Huawei UPS5000-E-200K-SM User Manual page 169

UPS5000-E-(200 kVA-300 kVA)
User Manual (50 kVA Power Modules)
No.
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Issue 17 (2023-07-10)
Item
Neat arrangement
Cable layout
Cable labels
Cable ties
Cable connections
Grounding
AC phase sequence
Battery cable connections
Foreign matter cleaning
inside the cabinet
Copyright © Huawei Digital Power Technologies Co., Ltd.
Acceptance Criteria
The UPS and its adjacent cabinets are
neatly arranged and secured with
connecting plates.
Cables are routed properly and cable
routing meets customer requirements.
Both ends of a cable are labeled. Labels
are concise and easy to understand.
Cable ties are secured evenly and no burr
exists.
The input, output, and battery cables are
securely connected. For the cables
secured by screws, the spring washers are
flattened.
The resistance between the UPS ground
bar and the equipment room ground bar
is less than 0.1 ohm.
For a single UPS, the mains input, bypass
input, and output phase sequences are
correct.
For a parallel system, the phase
sequences of each UPS must be
consistent.
The battery strings are correctly
connected to the UPS.
The inside and outside of the cabinet,
and other operating components, are
free from conductive dust.
1. There is no foreign matter (such as
copper wires and screws) on the top
of the cabinet.
2. There is no foreign matter on the
copper bar terminals.
3. There is no foreign matter around
switch terminals.
4. There is no foreign matter on the
bottom plate of the cabinet.
5. There is no foreign matter on the rear
module subrack.
3 Installation
161