Duct Smoke Detector Installation Guidelines

2 6 p n 3101210 rev 02 iss 28jan13.

Duct smoke detector installation guidelines.

Check into nfpa 90a standard for the installation of air conditioning and ventilating systems for installation requirements. Nor should it serve as an early warning detection system. The updated planning and implementing a successful smoke alarm installation program pdf is a comprehensive guide including everything you ll need to get started from tips on how to select volunteers to. Installation instructions for the duct smoke detector a.

Therefore they should complement the buildings fire detection system and not serve as the primary fire detection system. Consult nfpa 90a nfpa 72 and local codes to determine where smoke detectors are required. This detection method when combined. Install the duct smoke detector on a flat section of hvac duct between six and ten duct widths from any bends or obstructions.

1 below we share our tips for safely selecting maintaining and installing these handy safety devices. Model d4120 and d4s duct smoke detectors utilize 4 wire photoelectric tech nology for the detection of smoke. Installation instructions for duct smoke detectors mounted on combination fire smoke or smoke dampers ii detector 04 12. Duct preparation the duct detectors are designed for use in ducts where the air velocities are from 300 to 4000 feet per minute.

Smoke introduced into an air duct system will be distributed throughout the entire building. A smoke alarm installation program in your community can make a measurable difference in reducing deaths and injuries from fire. Duct smoke detection can also serve to protect the air conditioning system itself from fire and smoke damage. Verify this by checking specifications of installation and if necessary use an alnor model 6000p velocity meter or.

Smoke detectors are one of your first defenses to stay safe from fire and reduce damage. Chapter 6 4 covers locations for duct smoke detectors used for automatic fan shutdown and also lists exceptions exemptions. Sampling tube assembly see figure 2 the duct detectors are designed for use in ducts where the air velocities are from 300 to 4000 feet per minute. Fad 325 v2f r duct housing with the fad 325 v2f dh analog photoelectric smoke sensor relays installation instructions for the duct smoke detector a.

Furthermore intentions for using duct smoke detectors should not be a substitute for area smoke detectors. The installation of smoke detectors and other related requirements is intended to prevent the distribution of smoke through the supply air duct system and preferably to exhaust a significant quantity of smoke to the outside.