Replacing A Heat Detector (Ce) - Huawei FusionModule1000A40 Maintenance Manual

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Step 3 Remove cables from the base.
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 Insert the new smoke detector into the base, and rotate it clockwise until it locks
in position.
Step 7 Switch on the input circuit breaker of the extinguishant control panel, and connect
the battery cables.
Step 8 Check that the new smoke detector is working properly.
If the red indicator blinks once every 6s, the smoke detector is working properly.
----End

5.4.2.2 Replacing a Heat Detector (CE)

Prerequisites
A spare heat detector of the same model is available and functional.
Impact on the System
The fire extinguishing system stops working during the replacement.
Prerequisites
Tools: protective gloves, step ladder, Phillips screwdriver
Material: spare heat detector
Document: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
● Before replacing the heat detector, inform the related administration
department of the temporary downtime of the fire extinguishing system. After
the replacement, inform the administration department that the system has
become operational.
Issue 04 (2021-02-10)
NO TE
As a terminal resistor is connected to the last smoke detector in the loop in parallel, remove
the terminal resistor from the faulty smoke detector, and connect the resistor to the new
smoke detector when you replace the smoke detector.
NO TE
NO TICE
Copyright © Huawei Technologies Co., Ltd.
5 Parts Replacement
121