Extinguishing Panel - INSTRUCTION MANUAL
Approved Document No: GLT.MAN-124
PAGE 9
Issue : 1 Author: NRPJ Date: 15/11/2007
First Stage Alarm
On detection of a “FIRE” in either Zone 1 or Zone 2, the zone fire LED will be
illuminated and the internal buzzer will be on. The first stage LED and first stage
sounder will be on. The first stage relay output will be active.
To silence the sounder, turn the keyswitch to ON position, and press silence button.
The panel’s internal tone and fire LEDs will remain active until the cause of the alarm
has been removed, and the panel has been reset
A first stage alarm can be created manually by turning the keyswitch to the on
position and pressing the 1
st
STAGE ALARM button.
A first stage alarm can be silenced & reset when the panel is in automatic or manual
mode.
Second Stage Alarm
As soon as a “FIRE” is detected in the second Zone, the second stage alarm is
initiated. The second stage sounder will be pulsed on for 1 second, then off for 1
second. This will be repeated as the timer counts down. The two-zone alarm LEDs
will be illuminated as well as first stage alarm, second stage alarm and Gas Imminent
LEDs. The second stage cannot be silenced and after a delay period, (user
programmable) the extinguishing output will be initiated releasing the extinguishing
agent, and the second stage sounder will now be on constantly. This will be followed
by the “GAS FIRED” indication, indicating that the extinguishing agent has been
released.
Once the second stage alarm has been initiated, it is advisable to evacuate and Seal
the protected area prior to the release of the extinguishing agent.
Operation of the “Manual Release” call point will initiate the second stage alarm. Lift
the flap and push the operating element.
A second stage alarm can only be silenced & reset when the panel is in manual
mode.
Hold / Abort a Second Stage Alarm
If the hold or abort input is activated during a second stage alarm, the second stage
sounder will now pulse on for 0.5 seconds, then be off for 2 seconds, and will repeat.
If a hold input is used, the panel will revert to it`s programmed countdown when the
input is released. If an abort input is used, the panel will abort the gas release, and
the panel will need to be reset.
Manual Mode
In this mode operation, Zone Fire and Fault alarms are still in operation, and first &
second stage sounders will operate, but the bottle output to the extinguishing agent
will not operate.
