System Sensor | DNRW
Duct Detector Photoelectric Nema 4 Watertight
The System Sensor DNRW is a watertight, intelligent non-relay photoelectric duct smoke detector from the InnovairFlex series. Designed for challenging environments, it features a NEMA 4-rated enclosure, providing protection against windblown dust, rain, and hose-directed water. The DNRW operates effectively in air velocities from 100 to 4,000 feet per minute, temperatures ranging from -4°F to 158°F, and humidity levels up to 95% non-condensing. Its pivoting housing fits both square and rectangular footprints and accommodates round or rectangular ductwork. The unit includes a cover tamper feature that signals a trouble condition if the cover is removed or improperly installed. Compatible with remote test accessories, the DNRW ensures reliable smoke detection in demanding HVAC applications.
Key Features:
• Watertight Enclosure: NEMA 4-rated for protection against environmental elements.
• Versatile Mounting: Fits square and rectangular footprints; suitable for round or rectangular ducts.
• Wide Operating Range: Air velocities from 100 to 4,000 ft/min; temperatures from -4°F to 158°F; humidity up to 95% non-condensing.
• Cover Tamper Detection: Alerts to improper installation or removal of the cover.
• Remote Testing Capability: Compatible with remote test accessories for convenient maintenance.