Huawei FusionModule1000A40 Maintenance Manual page 143

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Impact on the System
The fire extinguishing system stops working during the replacement.
Prerequisites
Tools: Phillips screwdriver, protective gloves
Material: spare extinguishant control panel
Documents: documents delivered with the extinguishant control panel
Skill requirement: fire engineer
Before replacing the extinguishant control panel, 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.
Procedure
Step 1 Switch off the input circuit breaker of the extinguishant control panel.
Step 2 Remove the cables from the batteries, and take out the 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 pre-fab. module.
Step 5 Remove the screws using a Phillips screwdriver, and take out the faulty
extinguishant control panel.
Issue 04 (2021-02-10)
NO TICE
NO TE
Copyright © Huawei Technologies Co., Ltd.
5 Parts Replacement
136