System Sensor 4WITAR-B EngSpec

Product Smoke Detector Specifications detector shall be a System Sensor i3 Series model number 4WITAR B listed to Laboratories UL 268 for Fire Protection Signaling Systems The detector shall be a photoelectric thermal equipped with an isolated thermal sounder relay The detector include a mounting base for mounting to 3 and 4 inch octagonal single gang and 4 square back boxes with a plaster ring or direct mount to the ceiling using drywall anchors connections shall be made by means of SEMS screws The detector shall allow pre wiring the base and the head shall be a plug in type The detector shall have a nominal sensitivity of per foot nominal as measured in the UL smoke box The detector shall be capable of adjusting its sensitivity by means of drift compensation and smoothing algorithms detector shall provide dual color LED indication which blinks to indicate power up normal out of sensitivity alarm and freeze trouble conditions Specifications Operating Voltage shall be Nominal 12 24V non polarized Minimum 8.5V Maximum 35V Maximum Ripple Voltage shall be 30 peak to peak of applied voltage The Standby Current be 50 maximum average The Maximum Alarm Current shall 50 mA The Alarm Contact shall be 0.5 A 30V AC DC Specifications 4WITAR B dimensions including base shall be 5.3 inches 134 mm diameter 2.0 inches mm height The approximate detector weight shall be 7.1 oz 200 grams The Operating Range shall be 32 0 The Operating Humidity Range shall be to 95 RH non condensing The Thermal Sensor shall be 135 57.2 fixed The Freeze shall be 41 5 The Sensitivity shall be 2.5 ft nominal The Input Terminals shall 14 AWG options for the 4WITAR B detector include 3 octagonal back box 4 inch back box Single gang back box 4 inch square back box with a plaster ring or direct to ceiling Modes Power up the Green LED shall blink every 10 seconds the Red LED shall blink every 10 In Normal standby mode the Green LED shall blink every 5 seconds the Red LED be off In Out of sensitivity mode the Green LED shall be off the Red LED shall blink every seconds In Freeze trouble mode the Green LED shall be off the Red LED shall blink every 10 In Alarm mode the Green LED shall be off the Red LED shall be solid 2009