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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.
70
Preparations
Tools: protective gloves, step ladder
Materials: spare extinguishant control panel batteries
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
Procedure
Step 1
Remove the battery cables from the extinguishant control panel.
Step 2
Remove the extinguishant control panel batteries.
Step 3
Install the spare batteries to the proper position of the extinguishant control panel.
Step 4
Connect battery cables to the extinguishant control panel in the same way.
Figure 4-36
Connecting battery cables
Distinguish the positive and negative battery terminals when connecting battery cables.
----End
4.4.9 Replacing a Fire Cylinder (CE)
Prerequisites
A spare fire cylinder of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: pipe wrench, pallet truck, Phillips screwdriver, adjustable wrench, protective gloves
Materials: spare fire cylinder, sealing tape