SYSTEM SENSOR D4S 14/01 Refer to an applicable control

Refer to an applicable control panel literature for details

The output circuit energizes a riser to operate polarized audible and visual signals

Clear Strobe

An open circuit on the loop initiates a trouble and a short initiates an alarm

Degree Of Protection NEMA

SYSTEM SENSOR D4S 14/01 Refer to an applicable controlThe InnovairFlex D4120 4 wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of 4F to 158F, and a humidity range of 0 to 95 percent (non condensing). A plug in sensor head offers improved false alarm immunity and