4
Operations
4.1 Powering On and Starting the UPS
4.1.1 Powering On the UPS
Prerequisites
Measure the voltage and frequency of the UPS upstream input switch. Voltage
range: 138–485 V AC (line voltage); frequency range: 40–70 Hz.
Context
●
The following operations are applicable to a single UPS. For parallel systems,
contact technical support.
●
Before power-on, ensure that the devices have passed all check items in the
section "Verifying the Installation."
●
Before power-on, ensure that all the UPS switches and upstream switches are
OFF.
Procedure
Step 1 Turn on the upstream bypass and mains input switches.
Step 2 (Optional) If a surge protective module is configured, turn on its switch.
Step 3 Turn on the UPS bypass input switch, mains input switch, and output switch.
After the UPS is powered on, initialization begins. The MDU displays the
initialization progress bar.
----End
4.1.2 Initial Startup
UPS5000-E-(30 kVA–120 kVA)-FM
User Manual
4 Operations
Issue 03 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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