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Huawei Technologies Co., Ltd.

Huawei Industrial Base

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UPS2000-G-(6 kVA-20 kVA)

User Manual

About This Document

Purpose

This document describes the UPS2000-G-(6 kVA–20 kVA) in terms of features, performance,

appearance, structure, working principle, installation, operation, and maintenance. UPS is

short for uninterruptible power system.

Intended Audience

This document is intended for:

 Sales Engineer

 Technical Support Engineer

 System Engineer

 Hardware Installation Engineer

 Commissioning Engineer

 Data Configuration Engineer

 Maintenance Engineer

Symbol Conventions

The symbols that may be found in this document are defined as follows.

Indicates an imminently hazardous situation which, if

not avoided, will result in death or serious injury.

Indicates a potentially hazardous situation which, if not

avoided, could result in death or serious injury.

Indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury.

Indicates a potentially hazardous situation which, if not

avoided, could result in equipment damage, data loss,

performance deterioration, or unanticipated results.

UPS2000-G-(6 kVA-20 kVA)

User Manual

NOTICE is used to address practices not related to

personal injury.

Calls attention to important information, best practices

and tips.

NOTE is used to address information not related to

personal injury, equipment damage, and environment

deterioration.

Change History

Changes between document issues are cumulative. The latest document issue contains all the

changes made in earlier issues.

Issue 13 (2019-05-05)

Updated the section «Operating Environment.»

Issue 12 (2018-01-16)

Added the description of device application scenarios.

Issue 11 (2017-11-27)

Updated the section «Operating Environment.»

Issue 10 (2017-01-19)

 Added the DHCP feature.

 Added an external dry contact card.

 The default value of Max. current parameter changed to 2.0 A.

Issue 09 (2016-10-10)

The software is upgraded.

Issue 08 (2016-01-06)

The software is upgraded.

Issue 07 (2015-03-30)

The alarm handling is upgraded.

Issue 06 (2014-10-09)

Added the shutdown delay parameter.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Issue 05 (2014-07-31)

Upgraded the Optional Components.

Issue 04 (2013-11-06)

Added the description of Checking Before Powering On the UPS.

Issue 03 (2013-08-24)

Added the description of the UPS2000-G-15 kVA/20 kVA three-phase input single-phase

output and single-phase input single-phase output.

Issue 02 (2013-06-10)

The software is upgraded.

Issue 01 (2013-05-15)

This is the first release.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Contents

About This Document …………………………………………………………………………………………………….. ii

1 Safety Precautions …………………………………………………………………………………………………………. 1

1.1 General Safety ………………………………………………………………………………………………………………………………………….. 1

1.2 Electrical Safety ………………………………………………………………………………………………………………………………………… 3

1.3 Operating Environment………………………………………………………………………………………………………………………………. 5

1.4 Battery Safety …………………………………………………………………………………………………………………………………………… 6

1.5 Mechanical Safety …………………………………………………………………………………………………………………………………….. 8

1.6 Laying Out Cables …………………………………………………………………………………………………………………………………….. 9

2 Quick Introduction ……………………………………………………………………………………………………… 10

2.1 Model Description …………………………………………………………………………………………………………………………………… 10

2.2 Working Principle ……………………………………………………………………………………………………………………………………. 11

2.2.1 Conceptual Diagram ……………………………………………………………………………………………………………………………… 11

2.2.2 Working Modes ……………………………………………………….……………………………………………………………………………. 11

2.3 Appearance …………………………………………………………………………………………………………………………………………….. 12

2.4 Optional Components ………………………………………………………………………………………………………………………………. 15

3 Installation…………………………………………………………………………………………………………………… 21

3.1 Preparations ……………………………………………………………………………………………………………………………………………. 21

3.1.1 Site ……………………………………………………………………………………………………………………………………………………… 21

3.1.2 Tools …………………………………………………………………………………………………………………………………………………… 23

3.1.3 Power Cables ……………………………………………………………………………………………………………………………………….. 24

3.1.4 Unpacking and Checking ……………………………………………………………………………………………………………………….. 28

3.2 Installation Procedure ………………………………………………………………………………………………………………………………. 29

3.3 Installing a Backfeed Protection Device ……………………………………………………………………………………………………… 29

3.3.1 Backfeed Protection Device Specifications ………………………………………………………………………………………………. 29

3.3.2 Feedback Prevention Connections (With Dry Contract Control) ………………………………………………………………….. 31

3.4 Check After Installation ……………………………………………………………………………………………………………………………. 34

4 Control Panel ………………………………………………………………………………………………………………. 36

4.1 Introduction ……………………………………………………………………………………………………………………………………………. 36

4.2 Indicators ……………………………………………………………………………………………………………………………………………….. 36

4.3 Functional Buttons …………………………………………………………………………………………………………………………………… 37

4.4 LCD ………………………………………………………………………………………………………………………………………………………. 38

UPS2000-G-(6 kVA-20 kVA)

User Manual

4.5 LCD Startup Screens ……………………………………………………………………………………………………………………………….. 38

4.5.1 Starting the UPS in Normal Mode ……………………………………………………….………………………………………………….. 40

4.5.2 Starting the UPS in Battery Mode …………………………………………………………………………………………………………… 41

4.6 LCD Menu Hierarchy ………………………………………………………………………………………………………………………………. 42

4.6.1 Status Screen ………………………………………………………………………………………………………………………………………… 44

4.6.2 Alarms Screen ………………………………………………………………………………………………………………………………………. 48

4.6.3 Settings Screen……………………………………………………………………………………………………………………………………… 50

4.6.4 Control Screen ……………………………………………………………………………………………………………………………………… 63

4.6.5 About Screen ………………………………………………………………………………………………………………………………………… 66

5 Operations …………………………………………………………………………………………………………………… 68

5.1 Checking Before Powering On the UPS ……………………………………………………………………………………………………… 68

5.2 Single UPS Operations …………………………………………………………………………………………………………………………….. 68

5.2.1 Starting the UPS……………………………………………………….…………………………………………………………………………… 68

5.2.2 Shutting down the UPS ………………………………………………………………………………………………………………………….. 71

5.2.3 Performing EPO ……………………………………………………………………………………………………………………………………. 71

5.3 Parallel System Operations ……………………………………………………………………………………………………………………….. 72

5.3.1 Starting the Parallel System ……………………………………………………………………………………………………………………. 73

5.3.2 Shutting down the Parallel System ………………………………………………………………………………………………………….. 76

5.3.3 Performing EPO ……………………………………………………………………………………………………………………………………. 77

6 Communications …………………………………………………………………………………………………………. 78

6.1 Optional Communications Components ……………………………………………………………………………………………………… 78

6.2 SNMP Card ………………………………………………………………………………………………………………..…………………………... 78

6.3 Modbus Card ………………………………………………………………………………………………………………………………………….. 79

6.4 Dry Contact Card …………………………………………………………………………………………………………………………………….. 79

6.5 External Dry Contact Card ……………………………………………………………………………………………………………………….. 79

7 Routine Maintenance ………………………………………………………………………………………………….. 80

7.1 UPS Maintenance ……………………………………………………………………………………………………………………………………. 80

7.2 Battery Maintenance ………………………………………………………………………………………………………………………………… 81

8 Troubleshooting ……………………………………………………….…………………………………………………. 86

9 Technical Specifications ……………………………………………………………………………………………… 88

9.1 Physical Specifications …………………………………………………………………………………………………………………………….. 88

9.2 Environmental Specifications ……………………………………………………………………………………………………………………. 88

9.3 Mains Input Electrical Specifications …………………………………………………………………………………………………………. 89

9.4 Bypass Input Electrical Specifications ………………………………………………………………………………………………………… 90

9.5 Output Electrical Specifications ………………………………………………………………………………………………………………... 90

9.6 Battery Specifications ………………………………………………………………………………………………………………………………. 91

9.7 ECO Feature …………………………………………………………………………………………………………………………………………… 99

9.8 Parallel Feature ……………………………………………………………………………………………………………………………………….. 99

9.9 Safety Regulations and EMC …………………………………………………………………………………………………………………….. 99

UPS2000-G-(6 kVA-20 kVA)

User Manual

A Parallel Parameter List ……………………………………………………………………………………………… 100

B LCD Menus and Parameters……………………………………………………………………………………… 101

C Alarm Handling ………………………………………………………………………………………………………… 111

D Alarm Handing of Battery Maintenance Notification ……………………………………………… 131

E Battery Shallow Discharge Test ………………………………………………………………………………… 133

F Capacity Test ……………………………………………………………………………………………………………… 136

G Acronyms and Abbreviations…………………………………………………………………………………… 139

UPS2000-G-(6 kVA-20 kVA)

User Manual

1 Safety Precautions

1.1 General Safety

This section describes safety precautions to consider before installing, maintaining, and

operating the UPS.

 To minimize the risk of personal injury and damage to equipment, read and follow all the

precautions in this document before performing any operation. The «DANGER»,

«WARNING», «CAUTION», and «NOTICE» statements in this document are only

supplemental and do not represent all the safety instructions.

 Only trained and qualified personnel are allowed to install, operate, and maintain Huawei

equipment.

Follow the precautions and special safety instructions provided by Huawei when operating

Huawei products. Huawei will not be liable for any consequences that are caused due to

violations regarding general safety regulations and equipment design, production, and usage

safety standards.

Declaration

Huawei does not take responsibilities for the following situations:

 Operation under severe environments that are not specified in this document.

 Installation or use in environments that are not specified in related international

standards.

 Unauthorized product changes and software code modification.

 Operations not complying with the operation instructions and safety precautions in this

document.

 Damage caused by extreme natural environments.

 Damage caused by using batteries provided by Huawei for non-Huawei UPSs.

 Damage caused by using batteries not provided by Huawei.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Power Grid Requirements

A standard UPS can connect to a three-phase, five-wire (L1, L2, L3, N, PE) TT, TN-C, TN-S,

and TN-C-S AC power distribution system (IEC60364-1).

Local Laws and Regulations

Equipment operations must comply with local laws and regulations. The safety instructions in

this document are only supplemental to local safety regulations.

Personal Requirements

Only Huawei engineers or engineers certified by Huawei are allowed to perform UPS

commissioning and maintenance. Otherwise, human injury or equipment damage may occur,

and any resulting UPS faults will be beyond warranty scope.

Personnel who plan to install or maintain Huawei equipment must receive thorough training,

understand all necessary safety precautions, and master the correct operation methods.

Trained and qualified personnel, or personnel certified or authorized by Huawei are:

 Allowed to install, operate, and maintain the equipment.

 Allowed to remove safety facilities and inspect the equipment.

 Allowed to replace or change the devices or components (including software).

 Operation personnel must report faults or errors that might cause serious safety issues to

related owners.

 This product should be installed and used according to the installation and technical,

specification requirements found in this manual. Otherwise, the product may be damaged,

and the resulting product exceptions or component damage will be beyond the warranty

scope.

Grounding Requirements

Devices to be grounded (excluding the energy storage unit) must meet the following

requirements:

 When installing a device, install the ground cable first. When removing a device, remove

the ground cable at the very end.

 Do not damage the ground conductor.

 Do not operate devices if the ground conductor is not installed. Before operating a device,

check the electrical connection of the device to ensure that it is securely grounded.

Personal Safety

 Do not operate the product, or handle cables, during thunderstorms.

 To avoid electric shocks, do not connect safety extra-low voltage (SELV) circuits to

telecommunication network voltage (TNV) circuits.

 Before operating a device, wear electrostatic discharge (ESD) clothes, ESD gloves, and

an ESD wrist strap. Remove any conductors (such as jewelry or watches) before the

operation to avoid electric shocks or burns.

UPS2000-G-(6 kVA-20 kVA)

User Manual

 In the case of fire, leave the building or the equipment room immediately, and turn on the

fire alarm bell or make an emergency call. Never enter the building on fire in any case.

 If the cabinet provides an ESD jack, wear an ESD wrist strap and insert the ground

terminal of the ESD wrist strap into the jack.

 Ensure all switches are turned to OFF during device installation.

 Power on the UPS only after authorized engineers arrive at the site.

 If a C2 UPS is used in residential areas, additional measures must be taken to prevent

radio frequency interferences.

 If the UPS is used for life-supporting medical apparatus and facilities such as lifts where

adequate care has to be taken to ensure personal safety, discuss with the manufacturer in

advance about the applicability, settings, management, and maintenance of the UPS,

which require special considerations during design.

Device Safety

 Before operation, ensure that the device is firmly anchored to the floor or other solid

objects, such as a wall or an installation rack.

 Ensure ventilation vents are unblocked while the system is operating.

 Before powering on the device, ensure that all the screws inside it are securely tightened

and will not fall off during operation.

 After the installation, remove packing materials from the equipment area.

 Replace danger signs that have worn out or are unreadable.

 A UPS can be used to serve resistive-capacitive loads, resistive loads, and

micro-inductive loads. It is recommended that a UPS not be used for pure capacitive

loads, pure inductive loads, and half-wave rectification loads. It does not apply to energy

feedback loads.

 Do not alter the UPS internal structure or installation procedure unless consent from the

manufacturer is given.

 Never use water to clean electrical components inside or outside the UPS.

 Do not drill holes into a cabinet.

1.2 Electrical Safety

High Voltage

 The high voltage power supply provides power for the device operation. Direct or indirect

contact with high voltage power sources may result in fatal injury.

 Non-standard or incorrect high voltage operations may result in fire and electric shocks.

 The personnel who install the AC facility must be qualified to perform high voltage and

AC operations.

 When selecting, connecting, and routing power cables, ensure compliance with local

laws and regulations.

UPS2000-G-(6 kVA-20 kVA)

User Manual

 When operating the AC power supply facility, ensure compliance with local laws and

regulations.

 Before connecting cables to the UPS, ensure that the input power and mains power

distribution switches and output power distribution switch are turned off.

 Use only dedicated tools during high voltage and AC operations.

 If the operation is performed in a damp environment, ensure that the device is dry. When

water is found in the rack or the rack is damp, switch off the power supply immediately.

High Leakage Current

 Ground a device before powering it on. Otherwise, personal injury or device damage may

occur.

 If a «high leakage current» tag is attached to the panel of the device, ground the protective

ground terminal on the device enclosure before connecting the AC power supply to

prevent electric shocks.

 The UPS can generate high leakage currents. Using a circuit breaker that has the leakage

current protection function is not recommended.

 The leakage current of the 6 kVA UPS is less than or equal to 100 mA. The leakage current

of the 10 kVA UPS is less than or equal to 200 mA. The leakage current of the 15 kVA or

20 kVA UPS is less than or equal to 500 mA.

 When selecting the earth leakage circuit breaker (ELCB), consider the leakage current of

the UPS and downstream loads.

Power Cable

Do not install or remove power cables when the device is on. Transient contact between the

core of the power cable and the conductor may generate electric arcs or sparks, which may

cause fire or damage eyesight.

 Before moving or reconnecting the UPS, disconnect the mains and batteries, open the

output power distribution switch, and wait a period of at least 5 minutes after the UPS

completely powers off. Otherwise, electric shocks may occur.

 Before installing or removing the power cable, open the power switch.

 Before connecting a power cable, check that its label is correct.

Fuse

If a fuse needs replacing, ensure the new fuse is of the same type and specifications so that the

system runs safely.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Electrostatic Discharge

Static electricity generated by human bodies may damage the electrostatic-sensitive

components on boards, for example, the large-scale integrated (LSI) circuits.

 Wear a pair of ESD gloves or a well-grounded ESD wrist strap when touching the device

or handling boards or application-specific integrated circuits (ASICs).

 When holding a board, hold its edge without touching any components, especially chips.

 Package boards with ESD packaging materials before storing or transporting them.

Figure 1-1 shows how to wear an ESD wrist strap.

Figure 1-1 Wearing an ESD wrist strap

Liquid Prevention

 Do not place the product under areas prone to water leakage, such as near air conditioner

vents, ventilation vents, or feeder windows of the equipment room. Ensure that there is

no condensation inside the product or equipment room. Ensure that no liquid enters the

product. Otherwise, short circuits will occur and may result in serious injury or death.

 If any liquid is detected inside the product, immediately disconnect the power supply and

contact the administrator.

1.3 Operating Environment

The UPS is used for commercial and industrial purposes only. It cannot be used as a power

supply for life support devices.

The TIER4 or TIER3 power supply architecture specified in TIA942, that is, dual power

supply routes, must be used in the power supply systems that are crucial to major economic

interests or order of public places, such as the national computing center, military command

system, emergency command center, railway signal system and control center, civil aviation

UPS2000-G-(6 kVA-20 kVA)

User Manual

air traffic control center, airport command center, financial clearing center, and transaction

center.

Ensure that the product is used in an environment that meets the product design specifications

(including power grid, temperature, and humidity) to avoid causing malfunctions, damaging

components, or voiding the warranty.

The UPS operating environment must meet the requirements for the climate indicator,

mechanically active substance indicator, and chemically active substance indicator in ETSI

EN 300 019-1 class 3.6.

 After unpacking the UPS, you are advised to power on the UPS as soon as possible. If you

temporarily do not use the UPS, take appropriate measures to prevent moisture, dust, and

foreign matter from entering the UPS.

 After unpacking batteries, you are advised to connect the battery supply as soon as

possible. If you temporarily do not use the batteries, store them in dry and clean

environments. If batteries are stored for more than 90 days, charge them in time.

Otherwise, the battery lifespan may be affected.

Do not place the device in an environment that has inflammable and explosive air or gas. Do

not perform any operation in this kind of environment.

If the valid mains voltage exceeds 320 V AC, the UPS may be damaged.

Any operation on any electrical device in an environment that has inflammable air can cause

extreme danger. Strictly obey the operating environmental requirements specified in related

use manuals when using or storing the device.

Do not place the UPS in the following environments:

 The environment that is close to flammable or explosive materials, dust, corrosive gases

or dust, conductive or magnetic dust, abnormal vibration, or collision.

 Rooms or outdoor environments where temperature and humidity are not controlled

(with high temperature, low temperature, moisture, direct sunlight, or heat sources).

 Non-confined environment near the ocean (0–3.7 km) and indoor or semi-indoor

environment where the temperature and humidity are not controllable, such as a simple

equipment room near the ocean, citizen house, garage, corridor, direct ventilation cabinet,

house with only the roof, railway station platform, gymnasium, aquarium, and so on.

 The environment that is conducive for the growth of microorganisms such as fungus or

mildew.

 The environment where rodents (such as mice) and insects exist.

1.4 Battery Safety

This section describes precautions for operating batteries.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Before operating batteries, carefully read the safety precautions to ensure correct battery

handling and connection is performed, and personal safety is managed.

 To ensure battery safety and efficient battery management, use the batteries delivered with

the UPS. Huawei shall not be responsible for battery damage caused by using non-Huawei

batteries for Huawei UPSs.

 Ensure lead-acid battery handling is in accordance with local regulations.

 Incorrect handling of batteries may cause hazards. When operating batteries, avoid

battery short circuits and electrolyte overflow or leakage.

 Electrolyte overflow may damage the device by corroding metal parts and circuit boards,

and ultimately damaging the circuit boards.

 Short circuits caused by incorrect operations may cause serious injuries due to high

power of batteries.

 Do not reversely connect positive and negative battery terminals.

 Use batteries of the specified type. Otherwise, the batteries may be damaged.

 Check battery connections periodically to ensure that all screws are securely tightened.

 Install or store batteries in clean, cool, and dry environments.

 Do not decompose, transform, or damage batteries. Otherwise, battery short circuit,

electrolyte leakage, and even personal injury may occur.

Preventative Measures

When installing and maintaining batteries, pay attention to the following points:

 Use dedicated insulated tools.

 Take measures to protect eyes, such as using eye protection devices.

 Avoid skin contact with electrolyte overflow. Wear rubber gloves and protective

clothing.

 When handling a battery, ensure that its electrodes always point upward. Do not tilt or

overturn batteries.

 Switch off the power supply during installation and maintenance.

Battery Short Circuit

Battery short circuits may cause personal injury. The high transient current generated by a

short circuit may release a surge of power and cause a fire.

To avoid battery short circuits, do not maintain batteries while they are in use.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Harmful Gas

Do not use unsealed lead-acid batteries. Lead-acid batteries emit flammable gas. Therefore,

place and secure lead-acid batteries horizontally to prevent fire or corrosion.

Store lead-acid batteries in a place with good ventilation, and take fire safety precautions.

Battery Temperature

High temperature may result in battery distortion, damage, and electrolyte overflow.

 Install or store batteries far away from fire sources and heating devices such as

transformers. Never burn batteries.

 If the battery temperature exceeds 60°C, check the battery for electrolyte overflow. If

electrolyte overflows, handle the leakage immediately.

Electrolyte Leakage

In the case of electrolyte leakage, counteract and absorb the leaking electrolyte immediately.

