Huawei FusionModule1000A40 ICT Solution Maintenance Manual page 144

FusionModule1000A40 ICT Solution
Maintenance Guide
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Procedure
Step 1 Switch off the active and standby power supplies to the fire alarm control panel.
Figure 4-79 Switching off the active and standby power supplies
Step 2 Disconnect the interconnection cables between the electromagnetic valve and the fire alarm
control panel, as shown in Figure 4-80. Disconnect cables from the electromagnetic valve, as
shown in Figure 4-81.
Issue 01 (2019-03-05)
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the fire cylinder, inform the related administrative departments of the
temporary downtime of the fire extinguishing system. After the replacement, inform the
administration department that the system has become operational.
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4 Parts Replacement
137