Reshaping Duct Smoke DetectionThe System Sensor line of duct smoke detectors offers testing and inspection features to meet any code. With an inutitive designand simplifed feature set, the DUCTSD is ideal for many standard applications. For complex applications the 2:1 sensor-to-powercapability of the D4120 allows a single power board to monitor sensors installed in both the supply and return. The easily accessible Smoke Test Port (on DUCTSD model only) and Test/Reset button (included on DUCTSD and D4120) simplifi es testing for conventional 4-wire models. Plus, the fl exible housing overcomes mounting constraints by adjusting to fi t a broad range of applications. System Sensor provides increased fl exibility with a variety of accessories, including two remote test stations and several different means of visible and audible system annunciation. All duct smoke detectors and accessories are UL listed.
Resource DocumentsHVBR630 HVAC Products Brochure