Step 7 Install the new re alarm control panel in the same position.
Step 8 Put the corrugated pipes and cables back to the pre-fab. module, and reconnect
the cables according to labels.
Step 9 Install the batteries in the same position, and connect the cables in the same way.
Figure 4-91 Connecting battery cables
Step 10 Use a Phillips screwdriver to secure the battery fastening plates.
Figure 4-92 Installing the battery fastening plates
Step 11 Switch on the circuit breaker in the re extinguishing PDB.
Step 12 Switch on the active and standby power supplies to the re alarm control panel.
Step 13 Check that the new re alarm control panel is working properly.
If the power indicator is on and the alarm indicator is o, the re alarm control panel is
working properly.
----End
Follow-up Procedure
Dispose of the removed re alarm control panel that is conrmed faulty.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 142
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