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