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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Before replacing the extinguishant control panel, 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 normal.
Procedure
Step 1
Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant
control panel.
Step 2
Move out the extinguishant control panel batteries.
Figure 5-77
Removing the extinguishant control panel batteries
Step 3
Remove all cables connected to the terminals on the extinguishant control panel.
While removing the cables, label the cables with their corresponding port numbers for later connection.
Step 4
Remove the corrugated pipes and cables from the box.
Step 5
Remove the screws using a Phillips screwdriver, and take out the faulty extinguishant control
panel.