Duct Smoke Detector Installation

1 2 exploded view of duct smoke detector components.

Duct smoke detector installation.

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 detectors smoke detection installation furthermore intentions for using duct smoke detectors should not be a substitute for area smoke detectors. Do not overtighten the screws. Charles illinois 60174 1 800 sensor2 fax.

The duct smoke detector is designed for use in duct. E pdd duct smoke detector installation sheet operation the duct smoke detector s primary purpose is to provide early warning of an impending fire and shut down the hvac unit in order to prevent smoke from circulating throughout the building. Nor should it serve as an early warning detection system. 6 sampling tube installation ing out of the duct select a shorter tube using 6 1 sampling tube selection.

This photoelectronic detector mounts externally to the duct with intake and exhaust sampling tubes penetrating into the duct. Nfpa 90a 2012 a 6 4 makes this pretty clear by stating. They may be mounted in either the supply and or return air section as determined by local code. Protection provided by 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.

3825 ohio avenue st. With all wiring in place install the detector head. This detector is recommended for ducts 6 inches and wider with duct velocities within the 500 fpm to 4000 fpm range. 5 4 secure the duct detector to the duct use two rectangular configuration or three square configuration of the pro vided sheet metal screws to screw the duct detector to the duct.

2 4 contents of duct smoke detector kit. Refer to the applicable figures below depending on your duct housing model number. Installation of duct detectors can be on or within a commercial packaged rooftop heating and air conditioning system fire smoke damp ers and economizers. 2 3 general description.

Installation and maintenance instructions.