FusionModule1000A40 ICT Solution
Maintenance Guide
4 Parts Replacement
Issue 01 (2019-03-05)
Copyright © Huawei Technologies Co., Ltd.
127
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the fire alarm horn/strobe, inform the related administrative departments
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
Pry open a seam at the top clip using a flat-head screwdriver to separate the top cover from
the base.
Figure 4-68
Removing a fire alarm horn/strobe
Step 3
Remove the two cables using a Phillips screwdriver.
When removing cables, clearly label the cables with its corresponding terminal ports.
Step 4
Remove the screws on the base using a Phillips screwdriver, and remove the base.
Step 5
Install the new fire alarm horn/strobe in the same position.
Step 6
Connect cables in the same way to the correct poles.
Connect the red wire to the 24+ terminal, and connect the black wire to the GND terminal.
Step 7
Install the top cover of the fire alarm horn/strobe.
Step 8
Switch on the active and standby power supplies to the fire alarm control panel, and check
whether the new fire alarm horn/strobe is working properly.