FusionModule1000A20 CT Solution
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-02-25)
Copyright © Huawei Technologies Co., Ltd.
43
Device
Operation
Check Standard
Maintenance Guide
Extinguisha
nt 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
counterclockwi
se.
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 by following
instructions in 5.4.1.7
Replacing the Extinguishant
Abort Button (CE).
Horn strobe
Press the manual
gas release button
on the
extinguishant
control panel.
The horn strobe
generates glaring
flashes and shrill
alarms.
For details, see 5.4.1.4
Replacing an Internal Horn
Strobe (CE) or 5.4.1.5
Replacing an External Horn
Strobe (CE).
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.
Release smoke to
the furthest end of
a VESDA
sampling pipe.
The VESDA
generates an alarm in
120s.
See documents delivered with
the VESDA.
The VESDA panel
displays an alarm.
See documents delivered with
the VESDA.
Check the VESDA
operation panel.
All indicators are
normal.
See documents delivered with
the VESDA.
Check whether the
backup power is
working properly,
and whether the
VESDA restarts
normally after the
mains powered is
disconnected.
The backup power is
working properly,
and the VESDA
restarts normally
after the mains power
is disconnected.
See documents delivered with
the VESDA.