UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)
5 Operations
Issue 05 (2018-01-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
249
Figure 5-13
Normal bypass
After you shut down the inverter, the
Bypass mode
alarm is displayed on the LCD.
Figure 5-14
Abnormal bypass
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
Step 2
After the inverter shuts down, open the external output switches.
Step 3
Open the battery string circuit breaker. If there are multiple battery strings, open the general
circuit breaker between battery strings and the UPS and then open the circuit breaker for each
battery string.
Step 4
For a UPS in full configuration:
1.
Open the internal mains input switch, bypass input switch, and output switch.
2.
Open the external mains and bypass input switches.
Step 5
For a UPS in standard configuration, open the external mains and bypass input switches.
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