Replacing A Fire Alarm Bell (Ce) - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide

6.4.6 Replacing a Fire Alarm Bell (CE)

Prerequisites
A spare fire alarm bell of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: hex key, Phillips screwdriver, protective gloves, step ladder
Materials: spare horn strobe
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
● Before replacing the fire alarm bell, 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 screws securing the fire alarm bell using a hex key, and remove the cover.
Figure 6-31 Removing a fire alarm bell
Issue 03 (2022-12-15)
NO TICE
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6 Parts Replacement
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