Fire Extinguishing System (Ce); Other Systems - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide

4.4.3 Fire Extinguishing System (CE)

Table 4-9 Quarterly maintenace checklist for the fire extinguishing system
Extinguisha Operation
nt control
panel
batteries
Extinguishant 1. Switch off the
control panel power input
batteries circuit breaker of
the fire alarm
control panel so
that the batteries
power the panel.
2. Measure the
battery voltage
using a
multimeter.
Hand-held Check the hand-held
fire fire extinguisher.
extinguisher

4.4.4 Other Systems

Table 4-10 Quarterly maintenance checklist for other systems
Item Method
Ventilation Check whether the
vent air filter filter is blocked.
Pre-fab. Check the pre-fab.
module body module.
Issue 03 (2022-12-15)
Check Standard
1. The extinguishant control
panel reports a power
supply fault.
2. The battery voltage is 24±1
V DC.
The hand-held fire
extinguisher is in good
condition.
The pressure pointer of the
hand-held fire extinguisher is
in the green zone.
The fire extinguisher is within
the validity period.
Check Standard
The air filter is
not blocked.
The pre-fab.
module is clean.
Copyright © Huawei Digital Power Technologies Co., Ltd.
4 Routine Maintenance
Maintenance Guide
Replace the extinguishant
control panel batteries.
Replace the hand-held
fire extinguisher.
Troubleshooting
If an air filter is slightly blocked, clean
the air filter and reinstall it. If more
than 50% of the meshes are blocked,
replace the air filter.
1. Clean the pre-fab. module using a
long-handled soft brush and
alkaline or neutral detergent.
2. Wash the pre-fab. module with
clean water.
48