Duct Smoke Detector Installation Location

If the detector is.

Duct smoke detector installation location.

Prior to the installation of the damper and smoke detector. Install the duct smoke detector on a flat section of hvac duct between six and ten duct widths from any bends or obstructions. To ensure correct operation install the duct detector using the following guidelines. The duct detector should when possible be located a minimum of six duct widths downstream from a source of turbulence bends inlets or deflection plates.

In the areas where smoke detectors become inaccessible designers should include smoke detection controls remote from the inaccessible area. Do not place the detector right next to or over a fireplace or flame producing appliance. Standard location when factory mounted will be on the side opposite the damper actuator. Nfpa 90a is specific to air conditioning and heating systems installation.

Designers should also remain aware that duct detectors may not substitute for area smoke detection. It provides basic instruction on the installation of smoke detectors inside the ductwork. The detector may be placed on the ceiling. To check the air velocity in the duct.

D4120 duct smoke detector d4s sensor component. On levels without bedrooms install alarms in the living room or den or family room or near the stairway to the upper level or in both locations. For proper air sampling duct pressure should be a minimum of 0 01 inches of water. At these locations air flow is less turbulent and the air smoke mixture should be more homogenous refer to nfpa 90a 72 and 101 for more information.

The international mechanical code section 606 2 2 also states that unless multiple air han dling systems share common supply or return air ducts or plenums duct detection is not required in the supply air system. Install smoke alarms inside each bedroom outside each sleeping area and on every level of the home including the basement. Duct detectors smoke detection nfpa 90a code requirements this article references the current nfpa 90a standard for the installation of air conditioning and ventilating systems. Due to smoke dilution in the ducts the duct detectors will respond more slowly than an area detector.

We will show you how to wire a system sensor duct smoke detector to a carrier bryant or icp furnace and then configure it s communicating infinity evoluti. 2 6 p n 3101210 rev 02 iss 28jan13. The inlet sampling tube is to be located between blades to avoid blockage of the airflow past the tube. Installation of duct detectors can.