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s SILENT SK-DUCT KNIGHT Intelligent Air Duct Smoke Detector by Honeywell Detect smoke in air handling systems and air handling equipment with Silent Knight's addressable duct smoke detector 110111111-1111 The SK-Duct Intelligent air duct smoke detector is used with SK-PhotoR(included)for detecting smoke and products of combustion present in air moving through an HVAC air handling system.When smoke is detected in a duct, the unit communicates the condition to the IntelliKnight control panel. The panel, in turn, depending on programming and wiring, turns off fans, blowers, and other devices. The duct housing allows for mounting of SK- Relay addressable relay module. Now there's even more power and flexibility available to the IntelliKnight family of products! Description The Model SK-Duct Air Duct Smoke Detector utilizes photoelectric technology for the detection of smoke. It provides early detection of smoke and products of combustion present in air moving through HVAC ducts inr,., ;R 4 Commercial and In dustrial applications. •� `--_.;- °��'. The SK-Duct is in a heavy duty gray steel back box with a clear cover. It features a pivoting housing that fits both square and rectangular footprints capable of mounting to a round or rectangular duct. It installs quickly and easily. K-DUCT The unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4000 feet per minute, Specifications temperatures of-4'F to 158°F, and a humidity range of Physical 0 to 95 percent(non-condensing). (Rectangular): 14.38 in (37 cm) Length; Features Sin (12.7 cm)Width; 2.5 in (6.6 cm) Depth (Square): 7.75 in (19.7cm) Length; • Versatile mounting options: square or rectangular 9 in (22.9cm)Width; 2.5 in (6.35cm) Depth configuration Weight: 1.61b (0.73kg) • New Cover tamper signal • LED alarm indication and communication on sensor Environmental head Operating Temperature: -4°F— 158°F • Detects and limits the spread of smoke (-20°C— 70°C) • Rugged steel back box with clear plastic cover Humidity: 0% —95%.(non-condensing) • Easy to clean Air Velocity • Large terminal connection screws 100 to 4000 ft/min (0.5—20.3 m/sec.) • Transparent cover for convenient visual inspection Electrical (using SK-Photo or SK-PhotoR) • Patented sampling tube installs from front or back of the Operating Voltage: 15-32 VDC detector with no tools required • Available space within housing to accommodate Standby Current: 300 pA @ 24 VDC max. mounting of relay module Alarm Current: 6.5 mA @ 24 VDC max • UL listed (with LED on) P/N 350122 Rev E ©2016 Honeywell International Inc.