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UPS5000-E-(40 kVA-320 kVA)
User Manual
3 Installation
Issue 10 (2015-09-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
95
No.
Item
Expected Result
washers are flattened, prevent falling off and
safety accidents. Ensure that there is no
disconnection or potential risk.
04
Serial port connection (security
protection mechanism
supported)
Signal cables are connected properly and
securely.
05
Cable labels
Both ends of each cable are labeled. Labels
are easy to understand.
06
Ground cable connections
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 1 ohm.
07
Distances between cable ties
Distances between cable ties are the same, and
no burr exists.
08
Cable connections
Cables are properly connected according to
wiring diagrams.
09
Live wire and neutral wire
connections
Input and output live wires and neutral wires
are correctly connected. Mains input terminals
1L1, 1L2, 1L3, and N, bypass input terminals
2L1, 2L2, 2L3, and N, and output terminals U,
V, W, and N are properly connected.
10
Input and output live wire phase
sequences
In single UPS mode, mains and bypass input
and output live wires are connected in a
correct sequence; in a parallel system, mains
and bypass input and output live wires are
connected in the same sequence for each UPS.
11
Battery cable connection
Check that the voltages on the positive and
negative battery terminals and battery N are
correct using a multimeter.
12
Operating environment
Clean the conductive air and other sundries.
13
Copper busbar short circuit
Check that copper busbars are open-circuited
using a multimeter.
After routing cables and checking cable connections, use fireproof mud to fill in the gap between the
cables and the cabinet, and reinstall the front panels on the power distribution subrack and top entry
cabinet.