Figure 5-4 EPO cable connection on a single UPS
5.1.1.3 Parallel System Operations
5.1.1.3.1 Starting the UPSs Using Mains Power
Procedure
Step 1 Switch on the external battery circuit breaker (if any).
Step 2 Switch on the AC input circuit breakers K
m
1 and K
m
2 and general AC input circuit
breaker K
m
for the UPSs. The UPSs will enter the bypass mode. Switch on the AC
output circuit breakers Q1 and Q2. The UPSs enter the standby screen, and the
parallel system works in bypass mode. Press and hold SELECT for 1s on a non-
setting screen to access the login screen for parameter settings. The initial
password is 123. Enter the correct password to access the UPS setting mode.
Figure 5-5 Password setting screen
FusionModule800 Smart Small Data Center
User Manual
5 Power-On Commissioning
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
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