5 Operations
5.1 Check before commissioning
Before system commissioning, check the power system.
Table 5-1 Check before commissioning
No.
Item Result
1 All circuit breakers are OFF. □ Yes □ No
2 Use a multimeter to check that no short circuit
occurs between any two phases of L1, L2, L3, N, and
PE on the AC input side and that no short circuit
occurs between any two of positive, negative, and N
battery terminals.
□ Yes □ No
3 Positive and negative battery terminals are
connected correctly. Check this item by viewing the
color or label of the battery input cable.
□ Yes □ No
4 The AC input voltage is within the rated input range. □ Yes □ No
5 The battery input voltage is within the rated range. □ Yes □ No
5.2 Powering On and Starting the UPS
5.2.1 Power-On
Prerequisites
The SPD circuit breaker is ON.
UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS) 5 Operations
Issue 02 (2022-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 125
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