Air Products and Controls SM-501-N (Firex 2650-660) Ionization Duct Alarm

Quantity Discounts Available (minimum 12 units of same model) Air Products and Controls SM-501-N (Firex 2650-660) Ionization Duct Smoke Detector Alarm Firex duct smoke detectors provide early smoke alarm detection of smoke and products of combustion present in air moving through an HVAC duct. FIREX, smoke alarms are the recognized leader in residential fire safety protection, bringing you the latest in duct smoke detection technology. FIREX Duct Smoke Detectors provide early detection of smoke and products of combustion present in air moving through an HVAC duct. These devices are designed for prevention of smoke recirculation in areas by the air handling systems. Fans, blowers, and complete systems may be shut down in the event of smoke detection. Our universal voltage models will operate on any one of four input voltages. Air sampling is accomplished by two tubes, which protrude into the duct. An exhaust tube of one standard length (7") is provided with each FIREX Duct Smoke Detector. Intake sampling tubes, which must be ordered separately, are available in three standard lengths. Duct smoke detector mounting is accomplished by the use of a mounting template and four sheet metal screws, which are provided. Additional Features: Alerts When Dirty - Automatically indicates when maintenance is required. High Temperature Design - Rated to 155°F (ionization model) for rooftop and other installations where high temperatures can cause problems. Interconnect Up to 30 Models - Up to 30 models can be interconnected to provide complete HVAC system protection–controlling all connected blowers, fans and dampers. Front Mounted Test / Reset Button - Provides quick and accurate testing of system. Installation Flexibility - Fast and easy mounting to rectangular ducts.

• Four sheet metal screws provide easier mounting
• UL 268A Listed
• Factory set tube alignment
• Mechanical installation without cover removal
• Built-in power supply
• Installation template included
• Large terminal connection screws
• Power supervisory relay included
• Two independent form “C” alarm contacts standard
• Compatible with building automation & fire alarm systems
• Dust filtering included in detector head
• No additional screens or filters to clean
• Common or individual remote reset
• Common or individual fan shutdown relay operation
• Common or individual remote alarm indication, i.e. red LED, horn, strobe
• Common or individual head removed remote indication
• One horn/strobe operated by up to 15 detectors

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