Replacing A Fire Alarm Bell (Ce) - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide

6.5.6 Replacing a Fire Alarm Bell (CE)

Prerequisites
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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
Documents: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
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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.
Issue 02 (2017-01-10)
A fire alarm bell needs to be replaced.
A spare fire alarm bell of the same model is available and functional.
For the diagrams, see the initial configuration parameter manual for the solution in use.
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.
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6 Parts Replacement
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