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.
262
Figure 5-31
Opening the maintenance bypass switch (600 kVA UPS in standard configuration)
shows how to operate the maintenance bypass switch on a 400 kVA UPS in full
configuration. Operate the maintenance bypass switches on a 400 kVA UPS in standard configuration
and a 500 kVA UPS in this way.
shows how to operate the maintenance bypass switch on a
600 kVA UPS in standard configuration. Operate the maintenance bypass switches on a 600 kVA UPS in
full configuration and an 800 kVA UPS in this way.
Step 2
Start the inverter.
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5.9 Performing EPO
After the EPO button is turned on, the UPS supplies no power and the loads shut down.
In maintenance bypass mode, the UPS continues to supply power even after the EPO
button is turned on.
Press the EPO button connected to the dry contact card or remove the 4-pin terminal from the
EPO port on the dry contact card.