UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
Copyright © Huawei Technologies Co., Ltd.
Installing a lock on the maintenance bypass switch is advised. The lock core has a
diameter of 5–10 mm.
Strictly observe the following procedure to transfer the UPS to maintenance bypass mode.
Otherwise, loads may power off.
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)
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