Huawei FusionDC1000A Maintenance Manual page 163

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Preparations
Tools: Phillips screwdriver, protective gloves
Material: spare extinguishant abort button
Documents: fire extinguishing drawings and parameters
Skill requirement: fire engineer
Before replacing the extinguishant abort button, inform the related administrative
departments of the temporary downtime of the fire extinguishing system. After
the replacement, inform the administration department that the system has
become operational.
Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the
extinguishant control panel.
Step 2 Remove the screws on the panel of the extinguishant abort button using a Phillips
screwdriver.
Figure 4-102 Removing the extinguishant abort button
Step 3 Disconnect the cables from the extinguishant abort button, and remove the panel
of the extinguishant abort button.
Issue 01 (2021-04-20)
NO TICE
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4 Parts Replacement
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