Replacing Fire Extinguishing System Components (Ce); Replacing A Smoke Detector (Ce) - Huawei FusionModule1000A40 Maintenance Manual

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide

5.4.2 Replacing Fire Extinguishing System Components (CE)

5.4.2.1 Replacing a Smoke Detector (CE)

Prerequisites
A spare smoke detector of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Prerequisites
Tools: protective gloves, step ladder, Phillips screwdriver
Material: spare smoke detector
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
Before replacing the smoke detector, inform the related administration
department 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 Hold the smoke detector by hand, and rotate it counterclockwise to remove it
from the base.
Figure 5-67 Removing a smoke detector
Issue 04 (2021-02-10)
NO TICE
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