Description
Description
The D4120A InnovairFlex™ 4-Wire Photoelectric Duct Smoke Detector by Honeywell Building Technologies is engineered for reliable and efficient smoke detection in HVAC duct systems. Featuring a versatile pivoting housing, it fits both square and rectangular footprints and can be mounted on round or rectangular ductwork. Operating effectively in airflow speeds from 100 to 4,000 feet per minute, temperatures ranging from -4°F to 158°F, and humidity levels from 0 to 95% non-condensing, this detector is designed for diverse environments. The plug-in sensor head improves false alarm immunity and simplifies installation, testing, and maintenance
Features
- Pivoting Housing: Fits both square and rectangular footprints and mounts to round or rectangular ductwork.
- Operating Conditions: Functions in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4°F to 158°F, and a humidity range of 0 to 95% non-condensing.
- Plug-In Sensor Head: Offers improved false alarm immunity and simple installation, testing, and maintenance.
- Improved Cover Design: Isolates the sensor head from the low-flow feature for easy maintenance.
- Wiring Space: Ample wiring space with a newly added 3/4 inch conduit knockout.
- Short Circuit Protection: Built-in protection to prevent damage during installation.
- High Contrast Terminal Designations: Makes wiring easy.
- Interconnectivity: Up to 50 detectors can be interconnected; when one unit senses smoke, all interconnected detectors will switch their relays.
- Certifications: UL/ULC FM CSFM listed.
