POLYGON offers Duct Smoke Detector, specially designed for reliable detection of smoke in HVAC ducts.
It consists of a Smoke Sensor, Entry Sampling Tube, Exit Tube, Sampling Chamber & interfacing module.
It can be used for any cross sections of ducts viz. square, rectangular, round etc.
It is provided with a DIN Rail mount Interface module which has a built-in Buzzer and LED indication that switches ON when smoke is detected. It has 2 potential free contacts – one for giving feedback to BMS system for operating fire dampers & shutting off the HVAC system & the other for connecting External Sounder or giving feedback to Central Fire Alarm System.
One model is also available for use in Hazardous environment.
Interface Module -
Power Supply: 24 VAC/ VDC.
Output: 2 nos Potential Free Contacts 24VDC, 2.5A rating.
LED Indications:
Green LED for Active Indication
Red LED for Smoke Indication.
Built-in Buzzer for Smoke Alarm.
Alarm Reset Push Button.
Mounting – DIN Rail Mount.
SAMPLING System -
Mounting: Duct mounting.
Sampling Tubes – Anodized Aluminium 19mm dia of length suitable for Duct (Pls. specify Duct size at the time of ordering).
Sampling Chamber – 160X250X90 ABS enclosure with Transparent
Polycarbonate Cover.
SMOKE Detector with Base
Detector –SIEMENS/SYSTEM
Base – SIEMENS/SYSTEM
Principle – Photo Electric Detection.
Tri Color LED provide for local & visual indication.
Operating Conditions - Temperature 0˚C to 49˚C, Humidity upto 95% non-condensing
