Duct Smoke Detector Installation Guidelines

Verify this by checking specifications of installation and if necessary use an alnor model 6000p velocity meter or.

Duct smoke detector installation guidelines. Smoke detectors are one of your first defenses to stay safe from fire and reduce damage. Duct preparation the duct detectors are designed for use in ducts where the air velocities are from 300 to 4000 feet per minute. Installation instructions for duct smoke detectors mounted on combination fire smoke or smoke dampers ii detector 04 12. Therefore they should complement the buildings fire detection system and not serve as the primary fire detection system.

Chapter 6 4 covers locations for duct smoke detectors used for automatic fan shutdown and also lists exceptions exemptions. Installation instructions for the duct smoke detector a. 2 6 p n 3101210 rev 02 iss 28jan13. Nor should it serve as an early warning detection system.

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. 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. Duct smoke detection can also serve to protect the air conditioning system itself from fire and smoke damage. Consult nfpa 90a nfpa 72 and local codes to determine where smoke detectors are required.

Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct. Install the duct smoke detector on a flat section of hvac duct between six and ten duct widths from any bends or obstructions. Furthermore intentions for using duct smoke detectors should not be a substitute for area smoke detectors. This detection method when combined.

1 below we share our tips for safely selecting maintaining and installing these handy safety devices. To ensure correct operation install the duct detector using the following guidelines. Smoke introduced into an air duct system will be distributed throughout the entire building. Check into nfpa 90a standard for the installation of air conditioning and ventilating systems for installation requirements.

When properly installed and maintained they can alert you to trouble at the first whiff of smoke and reduce the risk of death by half. A smoke alarm installation program in your community can make a measurable difference in reducing deaths and injuries from fire.