Transferring From Maintenance Bypass Mode To Inverter Mode; Performing Epo; Clearing The Epo State - Huawei UPS5000-H Series User Manual

UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module)
7.8 Transferring from Maintenance Bypass Mode to
Inverter Mode
Before you transfer the UPS from the bypass mode to inverter mode, ensure that
the bypass input is normal.
Step 1 Turn off the external maintenance bypass switch. The Maint. breaker closed
alarm disappears. View the system running diagram on the LCD or WebUI to
check whether the system works in bypass mode.
Step 2 Start the inverter. Choose Common Functions > Inv. ON. The system transfers to
inverter mode.
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7.9 Performing EPO

● Choose Monitoring > UPS System > Running Parameter > System Settings
● After you press the EPO switch, the UPS supplies no power, and the loads
● If the UPS is in maintenance bypass mode, the UPS still supplies power after
Step 1 Press the external EPO switch that connects to the dry contact card or remove the
4-pin terminal on the EPO port of the dry contact card. The UPS enters the
emergency shutdown state. EPO and No power supplied alarms are displayed.
Figure 7-16 EPO port
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7.10 Clearing the EPO State

Issue 01 (2020-11-30)
NO TICE
NO TICE
on the WebUI and set EPO detection to Enable.
powers off.
you press the EPO switch.
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