When moving or handling a battery whose electrolyte leaks, note that the leaking electrolyte

may harm human bodies. If the electrolyte leaks, use the following substances to counteract

and absorb the leaking electrolyte:

 Sodium bicarbonate (baking soda): NaHCO3

 Sodium carbonate (soda): Na2CO3

When using substances to counteract and absorb electrolytes, strictly follow the guidelines

provided by the battery manufacturer.

If any personnel are exposed to battery electrolyte, wash the exposed area with clean water

immediately and seek medical advice if the situation is serious.

1.5 Mechanical Safety

Moving Sharp Objects

UPS2000-G-(6 kVA-20 kVA)

User Manual

Wear protective gloves when moving sharp objects.

Moving Heavy Objects

 Perform operations in accordance with all instructional symbols on the device.

 Take caution to avoid injury when moving heavy objects.

 When moving or lifting a device, hold the handle or bottom of the device.

 Move the cabinet with caution. Any bumping or falling may damage the device.

Handling Fans

Do not insert fingers or boards into the operating fans until the fans are switched off, and have

stopped running.

1.6 Laying Out Cables

Binding Signal Cables

Signal cables must be bound separately from strong-current cables and high-voltage cables.

Laying Out Cables

When the temperature is low, a violent strike or vibrations may damage the cable sheathing.

To ensure cable safety, comply with the following requirements:

 Cables can be laid, or installed, only when the temperature is higher than 0°C (32°F).

Handle cables with caution, especially at lower temperatures.

 Before laying out cables that have been stored in temperatures lower than 0°C (32°F),

move the cables to an environment that is at the requisite ambient temperature. Store

them in this environment for at least 24 hours.

 Do not drop the cables directly from the vehicle.

 As the insulation layer of a cable may age, or be damaged from high temperatures,

ensure a sufficient distance between cables and the DC busbars, shunts, and fuses.

Cables prepared by the customer should be flame resistant. Cables must not be routed

behind the air exhaust vent of the cabinet. The air exhaust vent should not be blocked by

any object.

Before connecting a cable, ensure that the cable and cable label to be used meet the actual

installation requirements.

UPS2000-G-(6 kVA-20 kVA)

User Manual

2 Quick Introduction

2.1 Model Description

This document describes the following UPS models:

UPS2000-G-6 kVA

standard model

The two models are represented by

UPS2000-G-6 kVA in the description

of their common features and

parameters.

UPS2000-G-6 kVA

long backup time model

UPS2000-G-10 kVA

standard model

The two models are represented by

UPS2000-G-10 kVA in the

description of their common features

and parameters.

UPS2000-G-10 kVA

long backup time model

The UPS2000-G-15KRTL has only a

long backup time model.

The UPS2000-G-20KRTL has only a

long backup time model.

Figure 2-1 shows a UPS model number.

Figure 2-1 Model number

Table 2-1 describes the model number.

Table 2-1 Model number details

UPS2000-G-(6 kVA-20 kVA)

User Manual

6K: 6 kVA

10K: 10 kVA

15K: 15 kVA

20K: 20 kVA

RT: rack- and tower-mounted unit

RR: rack-mounted unit

TT: tower-mounted unit

TM: modular tower-mounted unit

RM: modular rack-mounted unit

Built-in battery

(optional)

S: standard model, which provides only a standard

battery pack.

L: long backup time model. You need to use an external

large-capacity battery pack.

2.2 Working Principle

2.2.1 Conceptual Diagram

Figure 2-2 shows the UPS conceptual diagram.

Figure 2-2 Conceptual diagram

2.2.2 Working Modes

The UPS has the following working modes:

 Normal mode

UPS2000-G-(6 kVA-20 kVA)

User Manual

When the mains is normal, the rectifier boosts the mains input voltage and converts the

AC power into stable DC power for the inverter, and the mains charges batteries over a

charger. Then the inverter converts the DC power into stable AC power, which is

supplied to loads.

 Battery mode

When the mains is abnormal or disconnected, the DC-DC step-up transformer boosts the

DC power supplied from batteries. Then the inverter converts the DC power into stable

AC power for powering loads.

 Bypass mode

The mains supplies power directly to loads after filtering. The UPS transfers to bypass

mode when overload, overtemperature, or faults occur. This mode does not provide

battery backup capability.

 Economy control operation (ECO) mode

If the bypass voltage and frequency are in the specified range, the UPS supplies power to

loads over the bypass. If the bypass voltage and frequency are outside the range, the UPS

transfers to normal or battery mode. ECO is short for economy control operation.

 The UPS2000-G-15 kVA/20 kVA supports battery ECO mode only in the case of two mains inputs.

In battery ECO mode, the bypass supplies power to the UPS, and batteries are used as backup power.

If the bypass is abnormal, the UPS transfers to battery mode.

 By default, ECO mode described in this document refers to mains ECO mode.

2.3 Appearance

Figure 2-3 shows the front and rear views of the UPS2000-G-6 kVA. Figure 2-4 shows the

front and rear views of the UPS2000-G-10 kVA. Figure 2-5 shows the front and rear views of

the UPS2000-G-15 kVA/20 kVA.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 2-3 Front and rear views of the UPS2000-G-6 kVA

(3) AC output

ports (pL and sL)

(6) Control area network

(CAN) communications ports

(MON1 and MON2)

(8) Battery

temperature

sensor port

(9) Universal

Serial Bus

(USB) port

(10) Emergency power-off

(EPO) port

(11) Maintenance

bypass port

(MBS)

(13) Input

circuit breaker

 The total load current supported by the two output sockets (C13) cannot exceed 10 A.

 The fuse used on the UPS2000-G-6 kVA meets the 250V—10A-IEC specifications.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 2-4 Front and rear views of the UPS2000-G-10 kVA

(3) AC output ports

(pL and sL)

(5) CAN communications

ports (MON1 and MON2)

(7) Battery

temperature sensor

port

(10) Maintenance

bypass port (MBS)

(11) Input circuit

breaker

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 2-5 Front and rear views of the UPS2000—G-15 kVA/20 kVA

(2) AC input ports

(mains and bypass)

(5) Maintenance

bypass port (MBS)

(7) CAN communications ports

(MON1 and MON2)

(9) Battery

temperature sensor

port

(11) AC output ports (pL and

sL)

2.4 Optional Components

Table 2-2 Optional components

UPS2000-G-(6 kVA-20 kVA)

User Manual

DB15M, CC8P0.48B(S),

DB15F

Connect UPSs in

parallel.

A parallel cable

is 1.5 meters

long.

Battery

temperature

sensor

Measures the ambient

temperature of the

external power module

and battery pack.

The temperature

ranges from

–40ºC to +80ºC.

The standard

cable is 2 meters

long. To increase

the length, install

a magnetic ring

at the sensor

plug.

Ambient

temperature

and

humidity

sensor

WS302M2A-5

ENR1DETA MODULE

Measures the UPS

ambient temperature

and humidity. The

ambient temperature

ranges from 0–50ºC.

The ambient humidity

ranges from to

0%–100% RH.

It is used

together with a

Simple Network

Management

Protocol (SNMP)

card.

Monitors the UPS and

the ambient

temperatures and

humidity (if required)

and allows for Ethernet

networking.

6 kVA

output

isolation

transformer

box

Provides isolation

solutions for customer

equipment. Compared

with the output

transformer on an

industrial frequency

UPS, the output

transformer box

provides isolation

functions even in

bypass mode. The

isolation transformer is

a 2:1:1

industrial-frequency

transformer. It converts

one 220 V output

voltage into two

isolated 110 V outputs.

The output

isolation

transformer box

is 6 kVA,

single-phase. It is

used for the

UPS2000-G-6

kVA.

10 kVA

output

isolation

transformer

box

The output

isolation

transformer box

is 10 kVA,

single-phase. It is

used for the

UPS2000-G-10

kVA.

Standard

battery pack

(7 Ah, 20

ESS-240V12-7AhBPVBA01

ESS-240V12-7AhBPVBA02

Each battery pack

consists of twenty 12 V,

7 Ah VRLA batteries

The

UPS2000-G-15

kVA/20 kVA

UPS2000-G-(6 kVA-20 kVA)

User Manual

connected in series. It is

a standard configuration

for the UPS2000-G-6

kVA. A maximum of

four battery packs are

connected in parallel.

uses at least two

battery packs.

Standard

battery pack

(9 Ah, 20

batteries)

ESS-240V12-9AhBPVBA01

ESS-240V12-9AhBPVBA02

Each battery pack

consists of twenty 12 V,

9 Ah VRLA batteries

connected in series. It is

a standard configuration

for the UPS2000-G-10

kVA. A maximum of

four battery packs are

connected in parallel.

Provides two cascaded

RJ45 ports to

implement networking

over the Modbus or

YDN-23 protocol.

Provides six alarm dry

contact outputs (normal

mode, battery mode,

bypass mode, low

battery voltage, bypass

backfeed, and UPS

faults) and two dry

contract control inputs

(one is the shutdown

signal input, and the

other is reserved).

External dry

contact card

Provides four dry

contact outputs (critical

alarm, minor alarm,

mains mode, battery

mode, bypass mode,

inverter on, battery

undervolt., bypass

backfeed, high ambient

tempreture, or UPS

fault.) and two dry

contract inputs (startup,

shutdown).

Used together

with an SNMP

card.

Consists of the

communication

interface module (CIM)

and battery interface

module (BIM). The

CIM is an intelligent

Used together

with an SNMP

card.

UPS2000-G-(6 kVA-20 kVA)

User Manual

battery management

module which collects

wireless communication

data of battery status

from the downstream

BIM groups, and

uploads data to the

SNMP card through the

COM port.

Power

distribution

unit (PDU)

(PDC-0038

V4ACIOA)

Controls and protects

input and output power,

increases output

sockets, and distributes

power for 1+1 parallel

systems, and

implements online

maintenance.

The PDU is

designed for a

1+1

UPS2000-G-15

kVA/20 kVA

parallel system

(three-phase

input three-phase

output).

 The PDU is

designed for a

1+1

UPS2000-G-

15 kVA/20

kVA parallel

system

(three-phase

input

single-phase

output and

single-phase

input

single-phase

output).

 It can also be

used in a

UPS2000-G-

6 kVA/10

kVA 1+1

parallel

system and

2+0 parallel

system.

DN85H, H38x22x15

(DMEGC)

E2F, 38x22x15 (FENGYI)

Optimizes the

performance of the

TN-C power

distribution system in

the parallel system

scenario.

In a

UPS2000-G-15

kVA/20 kVA

parallel system

using the TN-C

power

distribution

system, install

UPS2000-G-(6 kVA-20 kVA)

User Manual

four magnetic

rings on the PE

cables on each

UPS, bind the

four magnetic

rings together

using binding

tape, and secure

them to the

nearest place.

It is recommended that you install the battery temperature sensor (secured with an adhesive) on the

surface of batteries in the middle of the battery rack.

In a UPS2000-G-15 kVA/20 kVA parallel system using the TN-C power distribution system,

there are two scenarios for installing magnetic rings on the UPS mains input PE cables:

Figure 2-6 Installing magnetic rings (numbered 1) on branch PE cables

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 2-7 Installing a magnetic ring (numbered 1) on the general PE cable

Perform the following operations in a parallel system using the TN-C power distribution system:

 Short-circuit battery terminals N in the parallel system.

 It is recommended that you connect AC loads and battery packs only to the UPS PE terminal.

 If you have directly grounded AC loads and battery packs and connected them to the UPS PE

terminal, install magnetic rings 2 and 3 on the PE3, PE4, PE5, and PE6 ground cables. You need to

purchase magnetic rings 2 and 3.

 The recommended type for magnetic rings 1, 2, and 3 is DN85Hx4 or E2Fx4.

Table 2-3 Specifications of magnetic rings from three vendors

The magnetic conductivity of manganese and zinc magnetic rings is greater than 10,000, and the

recommended internal diameter of magnetic rings is greater than 10 mm (easy for wire coiling). The

number of coiling circles is 5 or greater.

UPS2000-G-(6 kVA-20 kVA)

User Manual

3 Installation

3.1 Preparations

3.1.1 Site

Floor Bearing

The floor can bear the weight of the UPS and its optional components. In the case of rack

installation, ensure that the floor can also bear the weight of the rack.

Environment

 Do not install the UPS in an environment outside the specifications.

 Keep the UPS far away from water, heat sources, and flammable and explosive

substances. Install the UPS in an environment free of dust, volatile gas, salt, and

corrosive materials. Avoid direct sunlight.

 Do not install the UPS in environments with conductive metal scraps in the air.

 The ideal operating temperature for batteries is 20–30ºC. Temperatures higher than 30ºC

shorten the battery lifespan and temperatures lower than 20ºC reduces the backup time.

UPS2000-G-(6 kVA-20 kVA)

User Manual

UPS2000-G-6 kVA/10 kVA Dimensions

Figure 3-1 UPS2000-G—6 kVA/10 kVA installation dimensions

UPS2000-G-15 kVA/20 kVA Dimensions

Figure 3-2 UPS2000-G—15 kVA/20 kVA installation dimensions

Clearances

UPS2000-G-(6 kVA-20 kVA)

User Manual

The distance between UPS air vents and the wall or obstacle is greater than or equal to 500

mm.

Reserve a clearance of at least 500 mm respectively from the front and rear panels of the UPS

to the wall or adjacent equipment to facilitate ventilation and heat dissipation, as shown in

Figure 3-3.

Figure 3-3 Reserved clearances

3.1.2 Tools

Get installation tools insulated to prevent electric shocks.

Table 3-1 lists the installation tools.

Table 3-1 Tools

Phillips

screwdriver (PH 2

x 150 mm or PH 3

x 250 mm)

UPS2000-G-(6 kVA-20 kVA)

User Manual

Flat-head

screwdriver (2 mm

x 80 mm)

Polyvinyl chloride

(PVC) insulation tape

3.1.3 Power Cables

UPS2000-G-(6 kVA-20 kVA)

User Manual

 In the case of three-phase input, install a three-phase disconnector. In the case of

single-phase input, you are advised to install a disconnector.

 When used to power IT system, the UPS (three-phase output) should provide 4-pole

disconnectors, and the UPS (single-phase output) should provide 2-pole disconnectors.

 The UPS is a large leakage current device. Do not configure a circuit breaker that has the

leakage current protection function. If you need leakage current protection function, use

the earth leakage circuit breaker recommended.

 The battery cable cannot be longer than 10 m.

 You can install linked circuit breakers for both the N wire and L wire. No independent

circuit breaker is allowed for only the N wire.

 For 15 kVA/20 kVA model, use AC ground cables that have a cross-sectional area of 25

mm2 and M6 OT terminals that are 90° bent and have a cross-sectional area of 25 mm2.

 For 15 kVA/20 kVA model, use battery ground cables that have a cross-sectional area of

16 mm2 and M6 OT terminals that are 90° bent and have a cross-sectional area of 16 mm2.

 For 6 kVA model, use ground cables that have a cross-sectional area of 6 mm2 and M4 OT

terminals and have a cross-sectional area of 6 mm2.

 For 10 kVA model, use ground cables that have a cross-sectional area of 10 mm2 and M6

OT terminals and have a cross-sectional area of 10 mm2.

Table 3-2 lists the recommended power cable specifications.

Table 3-2 Recommended power cable specifications

Torqu

e for

Tighte

ning

Bolts

220 V AC,

230 V AC,

or 240 V

50 A

(the

characte

ristics of

50 A

(the

characte

ristics of

220 V AC,

230 V AC,

or 240 V

63 A

(the

characte

ristics of

UPS2000-G-(6 kVA-20 kVA)

User Manual

Torqu

e for

Tighte

ning

Bolts

380 V AC,

400 V AC,

or 415 V

63 A

(the

characte

ristics of

220 V AC,

230 V AC,

or 240 V

63 A

(the

characte

ristics of

15 kVA

(single-pha

se input

single-phas

e output)

220 V AC,

230 V AC,

or 240 V

100 A

(the

characte

ristics of

16 mm2

M6 90°

terminal

220 V AC,

230 V AC,

or 240 V

100 A

(the

characte

ristics of

15 kVA

(three-phas

e input

single-phas

e output)

220 V AC,

230 V AC,

or 240 V

100 A

(the

characte

ristics of

380 V AC,

400 V AC,

or 415 V

50 A

(the

characte

ristics of

16 mm2

M6 90°

terminal

UPS2000-G-(6 kVA-20 kVA)

User Manual

Torqu

e for

Tighte

ning

Bolts

220 V AC,

230 V AC,

or 240 V

100 A

(the

characte

ristics of

15 kVA

(three-phas

e input

three-phase

output)

380 V AC,

400 V AC,

or 415 V

50 A

(the

characte

ristics of

16 mm2

M6 90°

terminal

380 V AC,

400 V AC,

or 415 V

50 A

(the

characte

ristics of

20 kVA

(single-pha

se input

single-phas

e output)

220 V AC,

230 V AC,

or 240 V

125 A

(the

characte

ristics of

16 mm2

M6 90°

terminal

220 V AC,

230 V AC,

or 240 V

125 A

(the

characte

ristics of

20 kVA

(three-phas

e input

single-phas

e output)

220 V AC,

230 V AC,

or 240 V

125 A

(the

characte

ristics of

380 V AC,

400 V AC,

or 415 V

63 A

(the

characte

ristics of

UPS2000-G-(6 kVA-20 kVA)

User Manual

Torqu

e for

Tighte

ning

Bolts

16 mm2

M6 90°

terminal

220 V AC,

230 V AC,

or 240 V

125 A

(the

characte

ristics of

20 kVA

(three-phas

e input

three-phase

output)

380 V AC,

400 V AC,

or 415 V

63 A

(the

characte

ristics of

16 mm2

M6 90°

terminal

380 V AC,

400 V AC,

or 415 V

63 A

(the

characte

ristics of

 If customers purchase input and output power cables by themselves, use the cables that comply with

standards proposed by Underwriters Laboratories (UL) or International Electrotechnical

Commission (IEC).

 Two-mains-input scenarios are not supported on the UPS2000-G-15 kVA/20 kVA (single-phase

input single-phase output).

3.1.4 Unpacking and Checking

Figure 3-4 shows the transportation safety requirements.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 3-4 Transportation safety requirements

 Only trained personnel are allowed to move the UPS.

 Do not move the UPS by holding its mounting ears, front panel, terminal cover, or

monitoring module.

 At least two persons are required to move the battery pack and transformer because they

are heavy. Exercise caution when moving them. Prevent the battery pack from falling over;

otherwise, fire accidents may occur. Remove rings, watches, and other metal objects when

you move the battery pack.

 To prevent shocks or falls, move the UPS gently. After placing the UPS in the installation

position, unpack it carefully to prevent scratches.

Procedure

Step 1 Visually inspect the UPS appearance for shipping damage. If any shipping damage is found,

report it to the carrier immediately.

Step 2 Move the UPS to the installation position.

Step 3 Unpack the case.

Step 4 Check the UPS packing.

1. Check the UPS bar code (which is at the rear panel of the UPS, near the air exhaust vent),

and ensure that it complies with the order.

2. If there is any discrepancy, contact your local Huawei office immediately.

—-End

3.2 Installation Procedure

UPS installation includes mechanical installation and cable connection. Installation modes

include tower installation and rack installation. You can select an installation mode based on

the site requirements.

3.3 Installing a Backfeed Protection Device

3.3.1 Backfeed Protection Device Specifications

UPS2000-G-(6 kVA-20 kVA)

User Manual

The UPS has no built-in backfeed protection device. You can install a backfeed protection

device on the input front side.

If you do no install a backfeed protection device on the input front side, attach a warning label

to the main power isolation device. The label reads like this: «This circuit supplies power to

the UPS. Before cable connection, disconnect the UPS, and check the voltage across wiring

terminals.»

When battery mode is unavailable or the mains fails, the UPS internal voltages or energy may

flow back directly, or through a leakage path, to an input terminal. To minimize the risk of

electric shocks, install a backfeed protection device on the input side.

Table 3-3 Rated voltages and currents for backfeed protection contactors

Rated Voltage and Current

Recommended

Contactor Models

(Schneider contactors)

 LC1-D50A for

single-phase input

 LC1-DT60A for

three-phase input

UPS2000-G-15KRTL

(three-phase input)

 LC1-D80 for

single-phase input

 LC1-DT60A for

three-phase input

UPS2000-G-20KRTL

(three-phase input)

UPS2000-G-15KRTL

(single-phase input)

UPS2000-G-20KRTL

(single-phase input)

Table 3-4 Control relay parameters

HF18FF/012 (HONGFA control relay)

Dry contact: NC

Breaking capability: 250 V AC, 5 A

Coil: 12 V rated voltage; rated current of

less than 1 A

MY2N-J DC12V (OMRON control relay)

HJ2-L-DC12V (Panasonic control relay)

UPS2000-G-(6 kVA-20 kVA)

User Manual

3.3.2 Feedback Prevention Connections (With Dry Contract

Control)

Figure 3-5, Figure 3-6, Figure 3-7 and Figure 3-8 show backfeed protection connections (with

dry contract control).

