The SL-DA4R Series Smoke Duct Detector is the latest analog addressable innovation for early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications. The unit is designed to prevent the recirculation or spread of smoke by air handling systems, fans, and blowers.

Specifications:

Features:

• Low-Flow Technology: Both Ionization and Photoelectric models Listed for velocities between 100-4000 ft./min
• Both Ionization and Photoelectric models listed for high temperature applications
• Operating voltages: 24VAC or 24VDC
• Units supplied with slide-in XPERT Card for easy device addressing
• Patent pending “No-Tools Required” front or rear loading and removing sampling/exhaust tubes
• Patent pending”Test Port Valve” allows for aerosol smoke testing without cover removal
• Clear cover fitted with four captive “No-Tools Required” thumbscrews
• Instantaneous cover removal trouble indication
• In-line terminal block for easier wiring
• Steady red LED on detector head indicates alarm operation
• More wiring space than competitive models
• Footprint allows easy retrofit in many applications without additional drilling
• Over 15 remote accessories available
• Duct wall gaskets on back of enclosure are pre-installed
• Compatible with the WP-2000 weatherproof enclosure
• Built-in alarm relay test switch