Replacing A Heat Detector (Ce) - Huawei FusionDC1000A Maintenance Manual

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)

4.5.2 Replacing a Heat Detector (CE)

Prerequisites
A spare heat detector of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: protective gloves, step ladder, Phillips screwdriver
Materials: spare heat detector
Documents: fire extinguishing drawings and parameters
Skill requirement: fire engineer
Before replacing the heat detector, inform the related administration department
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 Hold the heat detector, and rotate it counterclockwise to remove it from the base.
Figure 4-96 Removing a heat detector
Step 3 Remove cables from the base.
Issue 01 (2021-04-20)
NO TICE
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4 Parts Replacement
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