Huawei UPS2000-G-3KRTLL User manual

Issue: 01

Date: 2020-10-26

UPS2000-G-3KRTLL Quick Guide

1Overview

UPS Model Represented By Weight Dimensions (H x W x D)

UPS2000

-G-3KRTLL

kVA

15 kg

mm x 438 mm x 480 mm

(1) Liquid crystal display

(LCD)

(2) Maintenance bypass (MBS)

port

(3) Optional card slot

(4) Battery management

system (BMS) port

(5) RS232 communications port

(6) RS485 communications ports

(connect to northbound devices)

(7) USB

port

(8) AC input and output

terminals (behind the cover)

(9) Battery input terminal

(behind the cover)

(10) Parallel current

equalization port

(11) Emergency power

-off

(EPO) port

(12) Parallel communication

ports

(13) Battery PE terminal

The RS485 ports support only the Modbus RTU protocol.

2Installing a UPS

1. Carefully read the

UPS2000-G-3KRTLL User Manual

prior to installation to get familiar with

product information and safety precautions.

2. Use fully insulated tools during installation and operation.

3. Only engineers certified by the manufacturer or its agent 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.

Rack-Mounting the UPS2000-G

Scenario

1. Reserve a space of 1 U between the UPS and batteries for routing battery power cables.

2. Reserve a space of 5 cm between the battery communications port and the cabinet for

installing a communications cable.

3. Reserve a space of 44 mm between the battery edge and the rack edge for installing

battery power cables.

4. In rack-mounted installation scenarios, the front panels of the UPS and lithium batteries

are not on the same plane.

1. Install the mounting ears on both sides of the UPS.

UPS mounting ear

dimensions (unit:

mm)

2. Install devices from bottom to top, as shown in the figures.

（

1）UPS （2）Lithium batteries

3Installing Cables

•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, output, and battery circuit breakers

are OFF to prevent operations with power applied.

Installing Cables for a Single UPS

Scenario1

Wiring Terminal Input (AC INPUT) Output (AC OUTPUT)

External Circuit Breaker 16 A

Earth Leakage Circuit Breaker 100 mA -

Cable Cross-sectional Area 2.5 mm²

Terminal Type OT-6 mm2-M5 terminal

Torque for Tightening Bolts 2 N·m

1. Install AC input and output power cables.

Installing Power Cables

3.1

1. The UPS2000-G-3KRTLL needs to connect to external lithium batteries. Each UPS supports a

maximum of eight batteries connected in parallel. This document uses two lithium batteries

connected in parallel as an example.

2. When lithium batteries are connected, it is recommended that a DC circuit breaker (63A 80 V

DC circuit breaker for the 3 kVA UPS) be installed between the lithium batteries and the UPS.

3. Before connecting cables to the UPS, ensure that the battery circuit breakers are OFF to

prevent operations with power applied.

4. If the UPS shares a battery string, the PE bar and battery busbar are configured.

Wiring Terminal Battery (BATT. 48VDC)

External Circuit Breaker 63 A (type D)

Cable Cross-sectional Area 16 mm²

Terminal Type OT-16 mm2-M8 terminal

Torque for Tightening Bolts 7 N·m

2. Install battery cables.

After lithium batteries are connected in parallel, connect signal cables to the BMS ports on

the UPS. Install a build-out resistor at the COM-OUT port on the last lithium battery.

Recommended power cable specifications

（

1）UPS rear view （2）Busbar

Installing battery cables (rack-mounted, front view)

Installing battery cables (rack-mounted, rear view)

Busbar mounting

hole dimensions

(unit: mm)

AC input, output, and battery wiring diagram (UPS sharing battery strings)

Installing Cables for Parallel UPSs

Scenario 2

•Before parallel running, ensure that all output circuit breakers for each UPS are ON.

Otherwise, a UPS fault (error code #72) will occur.

•Batteries must be connected for parallel running.

AC input, output, and battery wiring diagram (UPS not sharing battery strings)

（

1）UPS rear view （2）Busbar

Installing battery cables (rack-mounted, front view)

UPS sharing battery strings

Installing battery cables (rack-mounted, rear view)

Installing battery cables (rack-mounted, front view)

（

1）UPS rear view

UPS not sharing battery strings

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