System Sensor D4120W Watertight 4-Wire Photoelectric Duct Smoke Detector

Series/Model: InnovairFlex Series

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 a pivoting housing that fits various applications: both square and rectangular footprints mount to round or rectangular ductwork.

Sampling Tubes are not included

NEMA Type 4 UL listed for non-hazardous indoor and outdoor applications

UV Resistant, UL listed housing and cover material

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 offers superb false alarm immunity and the latest sensor technology

Patented sampling tube installs from front or back of the detector with no tools required

Increased wiring space with a newly added ¾-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

Backward compatibility with existing Innovair products, including remote accessories

Details:

• Duct Smoke Detector
• Type 4-Wire, Photoelectric, Watertight
• Voltage Rating 24 Volt AC/DC or 120 Volt AC
• Operating Temperature -4 to 158 Deg F
• Size 14.38 Inch Length x 5 Inch Width x 2.5 Inch Depth (Rectangular), 7.75 Inch Length x 9 Inch Width x 2.5 Inch Depth (Square)
• Mounting Versatile
• Approval UL S911, FM
• Air Duct Velocity 100 to 4000 Foot per Minute
• Humidity Rating 10 to 95 Percent Relative Humidity Non-Condensing
• NEMA 4 Rated
• Relay Type 2 Form C Auxiliary Relay
• 4-Wire Photoelectric, Integrated Low-Flow Technology
• Versatile Mounting Options Square or Rectangular Configuration
• Plug-In Sensor Offers Superb False Alarm Immunity and the Latest Sensor Technology
• 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