Huawei FusionDC1000A Maintenance Manual page 56

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Device Method
Warning sign Open the cover of
the pneumatic
switch. Press the test
button on the
pneumatic switch to
short-circuit the
cables inside to
simulate an
extinguishant
release.
Heat Heat the heat
detector detector using a
heating device.
Smoke Release smoke onto
detector the smoke detector
using a smoke pistol.
Extinguishant 1. After the manual
abort button 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.
Horn strobe Press the manual gas
release button on the
extinguishant control
panel.
Issue 01 (2021-04-20)
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.
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.
48