FusionModule1000A40 ICT Solution
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-03-05)
Copyright © Huawei Technologies Co., Ltd.
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Documents: fire extinguishing device layout diagram (standard)
Skill requirement: fire engineer
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the smoke 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
Switch off the active and standby power supplies to the fire alarm control panel.
Step 2
Hold the smoke detector, and rotate it counterclockwise to remove it from the base.
Figure 4-62
Removing a smoke sensor
Step 3
Remove cables from the base using a Phillips screwdriver.
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.
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.