Huawei UPS5000-E Series User Manual page 149

UPS5000-E-(25 kVA-125 kVA)
User Manual (25 kVA power modules)
Step 2 After the inverter shuts down, if the bypass is normal, the UPS transfers to bypass mode; if
the bypass is abnormal, the UPS supplies no power, and the loads shut down, as shown in
Figure
Figure 5-17 Bypass mode
After you shut down the inverter, the Bypass mode alarm is displayed on the LCD.
Step 3 After the inverter shuts down, open the UPS output circuit breaker on the output PDC, or turn
off the external output distribution switch.
Step 4 Turn off the battery switch. If there are multiple battery strings, turn off the general switch
between battery strings and the UPS and then the switch for each battery string.
Step 5 Open the mains and bypass input circuit breakers on the input PDC, or turn on the external
input power distribution switch.
Step 6 (Optional) Open the input surge protection circuit breaker (if there is) on the input PDC.
Issue 06 (2020-01-10)
c. On the homepage, choose Monitoring > Control, and click Inv. OFF. In the
displayed dialog box, click OK to shut down the inverter, as shown in
Figure 5-16 Shutting down the inverter
5-17.
Copyright © Huawei Technologies Co., Ltd.
5 Operations
Figure 5-16.
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