Huawei FusionModule1000A40 Maintenance Manual page 42

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Table 3-16 Semi-annual maintenance checklist for the fire extinguishing system
Device Method
Fire Commission the fire
extinguishing extinguishing system by
system following the
commissionin instructions in the Fire
g Extinguishing System
Commissioning
(Standard) section in
the commissioning guide
for the solution in use.
Gas release Disconnect the red and
indicator black cables from the
pressure announciator,
and short-circuit the
cables from the fire
alarm control panel to
the pressure
announciator.
Heat detector Heat the heat detector
using a heating device.
Smoke Release smoke onto the
detector smoke detector using a
smoke pistol.
Fire alarm When the heat detector
sounder or smoke detector
generates an alarm, the
fire alarm bell generates
a harsh sound.
Issue 04 (2021-02-10)
Check Standard
Devices work properly, and the
management system displays
related alarms.
The gas release indicator is
steady on.
If the temperature is below the
alarm threshold (54–70°C), the
gas release indicator blinks
once every 6s.
If the temperature exceeds the
alarm threshold, the gas
release indicator is steady on.
The fire alarm control panel
generates an alarm and
triggers the fire alarm sounder.
If the smoke density is below
the alarm threshold, the alarm
indicator blinks once every 6s.
If the smoke density exceeds
the alarm threshold, the
indicator turns on. The fire
alarm control panel generates
an alarm and triggers the fire
alarm sounder.
The alarm is loud and clear.
Copyright © Huawei Technologies Co., Ltd.
3 Routine Maintenance
Troubleshooting
If a fire
extinguishing
system component
is abnormal, replace
it by referring to
"Replacing Fire
Extinguishing
System Parts."
Replace the gas
release indicator.
If the fault persists,
replace the heat
detector.
If the fault persists,
replace the heat
detector.
Replace the smoke
detector.
If the fault persists,
replace the smoke
detector.
1. Check and
reconnect cables
to the fire alarm
sounder.
2. If the fault
persists, replace
the fire alarm
sounder.
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