Huawei UPS2000-G-3KRTLL User manual
1
Issue: 01
Date: 2020-10-26
UPS2000-G-3KRTLL Quick Guide
Copyright © Huawei Technologies Co., Ltd. 2020. All Rights Reserved.
1Overview
UPS Model Represented By Weight Dimensions (H x W x D)
UPS2000
-G-3KRTLL
3
kVA
15 kg
88
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.
2
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)
3
2. Install devices from bottom to top, as shown in the figures.
（
1）UPS （2）Lithium batteries
4
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
5
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)
6
Installing battery cables (rack-mounted, rear view)
Busbar mounting
hole dimensions
(unit: mm)
7
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)
8
（
1）UPS rear view （2）Busbar
Installing battery cables (rack-mounted, front view)
UPS sharing battery strings
9
Installing battery cables (rack-mounted, rear view)
10
Installing battery cables (rack-mounted, front view)
（
1）UPS rear view
UPS not sharing battery strings
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