Figure 3-5 Bypass backfeed protection connections for the UPS2000—G-6 kVA/10 kVA/15

kVA/20 kVA (single-phase input single-phase output)

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 3-6 Bypass backfeed protection connections for the UPS2000—G-10 kVA (three—phase

input single-phase output)

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 3-7 Bypass backfeed protection connections for the UPS2000—G-15 kVA/20 kVA

(three-phase input three-phase output)

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 3-8 Bypass backfeed protection connections for the UPS2000—G-15 kVA/20 kVA

(three-phase input single-phase output)

3.4 Check After Installation

Table 3-5 lists the check items.

Table 3-5 Post—installation check items

Cable routing meets engineering requirements.

Input cables, output cables, and battery cables are

tightened to specified torques using a torque

wrench, connected correctly, and free of damage.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Cable connections for USB

ports and network ports

Cables to USB ports and network ports are

connected correctly and securely.

Labels are neatly attached to both ends of each

cable, and the information on the labels is

concise and understandable.

The ground cable is securely connected to the

equipment room ground bar. Measure the

resistance between the UPS ground cable and the

equipment room ground bar, which must be less

than 0.1 ohm.

Distances between cable ties

Distances between cable ties are the same, and no

burr exists.

Clean the conductive air and other sundries.

UPS2000-G-(6 kVA-20 kVA)

User Manual

4 Control Panel

4.1 Introduction

The control panel, located on the front panel of the UPS, controls UPS running, displays

running data, and allows you to set parameters and view alarms. Figure 4-1 shows the control

panel.

Figure 4-1 Control panel

(4) Fault

indicator/INFO button

(5) Startup/Enter/Battery

Self-Check/Mute button

4.2 Indicators

Table 4-1 describes the indicators on the control panel.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Table 4-1 Indicator description

The UPS is in normal mode.

The UPS is not in normal mode.

The UPS is in battery mode.

The UPS is not in battery mode.

The remaining battery capacity is less

than 25%.

The UPS is in bypass mode.

The UPS is not in bypass mode.

Fault indicator/INFO

button

The UPS generates an alarm.

The UPS is running properly.

The UPS is in ECO mode when the mains indicator and bypass indicator are both on.

4.3 Functional Buttons

The control panel provides five buttons to start and shut down the UPS and set parameters.

Table 4-2 describes the buttons.

Table 4-2 Button description

 On the default screen, press ESC for more than 5

seconds. Release the button when you hear a

beep sound. The inverter shuts down.

 On any other screen, press ESC to return to the

upper-level menu (the default screen is the

upper-level screen for the main menu screen).

Press ▲ or ▼ to scroll upward or downward.

You can set a value by using the list or step increase

or decrease.

Enter/Startup/Battery

Self-Check/Mute

 On the default screen in bypass mode, hold down

for more than 5 seconds. Release the

button when you hear a beep sound. The UPS

starts.

UPS2000-G-(6 kVA-20 kVA)

User Manual

 On the default screen, press . The main

menu is displayed.

 On any menu screen, press . The

lower-level menu is displayed. If the menu is the

last level, an information screen is displayed.

 On the default screen in normal mode, hold down

for more than 5 seconds. Release the

button when you hear a beep sound. The battery

test starts.

 When the buzzer buzzes, hold down for

2–5 seconds. The buzzer is muted when you

release the button.

Fault indicator/INFO

button

 When an alarm is generated, press i to view the

active alarm information.

 When no alarm is generated, press i to return to

the default screen.

 Battery self-check: After the UPS starts in normal mode, it transfers to battery mode for 10 seconds

to check that the battery status (if no battery is connected, No battery is displayed) and that the UPS

can transfer to battery mode. The purpose is to prevent power backup failure when the UPS needs to

transfer to battery mode.

 If you do not press any button within 60 seconds, the default screen is displayed.

4.4 LCD

The LCD displays the UPS running data and alarm information, and allows you to set

parameters and control operation. The backlight turns off if you do not press any button

within 30 seconds.

4.5 LCD Startup Screens

Table 4-3 Symbol conventions

Press B after you press A.

Indicates omitted screens.

UPS2000-G-(6 kVA-20 kVA)

User Manual

The symbol conventions apply to all chapters in this document.

 The LCD figures in this document correspond to V100R001C10SPC802. The LCD

updated without notice. If the LCD is updated, contact Huawei for the latest LCD figures.

 The screen in this document based on the UPS2000-G-15 kVA/20 kVA. The parameter

values in the menu pictures in this document are for reference only.

Figure 4-2 shows a startup screen.

Figure 4-2 Description of the startup screen

(1) Normal mode (The solid line indicates

normal mode. The dotted line indicates

non-normal mode.)

(2) Input voltage and frequency

(4) Output voltage, current, and frequency

(5) Bypass mode (The solid line indicates

bypass mode. The dotted line indicates

non-bypass mode.)

(6) Battery voltage and capacity displayed

during charge; Battery discharge time and

capacity displayed during discharge.

(7) Battery mode (The solid line indicates

battery in charge or discharge mode. The

dotted line indicates non-battery mode.)

Table 4-4 describes the icons on the screen.

Table 4-4 Icons on the screen

UPS2000-G-(6 kVA-20 kVA)

User Manual

Rectifier/Power

factor correction

(PFC) working

4.5.1 Starting the UPS in Normal Mode

Initial Startup

The settings wizard starts automatically when you start the UPS for the first time or when you

restart the UPS after restoring factory settings, as shown in Figure 4-3. The settings wizard

provides the Language, System Parameters, and Battery Parameters screens.

Figure 4-3 Settings wizard

After you complete the settings, press . The standby screen is displayed.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 4-4 Standby screen displayed after initial startup

Non-initial Startup

When the initialization is complete, the standby screen is displayed.

Figure 4-5 Standby screen displayed after non-initial startup

After the UPS starts, it enters normal mode.

Figure 4-6 Normal mode

Press . The main menu screen is displayed.

4.5.2 Starting the UPS in Battery Mode

Initial Startup

The settings wizard starts automatically when you start the UPS for the first time or when you

restart the UPS after restoring factory settings. The settings wizard provides the Language,

System Parameters, and Battery Parameters screens.

After you complete the settings, press . The standby screen is displayed.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 4-7 Standby screen displayed after initial startup

Non-initial Startup

When the initialization is complete, the standby screen is displayed.

Figure 4-8 Standby screen displayed after non-initial startup

After the UPS starts, it enters battery mode.

Figure 4-9 Battery mode

Press . The main menu screen is displayed.

4.6 LCD Menu Hierarchy

Figure 4—10 Main Menu screen

Figure 4-11 shows the LCD menu hierarchy.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 4—11 LCD menu hierarchy

UPS2000-G-(6 kVA-20 kVA)

User Manual

4.6.1 Status Screen

On the Main Menu screen, select Status, and press . The Status screen is displayed.

Mains Input Screen

Figure 4-12 shows the Mains Input screen.

Figure 4—12 Mains Input screen

 Van, Vbn, and Vcn parameters

Phase voltages displayed on the Mains Input screen (The parameter is Voltage in the

case of single-phase input.)

 Frequency parameter

Frequency displayed on the Mains Input screen.

 Vab, Vbc, and Vca parameters

Line voltages displayed on the Mains Input screen (The parameters are not displayed in

the case of single-phase input.)

Bypass Input Screen

Figure 4-13 shows the Bypass Input screen.

Figure 4—13 Bypass Input screen

 Van, Vbn, and Vcn parameters

Phase voltages displayed on the Bypass Input screen (The parameter is Voltage in the

case of single-phase input.)

 Frequency parameter

Frequency displayed on the Bypass Input screen.

Battery Status Screen

Figure 4-14 shows the Battery Status screen.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure 4—14 Battery Status screen

 Battery voltage parameter

Battery string voltage (positive and negative battery string voltages in the case of the

UPS2000-G-15 kVA/20 kVA)

 Battery current parameter

Battery string current (positive and negative battery string currents in the case of the

UPS2000-G-15 kVA/20 kVA). + is displayed during battery charge, and – is displayed

during battery discharge.

 Status parameter

The battery status is NA (battery not connected or reversely connected), Equalized

charging, Float charging, Hibernating, or Discharging.

 Capacity parameter

Remaining battery capacity

 Backup time parameter

Estimated backup time. The value is NA during battery charge.

Inverter Output Screen

Figure 4-15 shows the Inverter Output screen.

Figure 4—15 Inverter Output screen

 Van, Vbn, and Vcn parameters

Phase voltages displayed on the Inverter Output screen (The parameter is Voltage in

the case of single-phase input.)

 la, lb, and lc parameters

Phase currents displayed on the Inverter Output screen (The parameter is Current in

the case of single-phase input.)

 Frequency parameter

Frequency displayed on the Inverter Output screen.

UPS Output Screen

Figure 4-16 shows the UPS Output screen.

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Figure 4—16 UPS Output screen

 Van, Vbn, and Vcn parameters

Phase voltages displayed on the UPS Output screen (The parameter is Voltage in the

case of single-phase input.)

 la, lb, and lc parameters

Phase currents displayed on the UPS Output screen (The parameter is Current in the

case of single-phase input.)

 Frequency parameter

Frequency on displayed the UPS Output screen.

Local-UPS Load Screen

Figure 4-17 shows the Local-UPS Load screen.

Figure 4—17 Local—UPS Load screen

 Single UPS Running screen

A single UPS is running.

 Sout_A, Sout_ B, and Sout_C parameters

Phase A, B, and C apparent power displayed on the Local-UPS Load screen (The

parameter is Sout in the case of single-phase input.)

 Pout_A, Pout_ B, and Pout_C parameters

Phase A, B, and C active power displayed on the Local-UPS Load screen (The

parameter is Pout in the case of single-phase input.)

 Load ratio_A, Load ratio_B, and Load ratio_C parameters

Phase A, B, and C load ratio displayed on the Local-UPS Load screen (the parameter is

Load ratio in the case of single-phase input.)

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Parallel-System Load Screen

Figure 4-18 shows the Parallel-System Load screen.

Figure 4—18 Parallel—System Load screen

 N+X Parallel-System screen

A parallel system is running. X (value range: 0–3) indicates the number of redundant

UPSs (configurable on the LCD); N (value range: 1–4) indicates the number of requisite

UPSs (total number of UPSs minus X). The total number of UPSs is automatically

identified by the system.

 Sys. Sout_A, Sys. Sout_ B, and Sys. Sout_C parameters

System phase A, B, and C apparent power displayed on the Parallel-System Load

screen. The parameter is Sys. Sout in the case of single-phase input; the parameters are

not displayed in single UPS mode.

 Sys. Pout_A, Sys. Pout_ B, and Sys. Pout_C parameters

System phase A, B, and C active power displayed on the Parallel-System Load screen.

The parameter is Sys. Pout in the case of single-phase input; the parameters are not

displayed in single UPS mode.

 Sys. Load ratio_A, Sys. Load ratio_B, and Sys. Load ratio_C parameters

System phase A, B, and C load ratio displayed on the Parallel-System Load screen. The

parameter is Sys. Load ratio in the case of single-phase input, and the parameters are

not displayed in single UPS mode.

System information is not displayed in single UPS mode.

Environment Monitoring Screen

Figure 4-19 shows the Environment Monitoring screen.

Figure 4—19 Environment Monitoring screen

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 Ambient temp. parameter

Temperature detected by the ambient temperature and humidity sensor (used together

with an SNMP card; if the sensor is not connected, NA is displayed.)

 Ambient humidity parameter

Temperature and humidity sensor humidity (Install an SNMP card and a temperature and

humidity sensor; if they are not installed, NA is displayed.)

 Internal temp. parameter

Temperature in the UPS cabinet

Runtime Screen

Figure 4-20 shows the Runtime screen.

Figure 4—20 Runtime screen

 Inv. runtime parameter

Time during which the UPS runs in inverter output state

 BPS runtime parameter

UPS bypass running duration

4.6.2 Alarms Screen

On the Main Menu screen, select Alarms, and press . The Alarms screen is displayed.

When the buzzer buzzes, hold down for 2–5 seconds to mute it. The buzzer is muted when you

release the button. When the buzzer is mute, it can not be buzzes again, until a new alarm is generated.

Active Alarms Screen

The Active Alarms screen displays the active alarm information, such as the alarm serial

number, severity, ID, and name, as shown in Figure 4-21.

Figure 4—21 Active Alarms screen

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If an alarm is generated, press the INFO button on the default screen. On the Active Alarms screen,

view the active alarms.

Historical Alarms Screen

The Historical Alarms screen displays the historical alarm information, such as the alarm

serial number, severity, ID, and name, as shown in Figure 4-22.

Figure 4—22 Historical Alarms screen

Sort Alarms Screen

The Sort Alarms screen allows you to view alarms by occurrence time or severity, as shown

in Figure 4-23.

Figure 4—23 Sort Alarms screen

 Occurrence (latest first) parameter

Alarms are sorted by occurrence time. The latest alarms are listed first.

 Level (highest first) parameter

Active alarms are displayed by severity. The most critical alarms are listed first.

√ is displayed next to a selected Sort Alarms.

Clear Alarms Screen

Clear the alarms that you can clear manually, as shown in Figure 4-24.

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Figure 4—24 Clear Alarms screen

4.6.3 Settings Screen

On the Main Menu screen, select Settings, and press . The Settings login screen is

displayed. The preset password is 000001. After you enter a password, press . The

Settings screen is displayed, as shown in Figure 4-25.

Figure 4—25 Settings screen

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Basic Settings Screen

Figure 4—26 Basic Settings screen

 Language parameter

You can select Chinese, English (preset), Turkish, French, and Russian.

 Change Password parameter

You can change the password by choosing Settings > Basic Settings > Change

Password. The preset password is 000001. The password allows you to enter the

Settings screen.

 Change Feature Code parameter

You can change the feature code by choosing Settings > Basic Settings > Change

Feature Code. The preset feature code is 999999. The feature code is used to restore the

preset password.

Communication Card Screen

1. If an SNMP card is connected, set the following parameters:

Figure 4—27 SNMP card settings

− IP alloc. parameter

Specifies the DHCP address allocating mode. The options include Manual and

Automatic. The default value is Manual. After the allocating mode is set to

Automatic, an Allocating dialog box is displayed on the screen. If allocation

succeeds, the new IP address is displayed. If allocation fails, the IP address restores

to the default one: 192.168.0.10. If the allocating mode is set to Automatic, you can

only query the IP address but cannot set the IP address manually.

If the UPS monitor does not support the DHCP function, after the DHCP is selected for the SNMP card,

you cannot set the IP address of the SNMP card on the UPS monitor. You are advised to update the

version of the UPS monitor.

− IP address parameter

Set an IP address for the SNMP card. The value ranges from 1.0.0.0 to

223.255.255.255. The default value is 192.168.0.10.

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− Subn. mask parameter

Set a subnet mask for the SNMP card. The value ranges from 0.0.0.0 to

255.255.255.255. The default value is 255.255.255.0.

− Gateway parameter

Set a gateway address for the SNMP card. The value ranges from 1.0.0.0 to

223.255.255.255. The default value is 192.168.0.1.

2. If a Modbus card is connected, the following parameters are displayed:

Figure 4—28 Modbus card settings

− Comm. address parameter

Set a communications address for the Modbus card over the dual in-line package

(DIP) switch on the Modbus card. The value cannot be changed on the LCD.

− Baud rate parameter

Set a baud rate for the Modbus card over the DIP switch on the Modbus card. The

value cannot be changed on the LCD.

3. If a dry contact card is connected, set the following parameters:

Figure 4—29 Dry contact card settings

Multiple statuses can be associated with one dry contact, but one status cannot be associated with

multiple dry contacts.

− Normal mode parameter

Set the output dry contact associated with normal mode. When the UPS is in normal

or ECO mode, this dry contact is enabled. The value ranges from Dry contact1 to

Dry contact6. The default value is Dry contact1.

− Battery mode parameter

Set the output dry contact associated with battery mode. When the UPS is in battery

or ECO mode, this dry contact is enabled. The value ranges from Dry contact1 to

Dry contact6. The default value is Dry contact2.

− Bypass mode parameter

Set the output dry contact associated with bypass mode. When the UPS is in bypass

or ECO mode, this dry contact is enabled. The value ranges from Dry contact1 to

Dry contact6. The default value is Dry contact3.

− Batt. undervolt parameter

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Set the output dry contact associated with low battery voltages. When the system

battery voltage is low, this dry contact is enabled. The value ranges from Dry

contact1 to Dry contact6. The default value is Dry contact4.

− BPS backfeed parameter

Set the output dry contact associated with bypass backfeed. When a bypass

backfeed alarm is generated, this dry contact is enabled. The value ranges from Dry

contact1 to Dry contact6. The default value is Dry contact5.

− Faulty UPS parameter

Set the output dry contact associated with UPS faults. When a critical alarm is

generated, this dry contact is enabled. The value ranges from Dry contact1 to Dry

contact6. The default value is Dry contact6.

System Parameters Screen

 Parallel screen

Figure 4—30 Parallel screen

− Single/Parallel parameter

The values include Single and Parallel. The default value is Single. The parameter

is configurable after the inverter shuts down.

− Redundant UPSs parameter

Set the number of redundant UPSs. The value ranges from 0 to 3. The default value

is 0. The parameter is configurable after the inverter shuts down.

 Output screen

Figure 4—31 Output screen

The UPS supports 208 V output. In the case of 208 V output, the power is derated to 90%. For cable

configurations and connections, see the details about 220 V output.

− Output mode parameter

Set the system output mode. The value is not configurable on the UPS2000-G-6

kVA/10 kVA. The default value is Single-phase. The parameter is configurable on

the UPS2000-G-15 kVA/20 kVA. The values include Single-phase and

Three-phase. The default value is Three-phase. The input mode is identified

automatically by the system. The parameter is configurable after the inverter shuts

down.

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− Voltage level parameter

Set the system output voltage level. The values include 220 V (default), 230 V, and

240 V on the UPS2000-G-6 kVA/10 kVA. The values include 220 V (default), 230

V, and 240 V on the UPS2000-G-15 kVA/20 kVA (single-phase output). The values

include 380 V (default), 400 V, and 415 V on the UPS2000-G-15 kVA/20 kVA

(three-phase output). After you change the voltage level, the upper thresholds for

bypass voltages restore to default values 15%. The parameter is configurable after

the inverter shuts down.

− Frequency level parameter

Set the system output frequency level. The values include 50 Hz (default), 60 Hz,

and Automatic. If the value is Automatic, the power-on bypass frequency ranges

from 40 Hz to 55 Hz, and the system output frequency is 50 Hz; if the power-on

bypass frequency ranges from 55 Hz to 70 Hz (excluding 55 Hz), and the system

output frequency is 60 Hz. The parameter is configurable after the inverter shuts

down.

− Volt. adj. coef. parameter

You can adjust the inverter rated output voltage. The values include ±5%, ±4%,

±3%, ±2%, ±1%, and 0% (default). Press + or – to increase or decrease the output

voltage. The parameter is configurable after the inverter shuts down.

If you set Converter mode to Enabled, the UPS cannot transfer to bypass mode or

maintenance bypass mode. If you shut down the inverter, the loads power off.

− Converter mode parameter

Determine whether to enable inverter mode. The values include Disabled and

Enabled. The default value is Disabled. In converter mode, the output voltage and

frequency are fixed at the specified values. The parameter is configurable after the

inverter shuts down.

 Bypass screen

Figure 4—32 Bypass screen

− Max. voltage parameter

Upper threshold for the bypass voltage. If the difference between the bypass voltage

and the rated output voltage exceeds this value, the system determines that the

bypass voltage is abnormal and that the bypass is unavailable.

The Max. voltage parameter is associated with the system voltage level. The

default value is 15%.

If the voltage system is 220 V (380 V in the case of three-phase outputs), the values

include 10%, 15%, 20%, and 25%.

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If the voltage system is 230 V (400 V in the case of three-phase outputs), the values

include 10%, 15%, and 20%.

If the voltage system is 240 V (415 V in the case of three-phase outputs), the values

include 10% and 15%.

The parameter is configurable after the inverter shuts down.

− Min. voltage parameter

Lower threshold for the bypass voltage. If the difference between the bypass

voltage and the rated output voltage exceeds this value, the system determines that

the bypass voltage is abnormal and that the bypass is unavailable. The values

include 10%, 20% (default), 30%, 40%, 50%, and 60%. The parameter is

configurable after the inverter shuts down.

− Frequency range parameter

Bypass frequency range. When the difference between the bypass input frequency

and the rated frequency is greater than this value, the system determines that the

bypass frequency is abnormal and that the bypass is unavailable.

The frequency range must be greater than the ECO frequency range. The values

include ±0.5 Hz, ±1 Hz, ±2 Hz (default), ±3 Hz, ±4 Hz, ±5 Hz, and ±6 Hz. The

parameter is configurable after the inverter shuts down.

