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UPS5000-E-(25 kVA-75 kVA)-BF
User Manual
5 Operations
Issue 07 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
176
Figure 5-13
Abnormal bypass
Step 3
After the inverter shuts down, open the UPS output switch on the output PDC, or turn off the
external output distribution switch.
Step 4
Open the battery string input circuit breaker. If there are multiple battery cabinets, open the
battery switch inside the UPS cabinet, and then open the battery switch of external battery
strings.
Step 5
Open the internal input switch.
Step 6
Open the external input switches.
If you need to shut down the inverter and 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.
----End
5.3 Starting the UPS in Battery Mode
Procedure
Step 1
Open the input circuit breakers. If there is no input, close the battery circuit breaker. If there
are multiple battery cabinets, close the battery switch inside the UPS cabinet, and then close
the battery switch of external battery strings.
Step 2
Press and hold down the
BATT start
button on the bypass module for at least 2 seconds.
shows the position of the battery cold start button. The system automatically
enters the battery cold start status. The LCD displays the Huawei logo and an initialization
progress bar.