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FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
76
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4.4.12 Replacing Batteries for the VESDA Power Box
Prerequisites
Spare VESDA power box batteries of the same model are available and functional.
Impact on the System
None
Preparations
Tools: Phillips screwdriver, protective gloves
Materials: spare VESDA power box batteries
Documents: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer
Procedure
Step 1
Move the VESDA power box batteries to the installation position indicated on the fire
extinguishing device layout diagram.
Step 2
Switch off the standby power supply for the VESDA.
Figure 4-42
Switching off the standby power supply