 ECO screen

Figure 4—33 ECO screen

You can use the ECO function only if power grid conditions are good and the voltage and frequency

fluctuation is within the specified ECO voltage and frequency range.

− Max. voltage parameter

Upper threshold for the ECO voltage. In ECO mode, when the difference between

the bypass voltage and the rated voltage is greater than this value, the system

determines that the ECO voltage is abnormal and transfers to normal mode. The

values include 5%, 6%, 7%, 8%, 9%, and 10% (default). The parameter is

configurable after the inverter shuts down.

− Min. voltage parameter

Lower threshold for the ECO voltage. In ECO mode, when the difference between

the bypass voltage and the rated voltage is greater than this value, the system

determines that the ECO voltage is abnormal and transfers to normal mode. The

values include 5%, 6%, 7%, 8%, 9%, and 10% (default). The parameter is

configurable after the inverter shuts down.

− Frequency range parameter

ECO frequency range. In ECO mode, when the difference between the bypass

frequency and the rated frequency is greater than this range, the system determines

that the ECO frequency is abnormal and transfers to normal mode.

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The frequency range must be less than the current bypass frequency range. The

values include ±0.5 Hz, ±1 Hz, ±2 Hz (default), and ±3 Hz. The parameter is

configurable after the inverter shuts down.

− Single UPS ECO parameter

Determine whether to support ECO mode on a single UPS (ECO mode is not

supported in a parallel system). The values include Disabled and Enabled. The

default value is Disabled. The parameter is configurable after the inverter shuts

down.

 Power Segment screen

Figure 4—34 Power Segment screen

 In single UPS mode, primary loads connect to sL, and secondary loads connect to pL.

 In single UPS mode, if power segment is enabled, pL is disconnected and sL continues with power

output when an overload occurs.

 In a parallel system, UPS AC output power cables connect to pL.

− Dis. time. thres. parameter

pL terminal loading time in battery mode when power segment (not supported in a

parallel system) is enabled. In battery mode, if the discharge time exceeds this value,

the UPS disconnects from secondary loads. The value ranges from 0 Min to 999

Min, in units of minutes. The default value is 30 Min. The parameter is configurable

in non-battery mode or non-battery ECO mode.

The UPS2000-G-15 kVA/20 kVA supports battery ECO mode only in the case of two mains inputs. In

battery ECO mode, the bypass supplies power to the UPS, and batteries are used as backup power. If the

bypass is abnormal, the UPS transfers to battery mode.

− Dis. volt. thres. parameter

Set the lower threshold for the battery voltage when pL loading is allowed in battery

mode when power segment (not supported in a parallel system) is enabled. In

battery mode, if the battery voltage is less than this value, the UPS disconnects from

secondary loads. The value ranges from 1.90 V/cell to 2.25 V/cell. The default

value is 2.00 V/cell. The parameter is configurable in non-battery mode or

non-battery ECO mode

− Power segment parameter

Determine whether to enable power segment in singe UPS mode (power segment is

not supported in a parallel system). The values include Disabled and Enabled. The

default value is Disabled. The parameter is configurable after the inverter shuts

down.

 Self-Load screen

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Figure 4—35 Self-Load screen

− Output power ratio parameter

This parameter is used during the tests before shipment. The value ranges from 20%

to 100%. The default value is 80%. The parameter is configurable after the inverter

shuts down.

− Self-load mode parameter

This parameter is used during the tests before shipment. The values include

Disabled and Enabled. The default value is Disabled. The parameter is

configurable after the inverter shuts down.

 Others screen

Figure 4—36 Others screen

− Recovery delay time parameter

Delay time that the UPS takes in transferring from battery mode to normal mode

when the mains recovers. The value ranges from 0S to 900S. The default value is

5S. The parameter is configurable after the inverter shuts down.

If Recovery delay time is set to 0S, the actual recovery delay time is 1 second.

− Max. BPS transfers parameter

Maximum number of bypass transfers within 30 minutes. The value ranges from 1

to 3. The default value is 3. When the number of bypass transfers exceeds the

maximum, the UPS keeps running is bypass mode (in ECO mode, the UPS keeps

running in normal mode). The parameter is configurable after the inverter shuts

down.

Do not set the UPS to ECO mode when the system output connects to an isolated transformer.

− Output transformer parameter

If an output transformer is connected, set the parameter to Enabled; otherwise, set

it to Disabled. The values include Disabled and Enabled. The default value is

Disabled. The parameter is configurable after the inverter shuts down.

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When you install a transformer on the output side, you must connect the load to the pL terminal and

disable power segment.

− Generator mode parameter

The values include Weak adaptability mode, Balance mode, and Strong

adaptability mode. The default value is Balance mode. When the mains input

voltage quality is good, select Weak adaptability mode; when the quality is

average (for example, the mains input is from a high-performance generator or a

common power grid), select Balance mode; when the quality is poor (for example,

the mains input is from a common generator), select Strong adaptability mode.

The parameter is configurable after the inverter shuts down.

− Auto check bus capa. parameter

Determine whether to automatically check the bus capacitance upon power-on and

generate capacitance failure warnings. The values include Disabled and Enabled.

The default value is Enabled. If the value is Enabled, UPS startup takes additional

30–180 seconds. The parameter is configurable after the inverter shuts down.

− Auto start parameter

Determine whether to automatically start inverter output after the UPS connects to

the mains. The values include Disabled and Enabled. The default value is Disabled.

The parameter is configurable after the inverter shuts down.

− No battery alarm

This parameter is set to Enabled by default. If it is set to Disabled, the No battery

alarm will not be reported. This parameter automatically changes to Enabled after

batteries are connected. It is configurable only when batteries are not connected.

If the batteries have been connected and you try to set this parameter, a message «Batteries have been

connected. This parameter cannot be set.» will be displayed.

Battery Parameters Screen

The configured number of batteries must match the actual number. When the actual number

changes, change the configured number. If the configured number is less than the actual

number, the battery lifespan is shortened. If the configured number is greater than the actual

number, battery leakage may cause a fire.

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 The UPS2000-G-6 kVA/10 kVA parallel system cannot shares a battery string.

 If a UPS2000-G-15 kVA/20 kVA parallel system shares a battery string, set the same

battery string capacity and charge current for each UPS.

 Battery capacity (Ah) = Capacity of a single battery string x Number of parallel battery

strings/Number of parallel UPSs sharing a battery string. Maximum charge current (Ah) =

0.1 x Capacity of a single battery string x Number of parallel battery strings/Number of

parallel UPSs sharing a battery string. If the calculated maximum charge current is greater

than 4 A, set it 4 A. Use two UPSs sharing a 65 Ah battery string as an example: If the

calculated battery capacity is 65 x 1/2 = 32.5, set it to 32 Ah; if the calculated maximum

current is 0.1 x 65 x 1/2 = 3.25, set it to 3.0 A.

 If a single 15 kVA/20 kVA UPS connects to two battery packs, the maximum charge

current must be less than or equal to 2.0 A.

 Basic screen

Figure 4—37 Basic screen

− Number of batteries/Positive batteries and Negative batteries parameters

Set the number of batteries. The value ranges from 16 to 20. The default value is 20.

When the number of batteries N is less than 20, the system output power is derated

to N/20 in battery mode. The parameter is configurable in non-battery mode or

non-battery ECO mode. You need to set Number of batteries on the UPS2000-G-6

kVA/10 kVA, and set two battery strings (positive and negative) on the

UPS2000-G-15 kVA/20 kVA.

− Battery capacity parameter

Set the battery string capacity. The value ranges from 7 Ah to 1000 Ah. For the

UPS2000-G-6 kVA, the default value is 7 Ah on a standard model and 40 Ah on a

long backup time model; for the UPS2000-G-10 kVA, the default value is 9 Ah on a

standard model and 65 Ah on a long backup time model; for the UPS2000-G-15

kVA/20 kVA, the default value is 65 Ah on a long backup time model. Battery

capacity is the sum of all battery capacities, set the parameters based on the actual

battery capacity. The parameter is configurable in non-battery mode or non-battery

ECO mode.

− Intelli. Hibernation

This parameter is set to disabled by default. When it is set to enabled, the intelligent

battery hibernation function is enabled. The parameter is configurable in any mode.

− Overtemp. thres. parameter

Set an alarm threshold for high battery temperatures. The value ranges from 45ºC to

55ºC. The default value is 50ºC. The parameter is configurable in any mode.

− Undertemp. thres. parameter

Set an alarm threshold for low battery temperatures. The value ranges from –30ºC

to +5ºC. The default value is –5ºC. The parameter is configurable in any mode.

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− Overcurrent thres. parameter

Set an alarm threshold for battery overcurrent. On a standard model, the value

ranges from 2.0 A to 4.0 A, and the default value is 3.0 A. On a long backup time

model, the value ranges from 4.0 A to 8.0 A, and the default value is 6.0 A. The

parameter is configurable in any mode.

 Equalized Charge screen

Figure 4—38 Equalized Charge screen

− Equalized charging parameter

Determine whether to enable equalized charging. The values include Disabled and

Enabled. The default value is Enabled. The parameter is configurable in any mode.

− Time interval parameter

Set the time interval for equalized charging. The value ranges from 30Day to

180Day. The default value is 60Day. The parameter is configurable in any mode.

− Voltage parameter

Set the battery equalized voltage. The value ranges from 2.33 V/cell to 2.40 V/cell.

The default value is 2.35 V/cell. The parameter is configurable in any mode.

− Max. current parameter

Set the maximum equalized current. On a standard model, the value ranges from 1.0

A to 2.0 A, and the default value is 2.0 A. On a long backup time model, the value

ranges from 1.0 A to 4.0 A, and the default value is 2.0 A. The parameter is

configurable in any mode.

− Max. time parameter

Set the maximum equalized charge time. The value ranges from 600Min to 999Min.

The default value is 960Min. The parameter is configurable in any mode.

 Float Charge screen

Figure 4—39 Float Charge screen

− Voltage parameter

Set the battery float voltage. The value ranges from 2.25 V/cell to 2.30 V/cell. The

default value is 2.25 V/cell. The parameter is configurable in any mode.

− Temp. comp. coef. parameter

Set a float voltage correction coefficient based on the battery temperature when a

battery temperature sensor is connected. The value ranges from 0.0 mV/°C*cell to

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6.0 mV/°C*cell. The default value is 3.3 mV/°C*cell. The parameter is configurable

in any mode.

 Discharge screen

Figure 4—40 Discharge screen

− Max. time parameter

Set the maximum discharge time. When the discharge time reaches the value, the

UPS powers off. The value ranges from 0Hour to 24Hour. The default value is

16Hour. If you set the value to 0Hour, the discharge time is not limited. The

parameter is configurable in non-battery mode or non-battery ECO mode.

 If you expect the battery discharge time to be greater than 24 hours, set Max. time to 0 hour.

Otherwise, the system may power off.

 If you set Max. time to 0 hour, the battery string may remain in the small-current discharge state

according to the proportion of the battery capacity to the load power, which affects the battery

lifecycle.

− EOD mode parameter

Determine the power backup time. The values include Backup time first (ensures

system running and has a long backup time, Table 4-5 shows the EOD setting

values), Batt. protect first (protects batteries and extends the battery lifespan,

Table 4-6 shows the EOD setting values), and Balanced mode (Table 4-7 shows the

EOD setting values). The default value is Backup time first. The parameter is

configurable in non-battery mode or non-battery ECO mode. EOD is short for end

of discharge.

Table 4-5 Backup time first EOD setting values

Low voltage

warning

threshold

(V/cell)

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Table 4-6 Batt. protect first EOD setting values

Low voltage

warning

threshold

(V/cell)

Table 4-7 Balanced mode EOD setting values

Low voltage

warning

threshold

(V/cell)

− EOD auto-start parameter

Determine whether to automatically start inverter output after the mains becomes

normal. The values include Disabled and Enabled. The default value is Enabled.

The parameter is configurable after the inverter shuts down.

− Shutdown delay parameter

When the delay time reaches the value after UPS transfers to battery mode, the UPS

powers off. The value ranges from 0S to 600S. The default value is 0S. The value

interval is 30S. For example, the value can be 0S, 30S, 60S, and 90S. If the delay

time is set to 0S, the shutdown delay function is disabled. If the delay time is set to

other values, ensure that backup time is greater than shutdown delay time.

Otherwise, the power supply to loads may be disconnected. The parameter is

configurable in non-battery mode or non-battery ECO mode.

Shutdown delay parameters are asynchronous in a parallel system. When used in a parallel system, set

the same shutdown delay parameter for different UPSs.

 Shallow Discharge screen

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Figure 4—41 Shallow Discharge screen

− Test notification parameter

Determine whether to periodically send shallow discharge test notifications. The

values include Disabled and Enabled. The default value is Disabled. If the value is

Enabled, the system sends shallow discharge test notifications. The parameter is

configurable in any mode.

− Time interval parameter

Set the time interval for shallow discharge tests. The value ranges from 30Day to

90Day. The default value is 60Day. The parameter is configurable in any mode.

− Discharge ratio parameter

Set the proportion of the discharge capacity to the total discharge capacity. The

value ranges from 10% to 50%. The default value is 20%. The parameter is

configurable in any mode.

Restoring Factory Settings

You can restore factory settings after the inverter shuts down.

4.6.4 Control Screen

On the Main Menu screen, select Control, and press . The Control screen is displayed.

Startup Menu

The Startup menu allows you to restart the inverter.

Figure 4—42 Startup screen

Shutdown Menu

The Shutdown menu allows you to shut down the inverter.

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Figure 4—43 Shutdown screen

Replace Batteries Menu

If the batteries have been replaced for the system, set this parameter. The parameter is

configurable in non-battery mode or non-battery ECO mode.

Figure 4—44 Replace Batteries screen

Maintain Batteries Menu

 Shallow Discharge Test menu

Figure 4—45 Shallow Discharge Test screen

 Capacity Test menu

After you completely discharge batteries, the load ratio must be in the range of

20%–80%.

 Stop Test menu

Figure 4—46 Stop Test screen

Stop the shallow discharge test or capacity test.

 Manual EC for Pos. menu

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Figure 4—47 Manual EC for Pos. screen

Perform equalized charging on batteries forcibly. For the 6 kVA and 10 kVA UPSs, perform

manual equalized charging. For the 15 kVA and 20 kVA UPSs, batteries in positive and

negative groups are manually switched to equalized charging respectively.

 Manual FC for Pos. menu

Figure 4—48 Manual FC for Pos. screen

Perform float charging on batteries forcibly. For the 6 kVA and 10 kVA UPSs, perform manual

float charging. For the 15 kVA and 20 kVA UPSs, batteries in positive and negative groups are

manually switched to float charging respectively.

Sync Paral. Param. Menu

The menu allows you to synchronize the parameters from one UPS to the other UPSs in the

parallel system. The UPS running in inverter output state cannot be synchronized.

Figure 4—49 Sync Paral. Param. screen

Resetting the Password

Enter a feature code to restore the preset password.

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Figure 4—50 Resetting the password

Control Buzzer

Control Buzzer control the buzzer on/off. If the buzzer on, click Control Buzzer transfer to

Buzzer off.

Figure 4—51 Buzzer off screen

If Control Buzzer is used for muting the alarm tone, the alarm tone should be unmuted by using Control

Buzzer or power on the UPS again. Otherwise, when a new alarm is generated, it cannot buzz again.

If the buzzer off, click Control Buzzer transfer to Buzzer on.

Figure 4—52 Buzzer on screen

4.6.5 About Screen

On the Main Menu screen, select About, and press . The About screen is displayed, as

shown in Figure 4-53.

You can view the UPS model, equipment serial number (ESN), and version number.

Figure 4—53 About screen

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MU1MSW1, PU1RSW1, PU1RSW2, PU1ISW1, and PU1ISW2 is the version for the component. When

the component does not exist, NA is displayed for Version. PU1ISW1 and PU1ISW2 are not available

for the UPS 6 kVA and UPS 10 kVA.

 Model parameter

The UPS model is 20K UPS.

 ESN parameter

This item provides the UPS ESN.

 Version parameter

This item provides the UPS version.

 MU1MSW1 parameter

This item provides the main monitoring software version.

 PU1RSW1 parameter

This item provides rectifier power software version.

 PU1RSW2 parameter

This item provides the rectifier logic software version.

 PU1ISW1 parameter

This item provides the inverter power software version.

 PU1ISW2 parameter

This item provides the inverter logic software version.

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5 Operations

5.1 Checking Before Powering On the UPS

 AC power cable colors comply with local electrical regulations.

 No short circuits occur in inputs and outputs.

 Cables are securely connected.

 Battery cables are correctly connected to battery terminals. The battery voltage meets the

requirements.

 Cables are properly connected between the UPS and batteries.

 Input circuit breakers and load circuit breakers are OFF.

 Power cables and signal cables are correctly identified.

 The input phase sequence is correct.

 Cables are neatly routed and securely bound.

 Devices are installed and cables are routed in ways that facilitate modification, capacity

expansion, and maintenance.

 Parallel cables are properly connected.

 The UPS is properly grounded.

 The voltage between the neutral wire and the ground cable is less than 5 V AC.

 The input voltage rang for the mains to start the UPS is 120–280 V AC (or 80–280 V AC

after the UPS powers on). The battery voltage range is (Number of batteries x 10. –280

V DC.

5.2 Single UPS Operations

5.2.1 Starting the UPS

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The configured number of batteries must match the actual number. When the actual number

changes, change the configured number. If the configured number is less than the actual

number, the battery lifespan is shortened. If the configured number is greater than the actual

number, battery leakage may cause a fire.

 If the system uses three-phase input three-phase output, set Output mode to Three-phase.

If the system uses three-phase input single-phase output or single-phase input single-phase

output, set Output mode to Single-phase.

 Set Voltage level and Frequency level based on the rated voltage and frequency. In the

case of single-phase output, set Voltage level to 220 V (default), 230 V, or 240 V; in the

case of three-phase output, set Voltage level to 380 V (default), 400 V, or 415 V.

 Battery parameters are configurable in non-battery mode or non-battery ECO mode.

 Set Positive batteries and Negative batteries. The value ranges from 16 to 20. The

default value is 20.

 Set Battery capacity to the total capacity of all batteries actually connected. The value

ranges from 7 Ah to 1000 Ah. The default value is 65 Ah.

This section describes how to start the UPS2000-G-15 kVA/20 kVA.

Figure 5-1 Connecting cables to the UPS2000-G-15 kVA/20 kVA (three-phase input three-phase

output, dual mains)

Starting the UPS in Normal Mode

Step 1 Close the external battery circuit breaker (if there is), or connect battery cables.

Step 2 Close the UPS mains input circuit breaker Km1 and bypass input circuit breaker Kb1.

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The initialization screen is displayed.

Perform Step 2 when there are two mains inputs. In the case of one mains input, you need only to close

the UPS mains input circuit breaker.

Step 3 The UPS enters bypass mode. The UPS sL delivers bypass voltages, and pL delivers no

voltage. When the initialization is complete, perform the following operations:

 Initial startup

On the Settings wizard screen, set the language (the preset language is English), system

parameters, and battery parameters. Press . The standby screen is displayed.

 Non-initial startup

When the initialization is complete, the standby screen is displayed. On the standby

screen, press to enter the main menu. Choose Main Menu > Settings > System

Parameters > Output to view output settings: if the system uses three-phase input

three-phase output, Output mode is set to Three-phase; if the system uses three-phase

input single-phase output or single-phase input single-phase output, Output mode is set

to Single-phase. Voltage level and Frequency level are set based on the rated voltage

and frequency. Press ESC to return to the standby screen.

Step 4 Start the UPS in normal mode by using one of the following methods:

 On the standby screen, hold down more than 5 seconds. Release the button when

you hear a beep sound. The startup screen is displayed. If the UPS starts successfully, it

enters normal mode.

 On the standby screen, hold down to enter the main menu. Select Startup in the

Control menu, and press . The Starting message is displayed. If the UPS starts

successfully, it enters normal mode.

The two methods in Step 4 are called «startup operations» in this section.

Step 5 When the UPS runs properly, close the UPS AC output circuit breaker Q1, and start the loads.

To prevent triggering overload protection, start the loads with higher power and then loads with lower

power.

—-End

Starting the UPS in Battery Mode

Step 1 Close the external battery circuit breaker (if there is), or connect battery cables.

Step 2 Press on the control panel.

The LCD starts. The initialization screen is displayed.

 Initial startup

When the initialization is complete, the Settings wizard screen is displayed. Set the

language (the preset language is English), system parameters, and battery parameters,

and press . The standby screen is displayed.

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 Non-initial startup

When the initialization is complete, the standby screen is displayed. On the standby

screen, press to enter the main menu. Choose Main Menu > Settings > System

Parameters > Output to view output settings: if the system uses three-phase input

three-phase output, Output mode is set to Three-phase; if the system uses three-phase

input single-phase output or single-phase input single-phase output, Output mode is set

to Single-phase. Voltage level and Frequency level are set based on the rated voltage

and frequency. Press ESC to return to the standby screen.

