
FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
25
Device
Operation
Check Standard
Maintenance Guide
by flipping it leftward.
Warning sign
Pull up the reset button
on the pneumatic
switch.
The warning sign indicator
is on.
Replace the warning sign.
Heat detector
Heat the heat detector
using a heating device.
The temperature alarm
threshold is 50°C to 65°C.
1.
If the temperature is
below the alarm
threshold, the alarm
indicator blinks once
every 6s.
2.
If the temperature is
above the alarm
threshold, the indicator
turns on. The
extinguishant control
panel generates an
alarm and triggers the
fire alarm bell.
Replace the heat detector.
Smoke
detector
Release smoke onto the
smoke detector using a
smoke pistol.
The indicator is steady on
and the extinguishant
control panel raises a
corresponding alarm and
triggers the fire alarm bell.
Replace the smoke detector.
Extinguishant
abort button
1.
After the manual gas
release button is
pressed on the
extinguishant
control panel, the
gas release
countdown starts.
Then, press the
extinguishant abort
button.
2.
Reset the
extinguishant abort
button by rotating it
counterclockwise.
1.
After the extinguishant
abort button is pressed,
the gas release
countdown stops.
2.
After the extinguishant
abort button is reset,
the gas release
countdown starts from
zero again.
Replace the extinguishant abort
button.
Horn strobe
Press the manual gas
release button on the
extinguishant control
panel.
The horn strobe generates
shrill alarm sound and
flashing signals after the
countdown ends.
Replace the horn strobe.
VESDA
Check the VESDA
sampling pipes.
The supports and
connectors of the sampling
pipes are securely
connected.
Replace damaged sampling pipes,
and apply glue where pipes are not
well sealed.
Remove or block a
sampling pipe.
An alarm is generated.
See documents delivered with the
VESDA.