UPS5000-S-880 kVA
User Manual (CMI)
5 Operations
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
154
5
Operations
5.1 Powering On and Starting the UPS
5.1.1 Powering On the UPS
Prerequisites
Measure the voltage and frequency of the UPS upstream input switch. The line voltage range
is 138–485 V AC, and the frequency range is 40–70 Hz.
Context
The following operations are applicable to a single UPS. For parallel systems, contact
Huawei technical support.
Before powering on the UPS, ensure that the UPS has passed all check items in the
section "Verifying the Installation."
Before powering on the UPS, ensure that all the UPS switches and upstream switch are
OFF.
Procedure
Step 1
Turn on the upstream bypass and mains input switches.
Step 2
After the UPS is powered on, initialization begins. The MDU displays the Huawei logo and
an initialization progress bar.
----End
5.1.2 Starting the Inverter
Table 5-1
UPS system user list
Default User
Preset Password
admin (administrator)
LCD
000001
WebUI
Changeme