Replacing The Extinguishant Abort Button (Ce) - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 CT Solution
Maintenance Guide

5.4.1.7 Replacing the Extinguishant Abort Button (CE)

Prerequisites
A spare extinguishant abort button 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, protective gloves
Materials: spare extinguishant abort button
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
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Figure 5-46 Position of the 2ND STAGE NO terminal
Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Issue 01 (2019-02-25)
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the extinguishant abort button, inform the related administrative
departments of the temporary downtime of the fire extinguishing system. In addition,
remove the cable connected to the 2ND STAGE NO terminal on the extinguishant control
panel to disable the linkage control function. After the extinguishant abort button is
replaced, reconnect the cable to the 2ND STAGE NO terminal on the extinguishant
control panel to enable the linkage control function, and inform the administrative
departments that the system has become operational.
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5 Parts Replacement
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