FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
5 Components Replacement
Issue 04 (2018-01-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Materials: spare smoke detector
Document: fire extinguishing device layout diagram (CE)
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
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 5-82
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.
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.