Replacing A Gas Release Indicator - Huawei FusionModule1000A40 Maintenance Manual

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide

5.4.1.5 Replacing a Gas Release Indicator

Prerequisites
A spare gas release indicator of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Prerequisites
Tools: Phillips screwdriver, protective gloves, step ladder, flat-head screwdriver
Material: spare gas release indicator
Document: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer
Before replacing the gas release indicator, 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 Switch off the active and standby power supplies to the fire alarm control panel.
Step 2 Remove the screws shown in
the panel.
Issue 04 (2021-02-10)
Figure 5-39 Connecting cables
NO TICE
Copyright © Huawei Technologies Co., Ltd.
Figure 5-40 using a Phillips screwdriver, and remove
5 Parts Replacement
99