Step 3 Perform «startup operations» on the UPS. The UPS runs in battery mode.

Step 4 When the UPS runs properly, close the UPS AC output circuit breaker Q1, and start the loads.

To prevent triggering overload protection, start the loads with higher power and then loads with lower

power.

—-End

5.2.2 Shutting down the UPS

Shutting down the Inverter

To shut down the inverter, perform any of the following operations:

 On the default screen, hold down ESC for more than 5 seconds. Release the button when

you hear a beep sound. The inverter shuts down, and the UPS transfers to bypass mode.

 On the default screen, press to enter the main menu. Choose Shutdown to shut

down the inverter. The UPS transfers to bypass mode.

The two methods are called «shutdown operations» in this section.

Shutting down the UPS

Step 1 Shut down the loads.

Step 2 Perform «shutdown operations» on the UPS. The inverter shuts down. The UPS transfers to

bypass mode.

Step 3 Open the UPS mains input circuit breaker Km1, bypass input circuit breaker Kb1, and output

circuit breaker Q1.

Perform Step 3 when there are two mains inputs. In the case of one mains input, you need only to open

the UPS mains input circuit breaker.

Step 4 Open the external battery circuit breaker (if there is), or disconnect battery cables.

—-End

5.2.3 Performing EPO

Turn on the EPO switch (provided by the customer). The UPS enters the EPO state. That is,

the inverter shuts down, and the UPS will not transfer to bypass mode.

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Figure 5-2 shows the EPO cable connection on a single UPS.

Figure 5-2 EPO cable connection on a single UPS

 Connect an external switch to the EPO port on the UPS. After you turn on the switch, the inverter

shuts down, and the UPS will not transfer to bypass mode. Output terminals completely power off,

which meets the EPO purpose.

 The external EPO switch (switch or dry contact signals controlled by a switch) is provided by the

customer.

5.3 Parallel System Operations

This section describes operations on a UPS2000-G-15 kVA/20 kVA parallel system.

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Figure 5-3 Connecting cables to the UPS2000-G-15 kVA/20 kVA parallel system (three-phase

input three-phase output, dual mains) equipped with no PDU

5.3.1 Starting the Parallel System

The configured number of batteries must match the actual number. When the actual number

changes, change the configured number. If the configured number is less than the actual

number, the battery lifespan is shortened. If the configured number is greater than the actual

number, battery leakage may cause a fire.

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 If a parallel system shares a battery string, set the same battery string capacity and charge

current for each UPS.

 Before you start the parallel system, ensure that UPS output circuit breakers are both ON.

 Check that parallel parameters have been synchronized.

 In a 4+0 parallel system, the four parallel cables must be of the same length (1 meter or

longer), and connect to a remote junction box.

 In the parallel system that uses the TN-C power distribution system, install four magnetic

rings on the PE cable on each UPS, bind the four magnetic rings together using binding

tape, and secure them in the nearest place.

 Before starting a parallel system, ensure that all circuit breakers on the output side are OFF,

and do not start loads.

 To prevent triggering overload protection, start the loads with higher power and then loads

with lower power.

Starting the Parallel System in Normal Mode

Perform the following steps to start the parallel system for the system to work in normal

mode.

Step 1 Close the external battery circuit breakers (if there are), or connect battery cables.

Step 2 Close the following circuit breakers in sequence: UPS mains input circuit breakers Km1 and

Km2, general mains input circuit breaker Km, bypass input circuit breakers Kb1 and Kb2,

general bypass input circuit breaker Kb, and UPS AC output circuit breakers Q1 and Q2.

The initialization screen is displayed. The parallel system supplies no power.

 Perform Step 2 when there are two mains inputs. In the case of one mains input, you need only to

close the UPS mains input circuit breakers and general mains input circuit breaker.

 If a PDU is configured, close the following circuit breakers: general mains input circuit breaker,

general bypass input circuit breaker, mains input circuit breakers for all UPSs on the PDU, bypass

input circuit breakers, and output circuit breakers for all UPSs on the PDU. The initiation screen is

displayed.

Step 3 Perform the following operations on each UPS:

 Initial startup

a. Setting parameters on the Settings wizard screen

When the initialization is complete, the Settings wizard screen is displayed. Set the

language, system parameters, and battery parameters, and press . The standby

screen is displayed.

b. Settings for transferring from single mode (preset) to parallel mode

On the standby screen, press . Choose Main Menu > Settings > System

Parameters > Parallel > Single/Parallel to transfer from single mode to parallel

mode. Press ESC to return to the standby screen.

 Non-initial startup

When the initialization is complete, the standby screen is displayed. On the standby

screen, press to enter the main menu. Choose Main Menu > Settings > System

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Parameters > Output to view output settings: if the system uses three-phase input

three-phase output, Output mode is set to Three-phase; if the system uses three-phase

input single-phase output or single-phase input single-phase output, Output mode is set

to Single-phase. Voltage level and Frequency level are set based on the rated voltage

and frequency. Press ESC to return to the standby screen.

Step 4 Perform «startup operations» on each UPS in the parallel system.

The parallel system transfers to normal mode.

After you perform «startup operations» on UPS 1 to UPS n one by one, UPS 1 to UPS n are starting. If

you do not perform «startup operations» on the other UPSs in 5 minutes, UPS 1 to UPS n enter normal

mode, and the other UPSs supply no power.

Step 5 When the parallel system runs properly, close the general output circuit breaker Q (provided

by the customer) and then branch output circuit breakers (provided by the customer), and start

the loads.

—-End

Starting the Parallel System in Battery Mode

Step 1 Close the external battery circuit breakers (if there are), or connect battery cables.

Step 2 Close the AC output circuit breakers Q1 and Q2 for the parallel system.

Step 3 Press on each control panel.

The initialization screen is displayed on each LCD. On the standby screen, press to

enter the main menu. Choose Main Menu > Settings > System Parameters > Output to

view output settings: if the system uses three-phase input three-phase output, Output mode is

set to Three-phase; if the system uses three-phase input single-phase output or single-phase

input single-phase output, Output mode is set to Single-phase. Voltage level and Frequency

level are set based on the rated voltage and frequency. Press ESC to return to the standby

screen.

Step 4 Perform the following operations on each UPS:

 Initial startup

a. Setting parameters on the Settings wizard screen

When the initialization is complete, the Settings wizard screen is displayed. Set the

language, system parameters, and battery parameters, and press the standby

screen is displayed.

b. Settings for transferring from single mode (preset) to parallel mode

On the standby screen, press . Choose Main Menu > Settings > System

Parameters > Parallel > Single/Parallel to transfer from single mode to parallel

mode. Press ESC to return to the standby screen.

 Non-initial startup

When the initialization is complete, the standby screen is displayed.

Step 5 Perform «startup operations» on each UPS.

The parallel system transfers to battery mode.

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After you perform «startup operations» on UPS 1 to UPS n one by one, UPS 1 to UPS n are starting. If

you do not perform «startup operations» on the other UPSs in 5 minutes, UPS 1 to UPS n enter normal

mode, and the other UPSs supply no power.

Step 6 When the parallel system runs properly, close the general output circuit breaker Q (provided

by the customer) and then branch output circuit breakers (provided by the customer), and start

the loads.

—-End

5.3.2 Shutting down the Parallel System

Shutting down a Single UPS in the Parallel System

Step 1 Perform «shutdown operations» twice on a single UPS within 30 seconds (for example, UPS 1

shown in Figure 5-3) in the parallel system. The UPS is shutting down. The other UPSs

continue working.

The UPSs in the parallel system have shut down supply no power (the mains indicator, bypass indicator,

and battery indicator are Off).

Step 2 Open the UPS mains input circuit breaker Km1, bypass input circuit breaker Kb1, and the AC

output circuit breaker Q1. After all indicators turn off and fans stop, the UPS shuts down.

Step 3 Open the external battery circuit breaker (if there is), or disconnect battery cables. The UPS

exits the parallel system.

To merely shut down the UPS, perform Step 1 only.

—-End

Transferring the Parallel System to Bypass Mode

Perform «shutdown operations» on each UPS in the parallel system. All inverters shut down at

the same time, and the parallel system transfers to bypass mode.

Shutting down the Parallel System

Step 1 Shut down the loads.

Step 2 Perform «shutdown operations» on each UPS in the parallel system. All inverters shut down at

the same time. The parallel system transfers to bypass mode.

Step 3 Open the following circuit breakers in sequence for each UPS: UPS mains input circuit

breakers Km1 and Km2, general mains input circuit breaker Km, bypass input circuit breakers

Kb1 and Kb2, general bypass input circuit breaker Kb, UPS AC output circuit breakers Q1 and

Q2, and general AC output circuit breaker Q. After all indicators turn off and fans stop, the

UPSs shut down, and the loads power off.

Perform Step 3 when there are two mains inputs. In the case of one mains input, you need only to open

the following circuit breakers in sequence for each UPS: UPS mains input circuit breakers, general

mains input circuit breaker, UPS AC output circuit breakers, and general AC output circuit breaker.

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Step 4 Open the external battery circuit breaker for each UPS or the general battery circuit breaker

(when all UPSs share a battery string). If no external battery circuit breaker is configured,

disconnect battery cables from each UPS.

—-End

5.3.3 Performing EPO

Turn on the EPO switches (provided by the customer). The parallel system enters the EPO

state. That is, the inverters shut down, and the parallel system will not transfer to bypass

mode.

Figure 5-4 shows the EPO cable connection in a parallel system.

Figure 5-4 EPO cable connection in a parallel system

 Connect an external switch to the EPO port on the UPS. After you turn on the switch, the UPS stops

inverter output and does not transfer to bypass mode. Output terminals completely power off, which

meets the emergency power-off purpose.

 The external EPO switch (switch or dry contact signals controlled by a switch) is provided by the

customer.

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6 Communications

6.1 Optional Communications Components

The optional communications components include the SNMP card, Modbus card, and dry

contact card.

6.2 SNMP Card

The SNMP card is an optional monitoring component of the UPS. It provides Simple Network

Management Protocol (SNMP) agent and web management functions. The SNMP card allows

users to remotely manage the UPS by using a network management system (NMS), NetEco,

or a web browser on a computer network. A maximum of 16 SNMPv3 users and 1

SNMPv1&SNMPv2c user can manage the UPS. A maximum of 2 web users can manage the

UPS online.

The SNMP card has an exquisite, advanced, and unique design, and features high

performance and reliability. It has the following functions and features:

 Supports UPS2000-G series and implements parallel system management using only one

SNMP card.

 Adapts to the 10 Mbit/s, 100 Mbit/s fast Ethernet (FE) by using an IP address that is

configurable on the LCD.

 Supports SNMP, Hypertext Transfer Protocol Secure (HTTPS), and Secure Shell (SSH).

 Supports SNMP agent v1, v2c, and v3. The UPS MIB library can be downloaded from

its own web page, instead of any CD-ROM.

 Enables remote management on Windows or Linux using a web browser. The supported

web browsers include Internet Explorer 8, Internet Explorer 9, Internet Explorer 10,

Internet Explorer 11, and Firefox 33.1.

 Provides an access security mechanism, assigns rights to users based on roles, and

implements IP address control over HTTPS, SNMPv3, and SNMP access to prevent

unauthorized access.

 Provides comprehensive UPS management, such as producing a current diagram,

displaying alarms, controlling UPS running, collecting performance data statistics, as

well as allowing users to view, retrieve, and export historical alarms and operation logs.

 Supports optional components such as temperature and humidity modules, AI/DI Module,

iBAT 2.0, and external dry contact card.

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 Works with NetShutdown, a computer and server security shutdown program developed

by Huawei, to automatically shut down the computers and servers where NetShutdown is

installed to protect customer data and reduce loss.

 Works with RCCMD, a client shutdown software developed by Generex, to

automatically and safely shut down the client that is installed with the RCCMD, thereby

protecting customers’ data and preventing loss.

 Alarm information is sent to the specified user mailbox at the specified time.

6.3 Modbus Card

The RMS-MODBUS01A provides an RS485 networking solution to remotely manage the

UPS.

The card implements the following functions by setting the DIP switches:

 Selects the Modbus protocol by using a DIP switch over the RS485 communications

protocol.

 Uses a DIP switch to select a two-wire or four-wire system.

 Provides a DIP switch to select a build-out resistor.

 Provides a DIP switch for setting the optional card address.

 Supports hot swap.

6.4 Dry Contact Card

The RMS-RELAY01A is installed in an optional card slot and supports hot swap.

The dry contact card provides six alarm dry contact outputs (normal mode, battery mode,

bypass mode, low battery voltage, bypass backfeed, and UPS faults) and two dry contract

control inputs (one is the shutdown signal input, and the other is reserved).

6.5 External Dry Contact Card

The RMS-RELAY02B is connected to UPS together with SNMP card.

The external dry contact card provides four dry contact outputs (critical alarm, minor alarm,

mains mode, battery mode, bypass mode, inverter on, battery undervolt., bypass backfeed ,

high ambient tempreture, or UPS fault.) and two dry contract inputs (startup, shutdown).

The SNMP card, Modbus card, dry contact card, and external dry contact card are optional components

for communication. If these optional components are selected, their manuals are delivered with the

optional components.

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7 Routine Maintenance

7.1 UPS Maintenance

 Only trained personnel are allowed to perform maintenance. Before performing operations

on a device, wear electrostatic discharge (ESD) clothes, ESD gloves, and an ESD wrist

strap. Do not wear jewelry or watches during the operation to avoid electric shocks or

burns.

 Use insulated tools when maintaining internal devices. Only trained personnel are allowed

to perform maintenance.

 Maintain UPSs regularly based on the following requirements. Otherwise, the UPSs may

fail to operate properly and the lifespan may be shortened.

Table 7-1 Routine maintenance items for UPSs

 Ambient

temperature:

0–40°C

 Humidity:

0–95% RH

(non-condensing)

 If the humidity

and temperature

are abnormal,

check the air

conditioner

status.

 If the input

voltage is

abnormal, check

the power grid

status and input

cable connection.

Check that all units

are operating

properly by

observing the status

icons on the LCD,

If any alarm is

present, rectify the

fault by checking the

device status and

parameters.

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and no fault or alarm

information is

displayed in active

alarm or historical

alarms.

Wipe the UPS

surface using a

white paper and the

paper does not turn

black.

Clean the dust,

especially in the

front panel.

Check the output

voltage level and

frequency, the

number of batteries

and the actual

battery capacity.

Power cables and

terminals (between

the UPS and the

power distribution

cabinet)

The insulation layers

of cables are intact

and terminals are

free from noticeable

sparks.

 Replace the

cables.

 Secure the output

terminals.

Check the reliability

of the EPO cable

connection.

7.2 Battery Maintenance

Before installing batteries, read through the battery user manuals and pay attention to safety

precautions and connection methods provided by battery manufacture.

When installing and maintaining batteries, pay attention to the following points:

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 Wrap tools with insulation tape to prevent electric shock.

 Protect your eyes with relevant devices and apply other protective measures.

 Wear rubber gloves and a protective coat in case of electrolyte overflow.

 When moving batteries, avoid handling the battery upside down, handle batteries gently,

and pay attention to personal safety.

 Keep the battery switch off when installing or maintaining the batteries.

Precautions

 Before battery maintenance, get the tools, such as handles, insulated. Do not place metal

tools on exposed battery terminals.

 Never use any organic solvent to clean batteries.

 Never try to remove the safety valve or fill anything into batteries.

 Never smoke or use fire around batteries.

 After battery discharge, charge batteries to ensure a required battery capacity.

 Only professionals are allowed to perform maintenance tasks.

 If batteries have not been discharged for a long time, discharge and charge them in

equalized mode at least once every three months to activate them. Each charge should

last at least 4 hours.

 Normally, discharge and charge batteries once every four to six months. Each charge

should last at least 4 hours.

 In high-temperature areas, discharge and charge batteries once every two months. Each

charge should last at least 4 hours.

 Do not overdischarge batteries. After discharging batteries, fully charge them within 24

hours.

 Ensure that the battery discharge duration is 24 hours at most and 16 hours by default. If

you set the value to 0 hour, the discharge time is not limited.

Routine maintenance items for batteries

Table 7-2 Routine maintenance items for batteries

No battery alarm

is generated.

Identify the cause based

on the alarm information.

1. The surface is

clean and tidy

without stains.

2. The battery

terminals are

intact.

3. Batteries are

free from

damage and

cracks.

4. Batteries are

free from acid

leakage.

If the battery appearance

is abnormal, contact

Huawei technical support.

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5. Batteries are

not deformed

or bulged.

Battery

operating

temperatur

1. The ambient

battery

temperature is

25±5°C.

2. The battery

operating

temperature is

lower than

battery

temperature +

20°C.

3. Battery charge

and discharge

conditions

meet the

requirements

specified in the

battery

specifications.

1. Identify the cause of

the abnormal battery

operating temperature.

2. If the fault persists,

contact Huawei

technical support.

Charge

voltage of

battery

string

 Equalized

voltage 14.1 V

x Number of

batteries

(tolerance

±1%)

 Float voltage

13.5 V x

Number of

batteries

(tolerance

±1%)

1. If the voltage drop

between the battery

string output terminals

and the battery input

terminals at the UPS

side is greater than 1%

of the battery string

voltage, check whether

the cable between the

battery string and the

UPS is excessively

long, or the cable

diameter is excessively

small.

2. Check whether the

equalized charging

voltage and float

charging voltage are

correctly set for the

UPS.

3. If the fault persists,

contact Huawei

technical support.

Battery

temperatur

e sensor

measureme

nt accuracy

The difference

between the

temperature

measured by the

temperature sensor

and the

1. Install the temperature

sensor in the correct

position.

2. Replace the battery

temperature sensor.

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temperature

displayed on the

LCD is less than

3°C.

The settings of

battery

management

parameters meet

the requirements

in the user

manual.

Set parameters correctly.

Tightness

of bolts on

battery

terminals

The location of the

signs marked on

battery terminals

indicating tight

connections does

not change.

Take photos from

multiple angles and

contact Huawei technical

support.

No cable

deteriorates and

the insulation

layer does not

crack.

Replace the faulty cable.

 Equalized

charging

voltage: 14.1 V

± 0.1 V

 Float charging

voltage: 13.5 V

± 0.1 V

1. Check whether the

equalized charging

voltage and float

charging voltage of a

battery are normal.

2. If the charging voltage

of a battery exceeds

the specifications

requirement, perform a

complete forcible

equalized charging for

the battery, and check

again whether the

voltage is normal.

3. If the fault persists,

contact Huawei

technical support.

Shallow

discharge

test

(recommen

ded)

Conduct a shallow

discharge test

when the UPS is

backed up to

verify that the

batteries can

discharge

normally.

1. Locate the cause when

an exception is

identified.

2. If the fault persists,

contact Huawei

technical support.

When the UPS is

backed up,

1. Locate the cause when

an exception is

UPS2000-G-(6 kVA-20 kVA)

User Manual

discharge a battery

to the

undervoltage

alarm threshold, to

refresh the

capacity of the

battery.

identified.

2. If the fault persists,

contact Huawei

technical support.

Battery

connection

reliability

1. Each battery

terminal is

connected

reliably.

(When battery

strings are

powered off,

check the

reliability of

each terminal

in the order

from positive

terminals to

negative

terminals.)

2. The tightening

torque of each

battery screw

meets the

requirements

of the battery

manufacturer.

(A torque

wrench is used

for checking

the torque.

After checking

that the battery

screws meet

the

requirements,

mark the

screws for later

check.)

1. Rectify any abnormal

connection.

2. If the fault persists,

contact Huawei

technical support.

UPS2000-G-(6 kVA-20 kVA)

User Manual

8 Troubleshooting

When a UPS is faulty, alarm information is displayed on the LCD. Critical alarms must be

processed before the UPS is powered on again. Otherwise, the fault may be extended, or the

UPS may be damaged.

Table 8-1 Solutions to common faults

The mains switch is ON.

The LCD does not display

anything. The system

does not perform

self-tests.

The input power

supply is not

connected.

Check the input power cable

connection.

The input voltage

exceeds the limit.

Use a multimeter to check that the

UPS input voltage meets

specifications.

The mains is normal, but

the AC input indicator is

off. The UPS runs in

battery mode.

Turn on the mains switch.

The input power

cable is not

securely

connected.

Check the input power cable

connection.

The UPS does not report

faults, but has no output

voltage.

The output

power cable is

not securely

connected.

Check the output power cable

connection.

The UPS does not start

after you press .

is not

pressed long

enough.

Press for more than 5

seconds until you hear a beep

sound.

Disconnect all loads, and restart

the UPS.

UPS2000-G-(6 kVA-20 kVA)

User Manual

The Mains indicator is

off.

