Transferring To Maintenance Bypass Mode - Huawei UPS5000-A-30KTTL User Manual

UPS5000-A-(30 kVA-120 kVA)
User Manual
Shut down the UPS inverter on the LCD or WebUI, and the UPS transfers to bypass
mode.

9.3 Transferring to Maintenance Bypass Mode

Prerequisites
● Strictly observe the following procedure to transfer the UPS to maintenance
● In maintenance bypass mode, the mains supplies power to the loads directly
Procedure
Step 1 Transfer the UPS to bypass mode.
Step 2 Turn on the maintenance bypass switch.
1.
2.
Issue 17 (2024-02-21)
NO TE
If you shut down the inverter when the bypass input voltage or frequency exceeds the
specified threshold, the UPS supplies no power, and the loads are powered off.
NO TICE
bypass mode. Otherwise, loads may experience power failures.
over the maintenance bypass. If the mains is abnormal, the loads may power
off.
If the maintenance bypass switch is locked, unlock it first.
Rotate the maintenance bypass switch to the ON position. The system
transfers to maintenance bypass mode.
Figure 9-1 Turning on the maintenance bypass switch (30 kVA/40 kVA)
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