Replacing An Internal Horn Strobe (Ce) - Huawei FusionModule1000A20 Maintenance Manual

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FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide

6.4.4 Replacing an Internal Horn Strobe (CE)

Prerequisites
A spare horn strobe of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, step ladder
Materials: spare horn strobe
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
Before replacing the horn strobe, inform the related administrative departments of
the temporary downtime of the fire control 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 from the horn strobe cover using a Phillips screwdriver, and
remove the cover.
Figure 6-27 Removing the horn strobe cover
Step 3 Remove cables from the horn strobe.
Issue 03 (2022-12-15)
NO TICE
Copyright © Huawei Digital Power Technologies Co., Ltd.
6 Parts Replacement
105

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