The mains

voltage or

frequency

exceeds the UPS

input range.

Use a multimeter to check that the

input voltage and frequency meet

specifications.

The battery discharge

time is much less than the

standard time.

Batteries are not

fully charged.

Charge batteries for more than 8

hours when the mains is normal.

Test the discharge time again.

The battery

performance

deteriorates.

Contact local Huawei technical

support to replace batteries.

Abnormal noises or smell

is generated in the UPS

cabinet.

Shut down the UPS immediately

and cut off the input power supply.

Contact local Huawei technical

support.

The battery indicator is

blinking yellow. The

buzzer buzzes 1 second

and then stops 1 second.

The battery capacity is

insufficient. The UPS is

shutting down.

 The

remaining

battery

capacity is

insufficient.

The UPS is

shutting

down, and the

loads are

powering off.

 Parameters

settings of

battery

number or

battery

capacity is

not correct.

 Save load data immediately and

power off critical loads.

 Connect UPS input terminals to

the backup AC power supply.

 Set parameters of battery

number and battery capacity

correctly.

 If you forget only the LCD

password (the preset password

is 000001), use the feature code

(the preset feature code is

999999) to activate the LCD

password.

 If you forget both the password

and the feature code, contact

local Huawei technical support.

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

9.1 Physical Specifications

Table 9-1 Physical specifications

9.2 Environmental Specifications

Table 9-2 Environmental specifications

0%–95% RH (non-condensing)

< 1000 meters

When the altitude is 1000–4000 meters, see IEC62040-3 to check

how the UPS power is derated. (The output power derating by 1%

for each additional 100 m.)

Storage and

transportation

temperature

–40°C to +70°C (battery pack: –20°C to +40°C)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

9.3 Mains Input Electrical Specifications

Table 9-3 Mains input electrical specifications

Single-phase

(L/N) input +

PE cable

 Single-phase

(L/N) input +

PE cable

 Three-phase

(L1/L2/L3/N)

input + PE

cable

 Single-phase

(L/N) input +

PE cable

 Three-phase

(L1/L2/L3/N)

input + PE

cable

 Single-phase

(L/N) input +

PE cable

 Three-phase

(L1/L2/L3/N)

input + PE

cable

220 V AC,

230 V AC, or

240 V AC

 220 V AC,

230 V AC, or

240 V AC

(single-phase

input)

 380 V AC,

400 V AC, or

415 V AC

(three-phase

input)

 220 V AC,

230 V AC, or

240 V AC

(single-phase

input)

 380 V AC,

400 V AC, or

415 V AC

(three-phase

input)

 220 V AC,

230 V AC, or

240 V AC

(single-phase

input)

 380 V AC,

400 V AC, or

415 V AC

(three-phase

input)

80–280 V AC

(When the

voltage is

80–176 V

AC, the load

power is

linearly

derated to

40%–100%.)

 80–280 V AC,

single-phase

(When the

voltage is

80–176 V AC,

the load power

is linearly

derated to

40%–100%.)

 138–485 V

AC,

three-phase

(When the

voltage is

138–305 V

AC, the load

power is

linearly

derated to

40%–100%.)

 80–280 V AC,

single-phase

(When the

voltage is

80–176 V AC,

the load power

is linearly

derated to

40%–100%.)

 138–485 V

AC,

three-phase

(When the

voltage is

138–305 V

AC, the load

power is

linearly

derated to

40%–100%.)

 80–280 V AC,

single-phase

(When the

voltage is

80–176 V AC,

the load power

is linearly

derated to

40%–100%.)

 138–485 V

AC,

three-phase

(When the

voltage is

138–305 V

AC, the load

power is

linearly

derated to

40%–100%.)

Input power

factor

(100%

resistive

load)

> 0.99

(single-phase

input)

> 0.95

(three-phase

input)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

Diesel

generator

input

capacity

Minimum 1.5 times the UPS rated capacity

9.4 Bypass Input Electrical Specifications

Table 9-4 Bypass input electrical specifications

 Upper threshold: 10%/15%/20%/25%@220 V AC

 Upper threshold: 10%/15%/20%@230 V AC

 Upper threshold: 10%/15%@240 V AC

 Lower threshold: 10%/20%/30%/40%/50%/60%

Bypass frequency

tolerance

Maximum ±6 Hz (configurable on the LCD)

Bypass overload

capability

 Load < 125%: continuous in bypass mode

 125% ≤ load < 150%: 1 minute in bypass mode

 Load ≥ 150%: 100 milliseconds in bypass mode

The input switch may trip in advance.

 One mains input

 Two mains inputs

The upper and lower thresholds are configurable on the LCD.

9.5 Output Electrical Specifications

Table 9-5 Output electrical specifications

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

220 V AC, 230 V AC, or 240 V

AC (single-phase output; select a

voltage system by setting a

voltage level on the LCD.)

220 V AC, 230 V AC, or 240 V

AC (single-phase output; select

a voltage system by setting a

voltage level on the LCD.)

380 V AC, 400 V AC, or 415 V

AC (three-phase output; select

a voltage system by setting a

voltage level on the LCD.)

Total harmonic

distortion of output

voltage (THDv)

Inverter overload

capability

 105% ≤ load < 125%: transfer to bypass mode after 5 minutes

 125% ≤ load < 150%: transfer to bypass mode after 1 minute

 Load ≥ 150%: transfer to bypass mode after 100 milliseconds

The UPS stops supplying power if the bypass is abnormal.

Dynamic voltage

tolerance

 ±1% (balanced load)

 ±3% (unbalanced load)

Average frequency

tracking rate

0.5–2 Hz/s (single UPS) or 0.5–1 Hz/s (parallel system)

Power segment

(only in single UPS

mode)

 If overloaded, the UPS disconnects from secondary loads and

checks whether it is still overloaded.

 In battery mode, the UPS disconnects from secondary loads if

the battery voltage is less than the specified value.

 In battery mode, the UPS disconnects from secondary loads if

the discharge time is more than the specified value.

9.6 Battery Specifications

Table 9-6 Battery specifications

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

16–20, each 12 V DC. If the

smaller value between the

numbers of batteries, N, is less

than 20, the battery power is

derated to N/20.

16–20, respectively in the positive

and negative battery strings. The

rated number is 20. If the smaller

value between the numbers of

batteries in the positive and

negative battery strings, N, is less

than 20, the battery power is

derated to N/20.

Battery string

sharing in a parallel

system

Depth of discharge

(DOD) protection

The discharge time is longer than 16 hours (can be set to 0–24

hours, 16 hours by default. If the time is set to 0 hours, battery

discharge protection is not implemented).

The single-battery voltage drops below 10.8 V in normal mode.

Standard-UPS

battery type

Standard-UPS

battery capacity

> 4 minutes (at full rated load), Figure 9-1, Figure 9-2, Figure 9-3,

and Figure 9-4 show the battery pack backup time.

Batter strings can be connected in parallel. If the user prepares

batteries, the maximum number of battery strings in parallel is

specified by the battery manufacturer. A maximum of four battery

strings are recommended.

Charger rated charge

current

 2 A (tolerance ±0.5) for standard models

 4 A (tolerance ±0.5) for long backup time models

 Batteries are charged to more than 90% in 3 hours for

UPS2000-G-6 kVA/10 kVA standard models.

 It depends on battery capacity for UPS2000-G-6 kVA/10 kVA

long backup time models and UPS2000-G-15 kVA/20 kVA.

Charger rated charge

voltage

Each cell has an equalized voltage of 2.35 V and a float voltage of

2.25 V. Both are configurable on the LCD.

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

 The parameters in Figure 9-1, Figure 9-2, Figure 9-3, and Figure 9-4 are provided based

on the new battery pack used first.

 The ESS-240V12-7AhBPVBA01 part number is 02310PFD.

 The ESS-240V12-9AhBPVBA01part number is 02310MWN.

Table 9-7 Backup time parameters for the ESS-240V12-7AhBPVBA01 battery pack (6 kVA,

battery efficiency assumed as 94%)

Three

Battery

packs

(min)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

Figure 9-1 Backup time parameters for the ESS-240V12—7AhBPVBA01 battery pack (6 kVA,

battery efficiency assumed as 94%)

Table 9-8 Backup time parameters for the ESS-240V12-9AhBPVBA01 battery pack (10 kVA,

battery efficiency assumed as 94%)

Three

Battery

packs

(min)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

Three

Battery

packs

(min)

Figure 9-2 Backup time parameters for the ESS-240V12—9AhBPVBA01 battery pack (10 kVA,

battery efficiency assumed as 94%)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

Table 9-9 Backup time parameters for the ESS-240V12-9AhBPVBA01 battery pack (15 kVA,

battery efficiency assumed as 94%)

Eight

Battery

packs

(min)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

Figure 9-3 Backup time parameters for the ESS-240V12—9AhBPVBA01 battery pack (15 kVA,

battery efficiency assumed as 94%)

Table 9-10 Backup time parameters for the ESS-240V12-9AhBPVBA01 battery pack (20 kVA,

battery efficiency assumed as 94%)

Eight

Battery

packs

(min)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

Eight

Battery

packs

(min)

Figure 9-4 Backup time parameters for the ESS-240V12—9AhBPVBA01 battery pack (20 kVA,

battery efficiency assumed as 94%)

UPS2000-G-(6 kVA-20 kVA)

User Manual

9 Technical Specifications

9.7 ECO Feature

Table 9-11 ECO feature

Default value: ±10% (configurable on the LCD)

The range is ±5% to 10%

Default value: ±2 Hz (configurable on the LCD)

The range is ±0.5 Hz to ±3 Hz

9.8 Parallel Feature

Table 9-12 Parallel feature

Number of UPSs in

parallel

The UPS2000-G-15 kVA/20 kVA (single-phase input single-phase output) supports 3+1 parallel systems

at most, instead of 4+0 parallel systems.

9.9 Safety Regulations and EMC

Table 9-13 Safety regulations and EMC

Electromagn

etic

compatibilit

Conducted radiation:

IEC/EN62040-2

Voltage change, fluctuations, and

flicker I ≤ 16 A,

IEC/EN61000-3-3; 16 A < I ≤ 75

A, IEC/EN61000-3-11

Harmonic interference: 16 A < I ≤

75 A, IEC/EN61000-3-12

Impact

current

(lightning

protection)

IEC/EN60240-2

IEC/EN61000-4-5

YD/T1095-2000 YD/T944-2007

The AC input side meets Level D

lightning protection (differential

mode and common mode: 5 kA and

8/20 µs).

UPS2000-G-(6 kVA-20 kVA)

User Manual

A Parallel Parameter List

Parallel system redundant

UPSs

Self-load output power ratio

You can set parameters on one UPS, and then synchronize the parameters to the other UPSs.

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

Battery

voltage/Batte

ry current

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

Single UPS

Running/N+

Parallel-Syst

Single UPS

Running/N+

Parallel-Syst

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

Occurrence

(latest first)

English, Chinese,

Turkish, French, and

Russian

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

Communicati

on address

(Modbus

Card)

Normal

mode (Dry

contact)

Battery mode

(Dry contact)

Bypass mode

(Dry contact)

Batt.

undervolt

(Dry contact)

BPS

backfeed

(Dry contact)

Parallel

(configurable

after the

inverter shuts

down)

Output

(configurable

after the

inverter shuts

down)

Output mode

(configurable

only on the

UPS2000-G-15

kVA/20 kVA)

Three-phase (on the

UPS2000-G-15 kVA/20

kVA)

 220 V, 230 V, and

240 V (on the

UPS2000-G-6

kVA/10 kVA)

 220 V (on the

UPS2000-G-6

kVA/10 kVA)

 220 V, single-phase

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

 220 V, 230 V, and

240 V, single-phase

(on the

UPS2000-G-15

kVA/20 kVA)

 380 V, 400 V, and

415 V, three-phase

(on the

UPS2000-G-15

kVA/20 kVA)

(on the

UPS2000-G-15

kVA/20 kVA)

 380 V, three-phase

(on the

UPS2000-G-15

kVA/20 kVA)

50 Hz, 60 Hz, and

Automatic

±5%, ±4%, ±3%, ±2%,

±1%, and 0%

Bypass

(configurable

after the

inverter shuts

down)

10%, 15%, 20%, 25%,

and 30%

10%, 20%, 30%, 40%,

50%, and 60%

±0.5 Hz, ±1 Hz, ±2 Hz,

±3 Hz, ±4 Hz, ±5 Hz, and

±6 Hz

ECO

(configurable

after the

inverter shuts

down)

5%, 6%, 7%, 8%, 9%,

and 10%

5%, 6%, 7%, 8%, 9%,

and 10%

±0.5 Hz, ±1 Hz, ±2 Hz,

and ±3 Hz

Dis. time thres.

(configurable

in non-battery

mode)

Dis. volt. thres.

(configurable

in non-battery

mode)

Power Segment

(configurable

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

after the

inverter shuts

down)

Self-Load

(configurable

after the

inverter shuts

down)

Others

(configurable

after the

inverter shuts

down)

Weak adaptability mode,

Balanced mode, and

Strong adaptability mode

No battery

alarm

(configurable

only when

batteries are not

connected)

Batteries

/Positive

batteries/Negati

ve batteries

(configurable

in non-battery

mode)

Battery

capacity

(configurable

in non-battery

mode)

 For the UPS2000-G-6

kVA, the default

value is 7 Ah on a

standard model and 40

Ah on a long backup

time model.

 For the

UPS2000-G-10 kVA,

the default value is 9

Ah on a standard

model and 65 Ah on a

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

long backup time

model.

 For the

UPS2000-G-15

kVA/20 kVA, the

default value is 65 Ah

on a long backup time

model.

 2.0–4.0 A (standard

model)

 4.0–8.0 A (long

backup time model)

 3.0 A (standard

model)

 6.0 A (long backup

time model)

 1.0–2.0 A (standard

model)

 1.0–4.0 A (long

backup time model)

Max. time

(configurable

in non-battery

mode)

EOD mode

(configurable

in non-battery

mode)

Batt. protect first, Backup

time first, and Balanced

mode

EOD auto-start

(configurable

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

after the

inverter shuts

down)

Settings

wizard

(configur

able after

the

inverter

shuts

down)

English, Chinese,

Spanish, French, and

Russian

 220 V, 230 V, and

240 V (on the

UPS2000-G-6

kVA/10 kVA)

 220 V, 230 V, and

240 V, single-phase

(on the

UPS2000-G-15

kVA/20 kVA)

 380 V, 400 V, and

415 V, three-phase

(on the

UPS2000-G-15

kVA/20 kVA)

 220 V (on the

UPS2000-G-6

kVA/10 kVA)

 220 V, single-phase

(on the

UPS2000-G-15

kVA/20 kVA)

 380 V, three-phase

(on the

UPS2000-G-15

kVA/20 kVA)

50 Hz, 60 Hz, and

Automatic

Output mode

(configurable

only on the

UPS2000-G-15

kVA/20 kVA)

Single-phase and

Three-phase

Three-phase (on the

UPS2000-G-15 kVA/20

kVA)

Batteries

/Positive

batteries/Negati

ve batteries

 For the UPS2000-G-6

kVA, the default

value is 7 Ah on a

standard model and 40

Ah on a long backup

time model.

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

 For the

UPS2000-G-10 kVA,

the default value is 9

Ah on a standard

model and 65 Ah on a

long backup time

model.

 For the

UPS2000-G-15

kVA/20 kVA, the

default value is 65 Ah

on a long backup time

model.

Restore

Default

Settings

(configur

able after

the

inverter

shuts

down)

Manual

Equalized

Charging/Ma

nual EC for

Pos.

/ManualEC

for Pos.

Manual Float

Charging/Ma

nual FC for

Neg.

UPS2000-G-(6 kVA-20 kVA)

User Manual

B LCD Menus and Parameters

 The bypass frequency range is associated with the ECO frequency range (the bypass frequency

range is ±0.5 Hz, ±1 Hz, ±2 Hz, ±3 Hz, ±4 Hz, ±5 Hz, or ±6 Hz; the ECO frequency range is ±0.5

Hz, ±1 Hz, ±2 Hz, or ±3 Hz).

The bypass frequency range must be greater than or equal to the current ECO frequency range (if the

ECO frequency range is ±3 Hz, the bypass frequency range is ±3 Hz, ±4 Hz, ±5 Hz, or ±6 Hz).

The ECO frequency range must be less than or equal to the current bypass frequency range (if the

bypass frequency range is ±1 Hz, the ECO frequency range is ±0.5 Hz or ±1 Hz).

 The voltage level is associated with the upper threshold for bypass voltages (10%, 15%, 20%, 25%,

or 30%).

If the voltage level is 220 V (line voltage: 380 V), the upper threshold for bypass voltages is 10%,

15% (default), 20%, or 25%.

If the voltage level is 230 V (line voltage: 400 V), the upper threshold for bypass voltages is 10%,

15% (default), or 20%.

If the voltage level is 240 V (line voltage: 415 V), the upper threshold for bypass voltages is 10% or

15% (default).

UPS2000-G-(6 kVA-20 kVA)

User Manual

C Alarm Handling

Alarm

(Alarm

ID-Alar

Cause)

 The UPS transfers to

battery mode.

 If no battery is

equipped, the UPS

shuts down.

Possible causes:

 The mains voltage exceeds

280 V.

 The mains voltage is less than

80 V.

 The mains frequency is not in

the range of 40 Hz to 70 Hz.

Measures:

 Check whether the mains

input voltage is less than 272

V. If not, wait until the mains

recovers.

 Check whether the mains

input voltage is greater than

88 V. If not, wait until the

mains recovers.

 Check the mains input

frequency. If the mains input

frequency is abnormal, wait

until the mains input recovers.

 The rectifier transfers

to battery mode,

without affecting the

power supply.

 If no batteries are

installed, the UPS shuts

down.

 The UPS may transfer

Possible cause: The mains input

three-phase sequence is incorrect.

Measure: Check that mains input

power cables are correctly

connected.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

to another working

mode or shut down.

 The UPS transfers to

battery mode.

 If no battery is

equipped, the UPS

shuts down.

 The UPS changes the

working mode or shuts

down.

Possible cause: The mains input

neutral wire is not connected.

Measure: Check that mains input

power cables are correctly

connected.

Manual

clear/Po

wer-off

clear/Aut

omatic

clear

The UPS does not transfer

back to normal mode even

when the mains is normal.

Possible cause: The mains

voltage fluctuates frequently. The

UPS has transferred from normal

mode to battery mode within 2

minutes for 10 consecutive times.

The rectifier locks out in battery

mode.

Measure: Check the mains.

Manual

clear/Po

wer-off

clear

Possible cause: The mains

voltage frequently becomes

abnormal during startup.

Measure: Check the mains input

voltage. If the voltage becomes

normal, clear the alarm and

restart the UPS.

The UPS cannot transfer to

bypass mode. If the bypass

is supplying power, the

UPS changes the working

mode.

Possible causes:

 The bypass input voltage is

abnormal.

 The bypass input frequency is

abnormal.

Measures:

 Check whether the bypass

input voltage exceeds the

configured range. If yes,

change the range or wait until

the bypass input recovers.

 Check whether the bypass

input frequency exceeds the

configured range. If yes,

change the range or wait until

the bypass input recovers.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

 If the inverter has not

started, the system has

no output, and inverter

startup is prohibited.

 If the inverter has

started, the inverter still

works properly, but the

system cannot transfer

to bypass mode.

Possible cause: The bypass input

three-phase sequence is incorrect.

Measure: Check that bypass input

power cables are correctly

connected.

If the inverter has not

started, the system has no

output, and inverter startup

is prohibited.

If the inverter has started,

the inverter still works

properly, but the system

cannot transfer to bypass

mode.

Possible cause: The bypass input

neutral wire is not connected.

Measures: Check that bypass

input power cables are correctly

connected.

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Possible causes:

 The bypass load exceeds the

rated inverter load.

 An internal fault occurs in the

UPS.

Measures:

 Reduce the output load,

manually clear the alarm, and

restart the UPS.

 Contact Huawei technical

support for repair.

The power supply from the

UPS and system is not

affected.

Possible cause: Batteries are

reversely connected.

Measure: Check the battery

installation, and reinstall the

batteries.

The power supply from the

UPS and system is not

affected.

Possible causes:

 Batteries are not connected.

 Batteries are not securely

connected.

Measures:

 Connect batteries.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

 Check that batteries are

securely connected.

An alarm is generated, and

the battery lifespan is

affected.

Possible causes:

 The ambient temperature

exceeds the battery high

temperature alarm threshold

(default value: 50ºC)

 The battery charge/discharge

current exceeds the upper

threshold.

Measures:

 Install more cooling

equipment such as air

conditioners.

 Control the battery

charge/discharge current by

reducing loads.

An alarm is generated, and

the battery lifespan is

affected.

Possible causes:

 The configured number of

batteries is less than the actual

number.

 The battery string charge

voltage exceeds the upper

threshold.

