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Air Products and Controls - SL-2000-P Photoelectric Duct Smoke Detector

Item: AP-SL-2000-P
MFR: SL-2000-P

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About This Product

Product Info


Air Products and Controls - The SL-2000 Series Smoke Duct Detector is the latest 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. Complete systems may be shut down in the event of smoke detection. The SL-2000 is designed and built to meet all local code requirements, as well as the NFPA and ICC standards regarding HVAC supply and return duct smoke detectors. Output terminals are provided for a wide range of remote accessories such as horns, strobes, remote status indicators, and test/reset key switches or push buttons.

  • Low-Flow Technology: listed for velocities between 100-4000 ft./min.
  • Listed for high-temperature applications
  • Operating voltages: 230VAC, 115VAC, 24VAC, 24VDC
  • Interconnect up to 30 units for common functions
  • 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
  • Staggered terminal blocks for easier wiring
  • Flashing LED on detector head indicates normal operation
  • Magnet test capability (magnet included)
  • More wiring space than competitive models
  • Footprint allows for 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
  • Reset switch is also an alarm test switch - competitive models require a magnet or cover removal to test at unit
  • Unit includes green pilot and red alarm visual indicators
  • External mounting tabs do not require cover removal to install
  • Colored cover gasket indicates proper cover seal
  • UL, CUL, CSFM, and MEA Listed
  • Compact, lightweight size means easy handling
  • Two sets of 10A form "C" alarm contacts, one set of 2A form "A" alarm contacts, and one set of 10A form "C" trouble contacts
  • Large terminal connection screws
  • Standard interchangeable "plug-in" UL268 photoelectric or ionization heads
  • Advanced detector head design yields internal dust filtering
  • No additional screens or filters to clean
  • Compatible with building automation and fire alarm systems
  • Complete wiring details permanently attached to unit
Warning: this product contains a chemical known to the State of California to cause cancer.


Weight3 Pounds (lbs)
Width4.63 Inches (In)
Height3.54 Inches (In)
Country of OriginUSA
Length14.63 Inches (In)
ApplicationSpecialty controls
ApprovalsUL, CUL, CSFM, MEA accepted
Audible AlertNo
Batteries IncludedNo
Batteries RequiredNo
Battery BackupNo
BrandAir Products and Controls
Connection TypeSolid or stranded wire
Contact Rating2 sets form c rated at 10Amps @ 115VAC, 1 set form A rated @2Amps
CUL ListedYes
Cycle/Hertz50/60 Hz
Detection MethodPhotoelectric
Hush ButtonNo
Interconnection CapabilitySM-501, RT-3000, HS-100
Locking PinNo
Maximum Voltage253 VAC
Operating Temperature Range32°F to 140°F (0°C to 60°C)
Power Source230VAC, 115VAC, 24V
Prop 65Yes
Sensor TypePhotoelectric
StandardsUL, CUL, CSFM, MEA accepted
Switch Action2- DPDT form C contacts, 1-SPST form A contact
Terminal ConnectionScrew terminal
Test ButtonYes
TierSL-2000 Series
TypeNo Tools, Photoelectric
UL ListedYes
UL RecognizedNo
Visual AlertYes
Voltage24 VDC/VAC/115 VAC/230 VAC
Warranty OfferedYes
Wire Gauge14-22 AWG


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