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

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
Step 3 Remove the cables from the fire alarm bell.
Step 4 Remove screws from the fire alarm bell base using a Phillips screwdriver, and
remove the base.
Step 5 Install the new base in the same way, connect the cables, and install the cover.
Step 6 Switch on the input circuit breaker of the extinguishant control panel, and connect
the battery cables.
Step 7 Check whether the new fire alarm bell is working properly.
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6.4.7 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
● Before replacing the extinguishant abort button, inform the related
administrative departments of the temporary downtime of the fire
extinguishing system. After the replacement, inform the administration
department that the system has become operational.
Issue 03 (2022-12-15)
NO TE
As a terminal resistor is connected to the last fire alarm bell in the loop in parallel, remove
the terminal resistor from the faulty fire alarm bell, and connect the resistor to the new fire
alarm bell when you replace the fire alarm bell.
Flip the key to Enable Control rightward, and set the access level of the
extinguishant control panel to 2.
Press Silence/Sound Alarm to start or abort the fire alarm bell.
NO TE
If the alarm bell starts and aborts normally, and rings loud and clear when it is started, the
alarm bell is working properly.
Reset the key to Enable Control by flipping it leftward.
NO TICE
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6 Parts Replacement
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