Huawei UPS5000-E Series - 5.7 Transferring to Maintenance Bypass Mode

UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
5 Operations
Issue 11 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
232
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Installing a lock on the maintenance bypass switch is advised. The lock core has a
diameter of 5–10 mm.
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Strictly observe the following procedure to transfer the UPS to maintenance bypass mode.
Otherwise, loads may power off.
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In maintenance bypass mode, the mains supplies power to the loads directly over the
maintenance bypass. If the mains is not normal, the loads may power off.
Procedure
Step 1 Transfer the UPS to the bypass mode.
Step 2 Close the maintenance bypass switch by performing the following actions according to the
UPS version being used:
Figure 5-16 Closing the maintenance bypass switch (UPS5000-E-200K-SM)