Measures:

 Check battery parameter

settings.

 Disconnected the external

battery charger, check

whether the alarm is cleared.

If not, contact Huawei

technical support for repair.

An alarm is generated, and

the system may shut down

due to EOD.

Possible cause: The mains input

is abnormal. Battery discharge

results in a low battery voltage.

Measure: If possible, connect to

the mains power when the UPS is

in non-battery test state.

An alarm is generated, and

the battery lifespan is

affected.

Possible causes: The charger is

abnormal.

Measure: Contact Huawei

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

technical support for repair.

Possible causes:

 The mains input power cables

are incorrectly connected.

 The mains input circuit

breaker is OFF.

Measure: Check whether mains

input power cables are correctly

connected. If yes, switch on the

mains input circuit breaker.

Possible causes:

 The bypass is short-circuited

or the bypass input

experiences overcurrent.

 The bypass input circuit

breaker is OFF.

Measures:

 Check whether the bypass

output load is short-circuited

using a multimeter.

 Check whether cable

connections are correct. If

yes, switch on the bypass

input circuit breaker.

Possible causes:

 The bypass is short-circuited

or the bypass input

experiences overcurrent.

 The bypass input circuit

breaker is OFF.

Measures:

 Check whether the circuit

breaker downstream load is

short-circuited using a

multimeter.

 Check whether cable

connections are correct. If

yes, switch on the output

circuit breaker.

The battery backup time is

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

 The battery capacity is

incorrectly set.

 The battery loop cannot be

discharged.

 The battery capacity is low.

Measures:

 Check whether the configured

battery capacity matches the

connected battery capacity.

 Check battery connections

and the status of each battery.

 Contact Huawei technical

support for repair.

The power supply from the

UPS and system is not

affected.

Possible causes:

 The ambient temperature

exceeds 40°C.

 The air channel is blocked.

 The fan is abnormal.

Measures:

 Decrease the ambient

temperature.

 Keep the air intake and

exhaust vents of the UPS

unobstructed.

 Clean off the foreign objects

around the fan. If the alarm

persists, contact Huawei

technical support for repair.

An alarm is generated, and

the battery lifespan is

affected.

Possible causes:

 The configured number of

batteries is less than the actual

number.

 The actual number of batteries

does not meet specifications.

 The charger is abnormal.

Measures:

 Check that the configured

number of batteries matches

the actual number.

 Check that the actual number

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

of batteries meets

requirements.

 Disconnected the external

battery charger, check

whether the alarm is cleared.

If not, contact Huawei

technical support for repair.

If no action is taken,

continued discharge will

result in system shutdown

due to EOD.

Possible cause:

 The battery discharge lasts too

long.

 The mains input is abnormal.

 The number of batteries or

battery capacity is incorrectly

set.

Measure:

 Check the mains, and charge

batteries in a timely manner.

 Check the configured battery

capacity.

An alarm is generated. If

the shallow discharge test

is not performed for a long

time, the battery power

backup function may be

affected.

Possible cause: The battery does

not experience shallow discharge,

and the maintenance period

expires.

Measure:

Perform the following steps:

Click the alarm. The battery

maintenance menu is displayed.

Perform a shallow discharge test.

The alarm will be automatically

cleared no matter whether test

conditions are met.

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The UPS shuts down.

The UPS transfers to

another working mode or

shuts down.

Possible cause: The soft-start

resistor is damaged.

Measure: Contact Huawei

technical support for repair.

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The UPS cannot be started.

Possible causes:

 The mains input harmonic is

large.

 The rectifier startup circuit is

damaged.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

Measures:

 After you rectify the fault,

restart the UPS.

 Contact Huawei technical

support for repair.

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The UPS shuts down.

The UPS transfers to

another working mode or

shuts down.

Possible causes:

 The mains experiences

instantaneous high-voltage

impact.

 The output has special loads

such as inductive loads and

rectification loads.

 The output has transformer

loads but the transformer

mode is not set.

 The hardware is damaged.

Measures:

 After you rectify the fault,

restart the UPS.

 Check whether the load type

is supported by the UPS.

 Enable the transformer mode.

 Contact Huawei technical

support for repair.

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The UPS shuts down.

The UPS transfers to

another working mode or

shuts down.

Possible cause: The hardware is

damaged.

Measure: Contact Huawei

technical support for repair.

The UPS shuts down.

The UPS transfers to

another working mode or

shuts down.

Possible cause: The hardware is

damaged.

Measure: Contact Huawei

technical support for repair.

The UPS shuts down.

The UPS transfers to

another working mode or

shuts down.

The charger stops

working.

Possible causes:

 The ambient temperature

exceeds 40°C.

 The air channel is blocked.

 The fan is abnormal.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

Measures:

 Decrease the ambient

temperature.

 Keep the air intake and

exhaust vents of the UPS

unobstructed.

 Clean off the foreign objects

around the fan. If the alarm

persists, contact Huawei

technical support for repair.

The rectifier transfers to

battery mode, and the

power supply is not

affected.

If no battery is installed,

the UPS shuts down.

The UPS transfers to

another working mode or

shuts down.

Possible cause: The rectifier is

faulty.

Measure: Contact Huawei

technical support for repair.

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Possible cause: The digital signal

processing (DSP) or complex

programmable logical device

(CPLD) chip is faulty.

Measure: Contact Huawei

technical support for repair.

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Possible cause: The EEPROM

chip is faulty.

Measure: Contact Huawei

technical support for repair.

The UPS shuts down.

The UPS may transfer to

another working mode or

shut down.

Possible cause: The single-side

bus capacitor is faulty.

Measure: Contact Huawei

technical support for repair.

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The power supply from the

UPS and system is not

affected.

Possible cause: The bus capacitor

is faulty.

Measure: Contact Huawei

technical support for repair.

Possible cause: The load power

exceeds the loading capacity of

the batteries.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

Measure: Reduce the load power

or verify the number of batteries.

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Possible cause: The auxiliary

power source is faulty.

Measure: Contact Huawei

technical support for repair.

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Possible cause: The soft-start

resistor is damaged.

Measure: Contact Huawei

technical support for repair.

The power supply from the

UPS and system is not

affected.

Possible cause: The NTC is not

connected or is damaged.

Measure: Contact Huawei

technical support for repair.

Possible cause: Self-load cable

connections are incorrect.

Measure: Reconnect cables.

If the inverter has not

started, the UPS has no

output, and inverter startup

is not allowed.

If the inverter has started,

inverter operation is not

affected, but transfer to

bypass mode is not

allowed.

Possible cause: The bypass input

cable connections do not match

the output system.

Measure: Ensure that the bypass

input cable connections match

the output system.

After the parallel system is

powered on, an incorrect

bypass phase sequence is

detected on a UPS. The

parallel system has not

output.

The parallel system works

in inverter mode. The

newly added UPS has no

output because bypass

cables are incorrectly

connected.

The parallel system works

in bypass mode. The

parallel system has no

Possible cause: The bypass phase

sequences in the parallel system

do not match.

Measure: Check bypass input

phase sequences in the parallel

system.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

output because bypass

cables for the newly added

UPS are incorrectly

connected.

Manual

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The UPS startup is not

allowed.

Possible cause: The three-phase

power cable lengths vary greatly.

Measure: Ensure that the lengths

of three-phase power cables vary

within a difference of 5%.

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The UPS startup is not

allowed.

Possible cause: The inverter is

faulty.

Measure: Contact Huawei

technical support for repair.

The power supply from the

UPS and system is not

affected.

Possible cause: The fan is

abnormal.

Measure: Clean off the foreign

objects around the fan. If the

alarm persists, contact Huawei

technical support for repair.

The power supply from the

UPS and system is not

affected.

Possible cause: The fan is

abnormal.

Measure: Clean off the foreign

objects around the fan. If the

alarm persists, contact Huawei

technical support for repair.

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The UPS startup is not

allowed.

Possible cause: An error occurred

during software loading.

Measure: Contact the

manufacturer to load software.

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The UPS startup is not

allowed.

Possible cause: Software and

hardware versions do not match.

Measure: Contact the

manufacturer to load software.

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The UPS startup is not

allowed.

Possible cause: Software and

hardware versions do not match.

Measure: Contact the

manufacturer to load software.

The UPS startup is not

allowed.

Possible cause: An error occurred

during software loading.

Measure: Contact the

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

manufacturer to load software.

Manual

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The UPS startup is not

allowed.

Possible cause: Software and

hardware versions do not match.

Measure: Contact the

manufacturer to load software.

Manual

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The UPS startup is not

allowed.

Possible cause: Software and

hardware versions do not match.

Measure: Contact the

manufacturer to load software.

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The charger in the UPS

stops.

Possible cause: The charger

capacitor is faulty.

Measure: Contact Huawei

technical support for repair.

Possible cause: The charger

output is short-circuited.

Measure: Rectify battery port

short circuits. After you clear the

alarm, restart the UPS. If the

alarm persists, contact Huawei

technical support for repair.

Possible cause: The charger is

faulty.

Measure: Contact Huawei

technical support for repair.

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The charger in the UPS

stops.

(The 20 kVA has no

action.)

Possible cause: The charger is

faulty.

Measure: Contact Huawei

technical support for repair.

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The charger in the UPS

stops.

Manual

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UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

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An alarm is displayed, and

the battery service life may

be shortened.

Possible causes:

 The number of batteries is

incorrectly set.

 Batteries are damaged.

 If batteries are fully charged,

reconnect the batteries as soon

as the system powers off.

Measures:

 Check whether the number of

batteries is correctly set.

 Check whether batteries are

damaged.

 After ensuring that the

number of batteries is correct,

clear the alarm.

The inverter shuts down.

The UPS transfers to

bypass mode or has no

output based on the

transfer logic.

Possible cause: The inverter is

faulty.

Measure: Contact Huawei

technical support for repair.

The UPS shuts down.

The UPS may transfer to

another working mode or

shut down.

Possible cause: The inverter relay

is faulty.

Measure: Contact Huawei

technical support for repair.

Possible cause: The inverter

output is short-circuited.

Measure: Rectify output port

short circuits. After you clear the

alarm, restart the UPS. If the

alarm persists, contact Huawei

technical support for repair.

Possible causes:

 The mains experiences

instantaneous high-voltage

impact.

 The output has special loads

such as sensitive loads and

rectification loads.

 The output has transformer

loads but the transformer

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

mode is not set.

 The hardware is faulty.

Measures:

 After you rectify the fault,

restart the UPS.

 Check whether the load type

is supported by the UPS.

 Enable the transformer mode.

 Contact Huawei technical

support for repair.

The UPS starts upon

shutdown.

The UPS may transfer to

another working mode or

shut down.

Possible causes:

 The ambient temperature

exceeds 40ºC.

 The air channel is blocked.

 The fan is abnormal.

Measures:

 Decrease the ambient

temperature.

 Keep the air intake and

exhaust vents of the UPS

unobstructed.

 Clean off the foreign objects

around the fan. If the alarm

persists, contact Huawei

technical support for repair.

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Possible cause: The DSP or

CPLD chip is faulty.

Measure: Contact Huawei

technical support for repair.

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The UPS shuts down.

The UPS may transfer to

another working mode or

shut down.

Possible causes:

 Parallel cables are incorrectly

connected.

 The lengths of parallel cables

vary greatly.

Measures:

 Reconnect cables.

 The lengths of parallel cables

vary within a range of 5%.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

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Possible cause: The EEPROM

chip is faulty.

Measure: Contact Huawei

technical support for repair.

The UPS automatically

starts after shutdown.

The UPS transfers to

another working mode or

shuts down.

Possible cause: The load exceeds

the rated inverter loading

capacity.

Measure: Reduce the load or

replace the UPS with a

larger-capacity UPS.

Manual

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The UPS startup is not

allowed.

Possible cause: The load exceeds

the rated bypass loading capacity.

Measure: Reduce the load or

replace the UPS with a

larger-capacity UPS.

Manual

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In single UPS mode, the

loads connected to pL

power off.

Possible cause: The load exceeds

the rated loading capacity.

Measure: Reduce the load or

replace the UPS with a

larger-capacity UPS.

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Possible causes:

 The battery voltage is below

the battery protection voltage.

 The battery discharge time

exceeds the battery protection

time.

Measures:

 Check the battery voltage.

 Modify the power segment

settings on the LCD.

Continuous overload

causes the UPS to transfer

to bypass mode or supply

no power.

Possible cause: The load exceeds

the rated loading capacity.

Measure: Reduce the load or

replace the UPS with a

larger-capacity UPS.

Continuous overload

causes the UPS to supply

no power.

Possible cause: The load exceeds

the rated bypass loading capacity.

Measure: Reduce the load or

replace the UPS with a

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

UPS startup is not allowed.

Possible cause: The single UPS

and parallel system settings do

not match cable connections.

Measures:

 Check the single UPS and

parallel system settings.

 Check that parallel cable

connections match the

settings.

The bypass input circuit

breaker in the PDU is

OFF.

Possible cause: The bypass

component is faulty.

Measure: Contact Huawei

technical support for repair.

Manual

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The UPS shuts down.

The parallel system shuts

down.

Possible causes:

 The parallel cable is loose.

 The parallel cable is damaged.

Measures:

 Check that the parallel cable

is securely connected.

 Replace the parallel cable.

 Contact Huawei technical

support for repair.

Manual

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The UPS shuts down.

The parallel system

transfers to another

working mode.

Possible causes:

 The parallel cable is loose.

 The parallel cable is damaged.

Measures:

 Check that the parallel cable

is securely connected.

 Replace the parallel cable.

 Contact Huawei technical

support for repair.

Manual

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Possible cause: The EPO button

is pressed.

Measure: Restore the EPO button

status. Start the UPS after the

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

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Transfer to an unstable

side is not allowed.

Possible cause: The output

transfer times within 30 minutes

exceed the configured value (3 by

default).

Measure: Restart the UPS after

the alarm is cleared.

Possible causes:

 The configured number of

redundant UPSs exceeds the

maximum allowed value.

 The load exceeds the rated

loading capacity of the

requisite UPSs in the parallel

system.

Measures:

 Reduce the number of

redundant UPSs or set the

system to be non-redundant.

 Reduce the load or replace the

UPS with a larger-capacity

UPS.

Transfer to bypass mode is

prohibited. If the bypass is

supplying power, the UPS

transfers to another

working mode.

Possible cause: The ECO input is

abnormal.

Measure: Check whether the

ECO input voltage or frequency

exceeds the configured range. If

yes, change the range or wait

until the bypass input recovers.

The monitoring module

cannot monitor the digital

signal processor (DSP) of

the power module.

Possible causes:

 The communications cable is

faulty.

 An internal fault occurs in the

UPS.

Measures:

 Check the communications

cable.

 Contact Huawei technical

support for repair.

An alarm is generated, and

Possible cause: The parallel

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

all the UPSs in the parallel

system cannot start

inverters.

parameters are not set

consistently on the UPSs.

Measure: Set the parallel

parameters consistently, or

perform parallel parameter

synchronization.

NOTE

After you perform parallel parameter

synchronization, contact Huawei

technical support if some parallel

parameters are still inconsistent.

Possible causes:

 The ambient temperature in

the UPS equipment room

exceeds the alarm threshold

(default value: 40°C).

 The temperature and humidity

transducer is faulty.

Measures:

 Check the ambient

temperature in the UPS

equipment room.

 Replace the temperature and

humidity transducer.

Possible causes:

 The ambient temperature in

the UPS equipment room is

below the alarm threshold

(default value: 0ºC).

 The temperature and humidity

transducer is faulty.

Measures:

 Check the ambient

temperature in the UPS

equipment room.

 Replace the temperature and

humidity transducer.

Possible causes:

 The ambient humidity in the

UPS equipment room exceeds

the alarm threshold (default

value: 90%).

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

 The temperature and humidity

transducer is faulty.

Measures:

 Check the ambient humidity

of the UPS equipment room.

 Replace the temperature and

humidity transducer.

Possible causes:

 The ambient humidity in the

UPS equipment room is

below the alarm threshold

(default value: 10%).

 The temperature and humidity

transducer is faulty.

Measures:

 Check the ambient humidity

of the UPS equipment room.

 Replace the temperature and

humidity transducer.

Faulty

temperat

ure and

humidity

module

Possible causes: The temperature

and humidity module is faulty.

Measures:

 Check parameter settings of

the temperature and humidity

transducer.

 Replace the temperature and

humidity transducer.

If the bypass is abnormal,

the UPS may power off.

Possible causes:

 The inverter is not started.

 The load exceeds the rated

inverter loading capacity.

 The inverter is faulty.

Measures:

 Check whether other alarms

are generated. If yes, see the

other handling methods.

 If no, start the UPS manually.

The UPS may power off if

batteries are abnormal.

Possible causes:

 The mains input is abnormal.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Alarm

(Alarm

ID-Alar

Cause)

 The UPS is in battery

self-check state.

 The mains loading capability

is insufficient.

Measures:

 Check the mains input. If the

mains input is abnormal, wait

until the mains input recovers.

 Check whether the UPS is in

battery self-check state.

 Reduce the load or replace the

UPS with a larger-capacity

UPS.

The UPS transfers to

bypass mode.

Possible cause: The maintenance

circuit breaker is ON during UPS

maintenance.

Measure: Switch off the

maintenance circuit breaker after

maintenance.

Possible cause: The flash

memory cannot be properly read

or written.

Measure: Contact Huawei

technical support for repair.

UPS2000-G-(6 kVA-20 kVA)

User Manual

D Alarm Handing of Battery Maintenance Notification

D Alarm Handing of Battery Maintenance

Notification

Context

If no battery shallow discharge test is performed within 60 days after a UPS2000-G is

installed and the maintenance notification time has arrived, the mains indicator is on, the

battery and bypass indicators are off, the fault indicator on the info key are blinking red, and

alarms are generated intermittently.

Procedure

Step 1 Clear the Batt. maint. notif alarm.

1. Press the i key on the UPS control panel to display the Active Alarms page. If multiple

active alarms exist, use the ▲ or ▼ key to select the alarm record on the top (the latest

alarm is on the top by default). Press to view the alarm ID and name.

Figure D—1 Viewing alarms

2. Press to display the Maintain Batteries screen. Then the Batt. maint. notif alarm

disappears and timing for the next notification starts, regardless of whether you perform

a discharge test. The battery maintenance notification 0036-01 in the active alarm menu

will disappear.

UPS2000-G-(6 kVA-20 kVA)

User Manual

D Alarm Handing of Battery Maintenance Notification

Figure D—2 Maintain Batteries screen

Figure D—3 Active Alarms screen

Step 2 Cancel the battery maintenance notification function.

If you do not want the battery maintenance notification 0036-01 to appear again, perform the following

steps:

1. On the Main Menu screen, select Settings and press . The Settings login screen is

displayed. The preset password is 000001. After you enter the correct password and

press , the Settings screen is displayed.

2. Choose Battery Parameters and Shallow Discharge, and then change the value of Test

notification from Enable to Disable (configurable when the UPS works in any mode).

Figure D—4 Shallow Discharge screen

—-End

UPS2000-G-(6 kVA-20 kVA)

User Manual

E Battery Shallow Discharge Test

Context

A shallow discharge test method that tests the battery loop reliability and short-time backup

capacity after batteries are charged for a long time (60 days by default, 30 days to 90 days

configurable).

Procedure

Step 1 Check the battery status for test start conditions.

1. On the Main Menu screen, choose Status and click . On the Status screen, locate

Battery Status.

Figure E—1 Battery Status menu

 Status: The battery status is NA (battery not connected or reversely connected), Equalized

charging, Float charging, Hibernating, or Discharging.

 Capacity: indicates the remaining battery capacity.

 Backup time: indicates the estimated discharge duration. The value is NA during battery charging.

2. Batteries in Hibernating state cannot start a shallow discharge test. Choose Control and

Maintain Batteries, and then click Manual Float Charging to switch the batteries to

the float charging state. If the batteries hibernate due to a charger alarm, the batteries can

switch between float charging and equalized charging only after the alarm is cleared.

UPS2000-G-(6 kVA-20 kVA)

User Manual

E Battery Shallow Discharge Test

Figure E—2 Manual FC for Pos. screen

For the 6 kVA and 10 kVA UPSs, perform manual float charging, for the 15 kVA and 20 kVA UPSs,

batteries in positive and negative groups are manually switched to float charging respectively.

Step 2 Adjust the discharge ratio for the shallow discharge test.

1. On the Main Menu screen, select Settings and press . The Settings login screen is

displayed. The preset password is 000001. After you enter the correct password and

press , the Settings screen is displayed.

2. Choose Battery Parameters and Shallow Discharge, and adjust the parameters to fit

actual requirements.

Figure E—3 Shallow Discharge screen

Discharge ratio: indicates the percentage of discharge capacity to the total dischargeable

capacity. The parameter can be set to a value between 10% and 50%, and the default

value is 20%. The parameter is configurable in any mode. It is recommended that the

value of Discharge ratio not exceed 20% with the load is light. For example, the value

can be 10% or 15%.

