Transferring To Maintenance Bypass Mode - Huawei UPS5000-H Series User Manual

UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module)
Procedure
Step 1 On the WebUI, choose Query > Battery Test Records, choose logs that need to be
queried from the Log drop-down list box, and click Query.
Figure 7-14 Battery Test Records
Step 2 Choose logs that have been queried from the Log drop-down list box, and click
Export.
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7.7 Transferring to Maintenance Bypass Mode

● You are advised to install a lock on the maintenance bypass switch.
● Strictly observe the following procedure to transfer the UPS to maintenance
● In maintenance bypass mode, the mains supplies power to the loads directly
Step 1 Ensure that the status signal cable of the maintenance bypass switch for external
power distribution is connected to MT/0V. Choose System Info > Settings > Dry
Contact Set and set PDC maintenance breaker [MT] to Enable.
Figure 7-15 Maintenance bypass signal port (MT)
Step 2 Shut down the inverter. Choose Common Functions > Inv. OFF. After the inverter
shuts down, the UPS transfers to bypass mode, and the Bypass mode alarm is
displayed on the LCD.
Step 3 Turn on the maintenance bypass switch for external power distribution. Then, the
Maint. breaker closed and Bypass mode alarms are displayed on the LCD.
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Issue 01 (2020-11-30)
NO TICE
bypass mode. Otherwise, loads may power off.
over the maintenance bypass. If the mains is abnormal, the loads may power
off.
Copyright © Huawei Technologies Co., Ltd.
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