Procedure
Step 1 Switch o the active and standby power supplies to the re alarm control panel.
Step 2 Hold the heat detector by hand, and rotate it counterclockwise to remove it from
the base.
Figure 4-67 Removing a heat detector
Step 3 Remove cables from the base using a Phillips screwdriver.
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, and reconnect the cables.
Step 6 Hold the heat detector body, align the heat detector indicator with the position
shown by (1) in Figure 4-68, and turn the detector body clockwise to the position
shown by (2) in Figure 4-68 to install the heat detector.
Figure 4-68 Reference line for heat detector installation
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 123
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