UPS5000-E-(25 kVA-125 kVA)-FM
User Manual
5 Operations
Issue 06 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
192
Figure 5-13
Bypass mode
After the inverter is shut down, the
Bypass mode
alarm is displayed on the LCD.
Figure 5-14
Abnormal bypass
Step 3
After shutting down the inverter, open the output switch, or external output power distribution
switch in the UPS output PDC.
Step 4
Open the battery string switch. If there are multiple battery strings, open the general switch
between battery strings and the UPS and then the switch for each battery string.
Step 5
Open the external input power distribution switch and the UPS internal switch, perform the
following operations:
1.
Open the internal mains input switch, bypass input switch, output switch.
2.
Open the upstream UPS mains and bypass input switches.
If the inverter needs to shut down to transfer the UPS to bypass mode, check that the UPS has not
generated an alarm and perform
If you need to shut down the UPS, perform all of the preceding steps.