Duct Detectors
InnovairFlex™ 4-Wire Duct Smoke Detector
InnovairFlex™ 4-wire photoelectric duct smoke detectors offer 2 sensors to 1 powerboard capability in standard (D4120) and watertight (D4120W) versions.
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InnovairFlex™ D4120 4-wire photoelectric duct smoke detectors feature 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 ft/min, temperatures of –4 °F to 158 °F, and a humidity range of 0 to 95% non-condensing. A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance. An 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 providing protection against falling dirt, rain, windblown dust, splashing and hose directed water.
Features & Benefits:- Patented sampling tube installs from front or back of the detector with no tools required
- Increased wiring space with a newly added 3/4 inch conduit knockout
- One easy-access Test/Reset button and improved LED status
- Patented interconnect feature for multi-fan shutdown
- New high contrast terminal designations
- Built-in short circuit protection from operator wiring errors
- Field selectable settings for configuring the detector
- Two DPDT Form C relay contacts
- 24V AC/DC or 120V AC
- Backward compatibility with existing Innovair products, including remote accessories
- UL/ULC
- FM
- CSFM
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