Huawei FusionModule1000A20 Maintenance Manual page 50

FusionModule1000A20 CT Solution
Maintenance Guide
Device
Extinguisha
nt abort
button
Horn strobe
VESDA
Issue 01 (2019-02-25)
Operation Check Standard
1. After the 1. After the
manual gas
release button is
pressed on the
extinguishant
control panel,
the gas release
2. After the
countdown
starts. Then,
press the
extinguishant
abort button.
2. Reset the
extinguishant
abort button by
rotating it
counterclockwi
se.
Press the manual The horn strobe
gas release button generates glaring
on the flashes and shrill
extinguishant alarms.
control panel.
Check the VESDA The supports and
sampling pipes. connectors of the
sampling pipes are
securely connected.
Remove or block a An alarm is
sampling pipe. generated.
Release smoke to The VESDA
the furthest end of generates an alarm in
a VESDA 120s.
sampling pipe.
The VESDA panel
displays an alarm.
Check the VESDA All indicators are
operation panel. normal.
Check whether the The backup power is
backup power is working properly,
working properly, and the VESDA
and whether the restarts normally
VESDA restarts after the mains power
normally after the is disconnected.
mains powered is
disconnected.
Copyright © Huawei Technologies Co., Ltd.
Maintenance Guide
Replace by following
extinguishant
instructions in 5.4.1.7
abort button is
Replacing the Extinguishant
pressed, the gas
Abort Button (CE).
release
countdown stops.
extinguishant
abort button is
reset, the gas
release
countdown starts
from zero again.
For details, see 5.4.1.4
Replacing an Internal Horn
Strobe (CE) or 5.4.1.5
Replacing an External Horn
Strobe (CE).
Replace damaged sampling
pipes, and apply glue where
pipes are not well sealed.
See documents delivered with
the VESDA.
See documents delivered with
the VESDA.
See documents delivered with
the VESDA.
See documents delivered with
the VESDA.
See documents delivered with
the VESDA.
3 Routine Maintenance
43