Replacing A Fire Alarm Bell (Ce) - Huawei FusionModule1000A40 Maintenance Manual

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Step 4 Remove screws from the horn strobe using a Phillips screwdriver, and remove the
base.
Step 5 Reconnect the cables. Install the new base and cover.
Figure 5-72 Connecting cables
Step 6 Switch on the input circuit breaker of the extinguishant control panel, and connect
the battery cables.
Step 7 Check that the new horn strobe is working properly.
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5.4.2.6 Replacing a Fire Alarm Bell (CE)

Prerequisites
A spare fire alarm bell of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Issue 04 (2021-02-10)
Disconnect the wiring terminals from the electrical actuator on the fire
cylinder.
NO TE
After the wiring terminals are disconnected from the electrical actuator, the extinguishant
control panel generates an alarm, which is normal.
Press the manual gas release button on the extinguishant control panel.
NO TE
That the horn strobe is triggered indicates that the horn strobe works properly.
Reset the manual gas release button.
Flip the key Enable Control counterclockwise (rightward). Reset the
extinguishant control panel by pressing Reset on it. Then, reset the key
Enable Control clockwise (leftward).
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5 Parts Replacement
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