Step 3 Start the shallow discharge test: Partially discharge the batteries. After all required conditions

are met, the test command is successfully delivered and the LCD displays a Succeeded

message.

Figure E—4 Shallow Discharge screen

If the shallow discharge test command is successfully executed, the charger disables its output

and the system is in battery mode. You can view the battery information on the default screen

(energy flow diagram). The normal mode indicator (green) turns off, and the battery mode

indicator (yellow) turns on.

Step 4 Stop the shallow discharge test forcibly.

UPS2000-G-(6 kVA-20 kVA)

User Manual

E Battery Shallow Discharge Test

Figure E—5 Stop Test screen

—-End

UPS2000-G-(6 kVA-20 kVA)

User Manual

F Capacity Test

Context

A deep discharge test method that tests the battery real-time capability and long-time backup

capability after batteries have not experienced deep discharging for a long time.

Procedure

Step 1 Check the battery status for test start conditions.

1. On the Main Menu screen, choose Status and click . On the Status screen, locate

Battery Status.

Figure F—1 Battery Status menu

 Status: The battery status is NA (battery not connected or reversely connected), Equalized

charging, Float charging, Hibernating, or Discharging.

 Capacity: indicates the remaining battery capacity.

 Backup time: indicates the estimated discharge duration. The value is NA during battery charging.

2. Batteries in Hibernating state cannot start a capacity test. Choose Control and

Maintain Batteries, and then click Manual Float Charging to switch the batteries to

the float charging state. Charge the batteries until the battery capacity reaches 100%. If

the batteries hibernate due to a charger alarm, the batteries can switch between float

charging and equalized charging only after the alarm is cleared.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure F—2 Manual FC for Pos. screen

For the 6 kVA and 10 kVA UPSs, perform manual float charging, for the 15 kVA and 20 kVA UPSs,

batteries in positive and negative groups are manually switched to float charging respectively.

Step 2 Adjust the load rate of the local UPS to a value between 20% and 80%. The actual load rate

can be viewed in t he energy flow diagram. If the actual load rate is below 20%, you ca nnot

perform a test. If so, add some IT equipment to increase the load to above the lower limit.

Figure F—3 Viewing the load rate

Step 3 Start the capacity Test: Partially discharge the batteries and ensure that the load rate is

between 20% and 80%. After all required conditions are met, the test command is

successfully delivered and the LCD displays a Succeeded message.

Figure F—4 Shallow Discharge screen

If the load rate and battery capacity do not meet the requirements, the system displays a message

indicating load not met and Batt. not fully charged. In this case, you need to reset the load rate and

battery capacity.

If the capacity Test command is successfully executed, the charger disables its output and the

system is in battery mode. You can view the battery information on the default screen (energy

flow diagram). The normal mode indicator (green) turns off, and the battery mode indicator

(yellow) turns on.

UPS2000-G-(6 kVA-20 kVA)

User Manual

Figure F—5 Load not met

Figure F—6 Batt. not fully charged

Step 4 Stop the capacity Test forcibly.

Figure F—7 Stop Test screen

—-End

UPS2000-G-(6 kVA-20 kVA)

User Manual

G Acronyms and Abbreviations

application-specific integrated circuit

complex programmable logical device

digital signal processing

economy control operation

Hypertext Transfer Protocol Secure

management information base

network management system

UPS2000-G-(6 kVA-20 kVA)

User Manual

G Acronyms and Abbreviations

Simple Network Management Protocol

total harmonic distortion of output voltage

telecommunication network voltage

uninterruptible power system

valve regulated lead acid

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Huawei UPS,UPS2000G,10kVA,Single phase/Three phase input single phase output,Tower or Rack,Long,0h,220/230/240VAC,50/60Hz (UPS2000-G-10KRTL)

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ИБП Huawei UPS2000G 10kVA UPS2000-G-10KRTL 02290251. — описание

Ибп Huawei UPS,UPS2000G,10kVA,Single phase/Three phase input single phase output,Tower or Rack,Long,0h,220/230/240VAC,50/60Hz (UPS2000-G-10KRTL)

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ИБП Huawei UPS2000G 10kVA UPS2000-G-10KRTL 02290251. — технические характеристики

Аварийное отключение питания (EPO)	Да
Байпас	Встроенный байпас
Диапазон входного напряжения при работе от сети, В	80-380
Диапазон регулировки выходного напряжения (В)	Возможно конфигурирование для работы с выходным напряжением номиналом 220 : 230 или 240 В
Интерфейсный порт	USB
Максимальная выходная мощность, Вт/ВА	9000/10000
Панель управления	Многофункциональная консоль контроля и управления с ЖК-дисплеем
Тип ИБП	Двойное преобразование
Тип установки	В стойку/напольный
Тип формы напряжения	Синусоидальный сигнал
Номинальное выходное напряжение, В	230
Номинальное входное напряжение, В	220/230/240
Тип входного соединения	Hard Wire 3 wire (L+N+PE); Hard Wire 5-wire (3Ph+N+PE)
Вес, кг	16.0000
Цвет	Черный
Звуковой сигнал	Да

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Краткое описание UPS2000-G-10KRTL

UPS,UPS2000G,10kVA,Single phase/Three phase input single phase output,Tower or Rack,Long,0h,220/230/240VAC,50/60Hz

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UPS2000-H-(6 kVA–10 kVA) Quick Guide
Issue: 02
Date: 2021-10-13

Installation Preparations

NOTICE

Before installing the devices, read the user manual carefully to get familiar with product information and safety precautions.
Use insulated tools during installation.
Only engineers certified by Huawei or its agents are allowed to install, commission, and maintain the UPS. Otherwise, personal injury or equipment damage may occur, and the UPS faults caused are beyond the warranty scope of Huawei.
When routing power cables and communications cables, prevent cables from being scratched by cabinet components.

Model	Weight	Dimensions (H x W x D)
UPS2000-H-6KRTL-Li	14 kg	43 mm r 430 mm x 514 mm
UP52000-H-10KRTILI	17 kg	86 mm x 430 mm x 514 mm

Model	Wiring Terminal	Number of Phases	Rated Voltage	External Circuit Breaker	Cable Cross-sectional Area	Terminal Type	Note
6 kVA:single-phase input single-phase output)	AC input	L/N/PE	1	220 V AC/230 V AC/240 V AC	50 A (feature C)	10 mm’	OT-10 mm’-M6 terminal	M4 screw tightening torque: 1.2 Nei Torque for tightening screws: 4.8 Nm Notes •Use flexible conductors with a working temperature of 90 *C or softer conductors for power cables. Cables with solid conductors or twisted conductors may fail to be Installed. •II there is no battery bus bar (BBB) box, connect battery cables to the UPS. Select 01 terminals based on the battery cables. •a: The lithium battery Is equipped with a circuit breaker. •b: In bypass mode, the UPS obtains power from phase A. The input current Is the three-phase total current
AC output	L/N/PE	1	40 A (feature D)	6 mm’	OT-6 m&-M6 terminal
Battery	+	2	54 V DC	160 A•	2 x 25 Imre	OT 25 mm’-M6 terminal
—	2 x 25 mats
PE	—	2 x 6 mm’	OT-6 mm,-90′ bending-AM terminal
10 kVA (single-phase input single-phase output)	AC input	L/N/PE	1	220 V AC/230 V AC/240 V AC	80 A (feature C)	16 mm2	OT-16 mm’-M6 terminal
AC output	L/N/PE	1	63 A (feature 0)	16 mm	OT-16 mm terminal
Battery	+	2	54 V DC	250 •	2 x 35 mm’	01-35 mm’-M6 terminal
—	2 x 35 mm’
PE	—	2 x6 mm’	01•6 mm’-M6 terminal
10 kVA (three-phase input single-phase output)	AC input	1./N/PE	3	380 V AC/400 V AC/415 V AC	80 A° (feature C)	16 MO	OT•16 mm’-M6 terminal
AC output	L/N/PE	1	re 63 A (feature 0)	16 M O	OT•16 mm’•M6 terminal
Battery	+	2	54 V DC	250 A•	2 x 35 mm’	OT•35 mm’-M6 terminal
—	2 x 35 mm’
PE	+	2 x 6 mm’	OT-6 mm’-M6 terminal
lithium battery	+	2	54 V DC	—	25 m2	OT 25 mm’-M6 terminal
—	25 mm
PE	6 mm’	OT-6 mm’-M6 terminal

HUAWEI UPS2000-H SmartLi UPS Enterprise -FIGURE 1

Installing a UPS

HUAWEI UPS2000-H SmartLi UPS Enterprise -FIGURE 2

NOTE

The installation of the 6 kVA UPS is similar to that of the 10 kVA UPS. This document uses the 6 kVA UPS as an example. Perform operations based on the actual situation.
A UPS supports a maximum of eight lithium batteries in parallel.
It is recommended that the BBB box be installed behind the lithium batteries.
If four groups of batteries are installed in the rack-mounted mode, reserve 1 U space between every two groups of lithium batteries battery cables.
You are advised to reserve 1 U space between UPSs, 1 U space between the UPS and lithium battery, and 1 U space above the UPS.

Typical Tower-mounted Scenario

NOTE

The following uses one 6 kVA UPS and four lithium batteries in tower-mounted mode with a junction box as an example.
A subrack can house a maximum of three devices and only one UPS is supported.
In a single-server scenario, if more than six lithium batteries are installed, two junction boxes need to be installed.

HUAWEI UPS2000-H SmartLi UPS Enterprise -FIGURE 3

Installing Cables

Installing AC Power Cables (Single UPS)

Connect UPS AC input and output power cables in the same phase sequence. Connect battery terminals correctly.
Before connecting cables to the UPS, ensure that the input circuit breaker and output circuit breaker are OFF to prevent operations with power on.
If the input or output cables has to be changed, contact Huawei technical support if you are not familiar with the operation. Do not power on the UPS directly.
If the input or output system is changed, ensure that the short-circuit copper bar status and cable connections at input and output ports are correct.
In a single UPS system, connect loads to AC OUTPUT sL and pL terminals. Connect primary loads to the sL terminal and secondary loads to the pL terminal.
6. K1: UPS input circuit breaker; Q1: UPS output circuit breaker.

HUAWEI UPS2000-H SmartLi UPS Enterprise -FIGURE 4

Installing Battery Cables (Single UPS)

NOTE

When replacing a faulty lithium battery, disconnect all loops between the UPS and the battery to prevent maintenance with power on.

HUAWEI UPS2000-H SmartLi UPS Enterprise -FIGURE 5

Installing AC Power Cables (Parallel System)

Ensure that the AC input and output power cables on each UPS are connected in the same phase sequence, battery terminals are connected correctly, and the bypass power cables are connected in the same phase sequence.
Before cable connection, turn off all circuit breakers in the parallel system.

NOTICE

The UPS can generate large leakage currents. A circuit breaker equipped with a residual current device (RCD) is not recommended. If leakage protection is required, select a recommended circuit breaker.
Circuit breakers used for cable connection need to be provided by the customer.
When UPSs are connected in parallel, the output parallel power cables of each UPS must be at least 1 m long and the length deviation must be less than ±10%. The four cables must be connected at the remote end.
K: general AC input circuit breaker; K1: UPS 1 input circuit breaker; K2: UPS 2 input circuit breaker; Q: general AC output circuit breaker; Q1: UPS 1 output circuit breaker; Q2: UPS 2 output circuit breaker; B1–Bn: lithium battery circuit breakers.

Installing Communications Cables (Parallel System)

Verifying the Installation

No.	Check Item
1	If the input or output system is changed, ensure that the short-circuit copper bar status and cable connections at input and output ports are correct.
2	The phase sequence of the input power is correct. Use a multimeter to check that the input and output are not short-circuited.
3	Cables and terminals are securely connected.
4	Battery cables and terminals are connected correctly, and voltages comply with industry standards.
5	The UPS is properly connected to the lithium battery string.
6	Input circuit breakers and load circuit breakers are OFF.
	Power cables and signal cables are correctly identified.
8	The ground cable is reliably connected. The voltage difference between the neutral wire and the ground cable is less than 5 V AC.
9	The build-out resistor is correctly installed.
10	The voltage range of the UPS upstream input circuit breaker is 80-280 V AC (phase voltage), and the rated frequency is 50 Hz/60 Hz.
11	The positive and negative voltages of the lithium battery measured by a multimeter range from 41 V to 51 V.

Startup

NOTICE

Before powering on the UPS, ensure that the UPS has passed all check items in «Verifying the Installation.»
The voltage range of the UPS upstream input circuit breaker is 80–280 V AC (phase voltage), and the rated frequency is 50 Hz/60 Hz.

Power Button Function	Description
Starting the inverter	When the UPS works in bypass mode (the bypass indicator is on), hold down the button on the UPS panel for more than 5s. Release the button when the inverter indicator blinks and you hear a beep sound. Do not press any button during inverter startup. When the startup command is successfully delivered, and the inverter indicator is steady on, the UPS enters normal mode.
Shutting down the inverter	When the UPS works in inverter mode, hold down the button on the UPS panel for more than 5s. Release the button when the inverter indicator blinks and you hear a beep sound. Do not press any button during the inverter shutdown. When the shutdown command is successfully delivered, and the inverter indicator is off, the UPS shuts down the inverter output and enters bypass mode.
Enabling WiFi	When the WiFi is disabled, press and hold the button for 0.5s to enable the WIFi (the WiFi indicator is on).
Disabling WIFi	When the WiFi is enabled, press and hold the button for 0.5s to disable the WIFi (the WiFi indicator Is off).
Cold-Starting the UPSs Using Batteries	When the mains is abnormal or disconnected, connect the battery and hold down the lithium battery switch for at least 5s and less than 15s to power on the lithium battery. Hold down the UPS button for 3s (the bypass indicator, battery indicator, and Inverter indicator are on at the same time), and the UPS Is powered on. After the UPS Initialization Is complete (about 10s), the indicator status changes and the UPS enters the standby state (the WiFi Indicator Is on and the fault Indicator blinks). Hold down the UPS button for more than Ss, and the UPS enters battery mode.

Starting a UPS

Hold down the MANUAL ON/OFF button on the lithium battery panel for at least 5s and less than 15s to power on the lithium battery.
Switch on the mains AC input circuit breaker K1 for the UPS. The UPS works in bypass mode (the bypass indicator is on). The sL terminal outputs bypass voltage and the pL terminal has no voltage output.
If the alarm indicator on the UPS panel is blinking, view the alarm details on the app and handle the alarm.
Perform «startup operations» on the UPS by using one of the following methods for the UPS to work in normal mode:
• When the UPS works in bypass mode (the bypass indicator is on), hold down the button on the UPS panel for more than 5s. Release the button when the inverter indicator blinks and you hear a beep sound. Do not press any button during inverter startup. When the startup command is successfully delivered, and the inverter indicator is steady on, the UPS enters normal mode.
• Choose Configuration > Control > Power-on/off on the app to start the inverter. After a successful startup, the UPS enters normal mode.
For details about how to install and log in to the app, see the Appendix.
• On the WebUI, choose Monitoring > UPS System > Running Control to start the UPS.
When the UPS runs properly, switch on the UPS AC output circuit breaker Q1 to supply power to loads.

Starting a Parallel System

Hold down the MANUAL ON/OFF button on the lithium battery panel for at least 5s and less than 15s to power on the lithium battery.
Switch on the UPS mains input circuit breakers K1 and K2, the general mains input circuit breaker K, and the UPS AC output circuit breakers Q1 and Q2. The parallel system has no output.
If the alarm indicator on the UPS panel is blinking, view the alarm details on the app and handle the alarm. For details about how to install and log in to the app, see the Appendix.
The parallel configuration parameters are adaptive. Choose Config > System Parameters > Parallel system. You can manually set the parameters as required.
Start the UPS one by one and shut down the inverters. The output PL terminal has voltage output.
Switch on output circuit breaker Q1 (provided by the customer), switch off output circuit breaker Q2 (provided by the customer), and check that the voltage difference between the two ends of output circuit breaker Q2 does not exceed 2 V.
Switch on the output circuit breaker Q2.
After you perform «startup operations» on each UPS in the parallel system, all UPSs transfer to normal mode.
When the parallel system runs properly, switch on the general output circuit breaker Q (provided by the customer) and branch output circuit breakers (provided by the customer), and start loads one by one.

Shutting Down a Parallel System
Shutting Down a Single UPS in the Parallel System

Perform «shutdown operations» twice within 30s for a UPS in the parallel system. Then the UPS shuts down and generates no output. Other UPS works without being affected.
Hold down the MANUAL ON/OFF button on the lithium battery panel for at least 5s and less than 15s to power off the lithium battery.
Switch off the AC input circuit breakers K1 and K2 and AC output circuit breakers Q1 and Q2 for the UPS. After all indicators turn off and fans stop, the UPS shuts down.
The UPS exits from the parallel system.

Transferring a Parallel System to Bypass Mode
Perform «shutdown operations» on each UPS in the parallel system. All UPSs shut down the inverters and transfer to bypass mode.
Powering Off a Parallel System

Shut downloads.
Perform «shutdown operations» on each UPS in the parallel system. All UPSs shut down the inverters and transfer to bypass mode.
Hold down the MANUAL ON/OFF button on the lithium battery panel for at least 5s and less than 15s to power off the lithium battery.
Switch off the mains AC input circuit breakers K1 and K2 and the general mains AC input circuit breaker K for the UPS system.
Switch off the UPS AC output circuit breakers Q1 and Q2 and the general AC output circuit breaker Q for the UPS system. After all indicators turn off and fans stop, the UPSs shut down, and the loads power off.

Appendix
Installing the App

Use a mobile device to scan the QR code on the UPS panel.

Картинка с сайта: device.report
Install the app using either of the following methods:
•Download the NetEco app using a browser and install it.
•Download the NetEco app from Huawei AppGallery and install it.

Shutdown

Shutting Down a Single UPS
Shutting Down the Inverter to Transfer the UPS to Bypass Mode
Perform «shutdown operations» on the UPS by using one of the following methods:

When the UPS works in inverter mode, hold down the button on the UPS panel for more than 5s. Release the button when the inverter indicator blinks and you hear a beep sound. Do not press any button during the inverter shutdown. When the shutdown command is successfully delivered, and the inverter indicator is off, the UPS shuts down the inverter output and enters bypass mode.
Choose Configuration > Control > Power-on/off on the app to shut down the inverter. After a successful shutdown, the UPS enters the bypass mode.

Powering Off a Single UPS

Shut down loads.
Perform «shutdown operations» on the UPS. The inverter shuts down, and the UPS transfers to bypass mode.
Hold down the MANUAL ON/OFF button on the lithium battery panel for at least 5s and less than 15s to power off the lithium battery.
Switch off the mains AC input circuit breaker K1 and output circuit breaker Q1 of the UPS. After all indicators turn off and fans stop, the UPS shuts down, and the loads power off.

Logging In to the App

NOTE

After the initial login, change the password in time to improve account security and prevent data tampering.
For the first login, you need to enter the WiFi password.

Enable WLAN on your phone.
Turn off mobile data on your phone.
Power on the UPS.
Press and hold the UPS button for about 0.5s to enable the UPS WiFi (the WiFi indicator is steady on).
Open the NetEco app on a mobile device. The Select Application screen is displayed.
Tap UPS. The Connect WiFi screen is displayed. Use either of the following methods to connect to the WiFi network.
•Manually connect to WiFi.
① Tap Manually connects to WiFi. The Select WLAN network screen is displayed.
② Select the UPS WiFi name whose last 12 digits are the same as the SN.

Картинка с сайта: device.report

③ Enter the WiFi password. (The initial WiFi password is Change.)
•Scan to connect to WiFi
① Tap Scan to connect to WiFi.
② Scan the QR code on the UPS panel.
After the WiFi connection is set up, the UPS login screen is displayed.
Enter the user name and password and tap login. (The default user name is admin, and the initial password is Change.)
In the displayed dialog box, tap OK. After the initial password is changed, enter the new password to log in to the app.
After the login is successful, the quick settings screen is displayed. You can manually set the parameters as required.
NOTE
If it is not the first login, skip the quick settings operation.
Tap OK. The home screen is displayed.

Scan here for more documents:

You can also log in to Huawei technical support website:
https://support.huawei.com/enterprise
https://support.huawei.com
Copyright © Huawei Technologies Co., Ltd. 2021. All rights reserved.

Documents / Resources

tags: Huawei, SmartLi UPS Enterprise, UPS Enterprise, UPS2000-H, UPS2000-H SmartLi UPS Enterprise,

Источник

Артикул	UPS2000-G-10KRTL
Производитель	Huawei
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Источник

ИБП Huawei UPS2000G 10kVA UPS2000-G-10KRTL 02290251. — описание

ИБП Huawei UPS2000G 10kVA UPS2000-G-10KRTL 02290251. — технические характеристики

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