Huawei FusionModule1000A20 Maintenance Manual page 117

FusionModule1000A20 CT Solution
Maintenance Guide
Materials: spare horn strobe
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
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Figure 5-38 Position of the 2ND STAGE NO terminal
Procedure
Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2 Remove screws from the horn strobe cover using a Phillips screwdriver, and remove the
cover.
Issue 01 (2019-02-25)
For the diagrams, see the initial configuration parameter manual for the solution in use.
Before replacing the horn strobe, inform the related administrative departments of the
temporary downtime of the fire extinguishing system. In addition, remove the cable
connected to the 2ND STAGE NO terminal on the extinguishant control panel to disable
the linkage control function. After the horn strobe is replaced, reconnect the cable to the
2ND STAGE NO terminal on the extinguishant control panel to enable the linkage control
function, and inform the administrative departments that the system has become
operational.
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5 Parts Replacement
110