UPS5000-E-(40 kVA-320 kVA)
User Manual
5 Operations
Issue 10 (2015-09-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
150
The following operations are specified for a single UPS. For parallel systems, contact
Huawei technical support.
Before you power on the UPS, check that the UPS has passed all check items described in
section
3.4 Verifying the Installation
Before you power on the UPS, check that all external and internal switches are OFF
(except that the ready switches for the power module and bypass module are in locked
state).
shows the bypass module ready switch.
module ready switch.
Figure 5-1
Bypass module ready switch
Figure 5-2
Power module ready switch
Procedure
Step 1
Close the UPS input circuit breakers (bypass and mains input circuit breakers) on the input
PDC, or turn on the external input power distribution switch.
The UPS works in normal mode and starts initialization. The LCD displays the Huawei logo
and an initialization progress bar.