Replacing A Heat Detector (Ce) - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 CT Solution
Maintenance Guide
Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2 Hold the smoke detector, and rotate it counterclockwise to remove it from the base.
Figure 5-33 Removing a smoke sensor
Step 3 Remove cables from the base using a Phillips screwdriver.
Step 4 Remove the screws on the base using a Phillips screwdriver, and remove the base.
Step 5 Install the new base to the same position, and reconnect the cables.
Step 6 Insert the new smoke detector into the base, and rotate it clockwise until it locks in.
Step 7 Switch on the input circuit breaker of the extinguishant control panel, and connect the cables
to the battery.
Step 8 Check whether the new smoke detector is working properly.
----End
Follow-up Procedure
Dispose of the removed smoke detector that is confirmed faulty.

5.4.1.2 Replacing a Heat Detector (CE)

Prerequisites
A spare heat detector of the same model is available and functional.
Issue 01 (2019-02-25)
As a terminal resistor is connected to the last smoke detector in the loop in parallel, remove the terminal
resistor from the faulty smoke detector, and connect the resistor to the new smoke detector when you
replace the smoke detector.
If the red indicator blinks once every 6s, the smoke detector is working properly.
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5 Parts Replacement
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