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4.4
Gaseous Extinguishing Control Module
The gaseous extinguishing control module is available to use as an option in FT1020G3.
The gas module provides outputs to drive the following:
A combination of Brooks Warning Signs
•
•
Brooks Local Control Station (LCS)
Voice / Tone Electronic Sounder
•
•
Dual Strobe Module
The gas control module combined with other Brooks system components has been
designed to provide monitoring and control functions of a complete gaseous extinguishing
system that conforms to the requirements of the relevant clauses 7.1 to 7.6 of the Australian
Standard AS4214-2002 (including amendment 1). For more details, refer to FT2GAS
Operation / Technical Manual MA400.
The gaseous extinguishing front display is shown in Figure 5. All LED indicators on the
front display are covered by a polycarbonate decal clearly labelled with their functions.
When the system is in normal condition, all LED indicators will be extinguished.
The gaseous extinguishing system status LEDs and flash patterns are described in Table 11
below be. The default state of the LED indicators is OFF, if it is not defined in the table.
Table 11 Gas Front Status LED Indication and flash Pattern
Type
LED Name
1st Alarm - Red
2nd Alarm – Red, Timer
Running
Alarm
Gas Initiated - Red
Gas Externally Released - Red
Gas Discharged - Blue
Fault
Gas Fault - Yellow
Gas Discharge Inhibited -
Yellow
Gas Discharge Disabled -
Yellow
Disable
Service Switch Active - Yellow
Service, Master Abort
Figure 5 Gas Extinguishing Display Layout
Module Conditions
One zone or zone address in alarm
Both zones or zone addresses in alarm
Gas release output activated
External gas release control activated
Gas discharged sensor input activated
Fault in any of the supervised inputs or
outputs
Gas discharge inhibited via LCS isolate switch
Gas discharge disabled by the service master
abort switch or the gas lock-off valve controls
Illuminates when the master abort switch
is activated
Gas service master abort switch
26
Operation Manual
FT1020G3 Rev 2.10.4
LED
Pattern
Fast Flash
Steady ON
Steady ON
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