Attic Heat Detector Placement

Page 1 of 2 heat detectors in an attic.

Attic heat detector placement.

However as i prepare to install them i wanted to get others. The alarm will sound if temperatures rise above 135 f. Posted in home automation. It gets very hot up there in the summer southern california so i thought it would be prudent to install a few high temperature heat sensors i bought 3 194 degree heat detectors.

Install the first attic smoke detector on the wall near the stairs anywhere between the 4 inch and 12 inch marks. 5 measure and mark a distance of 4 inches on the ceiling from each wall. When you find yourself doing a layout for spot type heat detectors in an area that isn t square or rectangular don t forget 17 6 3 1 2 provides you with some options. Be fixed where they can be reached to maintain therefore not over the stairs.

Heat detectors are sufficient for places where speed of detection isn t critical or in small confined spaces. The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage. Ceiling height construction and ventilation play significant roles in detector performance and must be considered when determining detector placement. E hd fixed temperature rate of rise heat detector.

Regardless of where you place a heat detector these devices should be placed away from any vents or ducts that may interfere with their function. Spot type heat detectors should be selected so that the rating is at least 20 f 11 c above maximum expected ceiling temperature. They feature a detecting component inside the unit that activates an alarm when it reaches a predetermined temperature. Nfpa 72 chapter 5 initiating devices heat detectors.

The kidde firex hd135f is a 120 volt ac the kidde firex hd135f is a 120 volt ac wire in heat alarm that responds to temperature rather than smoke. All i have a relatively large attic that covers about 1600 sq ft of my house. The kidde hd135 f is inter connectable. Heat detectors are also recommended for rooms where indoor smoking is an approved activity by the owner.

We recommend placing them high off of the ground or on the ceiling. Ceiling mounted detectors should be located such that their sensitive elements are between 25mm and 150mm below the ceiling in the case of heat detectors or between 25mm and 600mm below the ceiling in the case of smoke detectors. Another location in a home where you should have a heat detector rather than a smoke alarm is the attic. Nfpa 72 17 6 3 1 2 does what it can to make heat detector layout in irregularly shaped areas less complicated.

Heat detectors represent fairly old technology and the first residential fire alarms were of this type.