WebThe InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or … WebWARNING: Duct smoke detectors have specific limitations. DUCTSMOKEDETECTORSARE: NOT a substitute for an open area smoke detector, NOT a substitute for early warning detection, and NOT a replacement for a building’s regular fire detection system. Refer to NFPA 72, 90A and CAN/ULC S524 for additional duct …
D4120 Duct Smoke Detector - Honeywell
WebWith its unmatched flexibility, InnovairFlex can adjust to fit any application. 4-Wire Photoelectric, integrated low-flow technology. Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec) Versatile mounting options: square or rectangular configuration. Plug-in sensor and latest sensor technology help prevent false alarms. WebSystem Sensor Convention 4-wire Duct Smoke Detector D4120 Wiring Instructions Kyle J. Schuler, SET 2.8K subscribers Subscribe 158 85K views 9 years ago screened in porch nashville
System Sensor D4120 InnovairFlex 4-Wire Photoelectric Duct …
WebAn improved cover design isolates the sensor head from the low-flow feature for simple maintenance.The InnovairFlex D4120W watertight 4-wire photoelectric duct smoke detector is UL listed as a watertight enclosure … WebThe sampling tubes may be ordered to a desired length or ordered in one of 3 standard lengths and cut ... (3/32" diameter) for duct mounting screws (4 #12 x 1/2" sheet metal screws packaged in installation kit). Drill or punch holes for sampling tubes in air ducts (1-3/8" diameter), using template as a guide. ... The duct detector should, when ... Webentire building. Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct. Model D4120 and D4S Duct Smoke Detectors utilize 4-wire photoelectric tech - nology for the detection of smoke. This detection method, when combined with an efficient housing, samples air passing through the duct allowing de- screened in porch on existing deck