Figure 4-70 Removing the screws
Step 3 Remove the cables using a at-head screwdriver and label the cables.
Step 4 Remove the screws on the base using a Phillips screwdriver, and remove the base.
Step 5 Install the new base in the same position.
Step 6 Reconnect cables in the same way.
Step 7 Secure the panel to the base.
Step 8 Switch on the active and standby power supplies to the re alarm control panel.
Step 9 Check that the new gas release indicator is working properly.
1. Disconnect the red and black cables from the pressure announciator, as
shown by (1) in Figure 4-71.
2. Short-circuit the cables from the re alarm control panel to the pressure
announciator, as shown by (2) in Figure 4-71.
If the gas release indicator turns on, it is working properly.
Figure 4-71 Short-circuiting the pressure announciator
(1) Red and black cables to the pressure
announciator
(2) Cables to the re alarm control panel
----End
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 126
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