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Home --> Fire Alarm Systems
  • General
  • Feature
  • Specification
Carbon monoxide is an odorless, colorless, tasteless and highly toxic gas that is produced when fuels, such as wood, gasoline, charcoal and oil, are burned with insufficient air. The majority of residential and commercial fatalities caused from these fuels come from heating systems, power tools and charcoal grills. If carbon monoxide is detected, the CO1224 will alert residents by sounding and flashing a temp-4 signal alarm. Protection is guaranteed 24/7 by a central station, regardless of whether residents are away from home, sleeping or already suffering from the effects of CO. The CO1224 is specifically designed for system operation. This means the detector is fully listed to UL 2075, offering a code required trouble relay, which sends a sensor failure or end-of-life signal to the control panel and the central station, as well as SEMS-type terminal Philips-head screws, which provide a quicker and more positive wiring connection and code required wiring supervision. Also, the CO1224 offers a low current draw, allowing more detectors to be connected to the panel without having to purchase a more expensive panel or an extra power supply. Because the CO1224 is a 12/24 VDC detector, it will operate on most industry security or fire alarm control panels.
  • Full compliance with UL 2075
  • A code required trouble relay
  • Wiring supervision with SEMS terminals
  • A six-year end-of-life timer
  • 12/24 VDC
  • A current draw of 20mA in standby and 40mA in alarm
  • Versatile mounting for wall and ceiling
  • Electrochemical sensing technology
Architectural/Engineering Specifications Carbon monoxide detector shall be a System Sensor model number CO1224, listed to Underwriters Laboratories UL 2075 for Gas and Vapor Detectors and Sensors. The detector shall be equipped with a sounder and a trouble relay. The detector’s base shall be able to mount to a single-gang electrical box or direct (surface) mount to the wall or ceiling. Wiring connections shall be made by means of SEMS screws. The detector shall provide dual color LED indication, which blinks to indicate normal standby, alarm, or end-of-life. When the sensor supervision is in a trouble condition, the detector shall send a trouble signal to the panel. When the detector gives a trouble or end-of-life signal, the detector shall be replaced. Electrical Specifications Operating Voltage 12/24 VDC Audible Signal 85 dB in alarm Standby Current 20 mA Alarm Current 40 mA (75 mA test) Alarm Contact Ratings 0.5 A @ 30 VDC Trouble Contact Ratings 0.5 A @ 30 VDC Physical Specifications Size Length: 5.1˝, Width: 3.3˝, Height: 1.3˝ Approximate Weight 7 oz Operating Temperature Range 0° – 40° C (32° – 104° F) Operating Humidity Range 22 – 90% RH Input Terminals 14 – 22 AWG Mounting Single-gang back box; surface mount to wall or ceiling