* Automatic detection of smoke or fire.
* Automatic sounding of local alarm inviting attention of nearby available persons to extinguish fire by using fire extinguishers/ equipment kept in the premises.
* Auxiliary relay contact for activation of peripheral equipments like Auto Dialer, Auto Flooding System, Power Off etc.
* Features And Specification As Per BS: 2189 - 1988
* Full Featured Built In Testing Facility
* Four Zone With Plug-In Card For Easy Servicing
* Fully Protected Power Supply With Built In charger
* Supports All Type Of Smoke And Heat Detectors
* Built In Noise Reduction Circuit For Avoiding False Alarm
* Full Featured Fault Annunciation System With Ack. & Reset Facility
* Proven Field Tested Design
* High MTBF

Specifications
ELECTRICAL
Supply Voltage	230 Volt ± 10 % A.C
Battery Backup	24 Volt, 7 Ah (External)
Battery Charger	Constant Current
System Voltage	24 Volt
End Of Line Resistance	4K7 Ohm
Open Detection Threshold	> 91.1% Of System Voltage
Fire Detection Threshold	> 10.8% And < 51.0% Of System Voltage
Short Detection Threshold	< 10.8% Of System Voltage
PROTECTION
A.C Fuse	1.0 Amp
D.C Fuse	2.0 Amp
Battery Fuse	5.0 Amp
AUDIO-VISUAL ALARM
AUDIO-VISUAL ALARM	A.C Fail D.C Fail Charger Fail Battery Open Battery Low Zone Isolation Zone Input Short Zone Input Open
INPUT	Maximum 25 Sensors In Each Zone (Two Wire)
OUTPUT	For Hooter (24 Volt, 2 Amp Max.) Aux. Relay Change-Over Contact
TESTING	Full Featured Testing Of All Zones For Simulated Fire, Open and Short
PHYSICAL
Colour	Red
Enclosure	16 Gauge Cold Rolled Steel Sheet
Dimensions	310mm x 295mm x 165mm
ENVIRONMENTAL
Operating Temp.	0°C to 55°C
Max. Humidity	95% non condensing