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.
Attic heat detector placement.
Nfpa 72 chapter 5 initiating devices heat detectors.
Posted in home automation.
However as i prepare to install them i wanted to get others.
This is a continuation on the series of articles about the most important requirements in nfpa 72 national fire alarm code book.
The interconnect system must not exceed the nfpa national fire protection association limit of 18 initiating devices smoke heat co etc.
Ceiling height construction and ventilation play significant roles in detector performance and must be considered when determining detector placement.
Be fixed where they can be reached to maintain therefore not over the stairs.
Spot type heat detectors should be selected so that the rating is at least 20 f 11 c above maximum expected ceiling temperature.
E hd fixed temperature rate of rise heat detector.
We recommend placing them high off of the ground or on the ceiling.
All i have a relatively large attic that covers about 1600 sq ft of my house.
Heat detectors are also recommended for rooms where indoor smoking is an approved activity by the owner.
The alarm will sound if temperatures rise above 135 f.
The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage.
The kidde hd135 f is inter connectable.
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.
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.
Another location in a home where you should have a heat detector rather than a smoke alarm is the attic.
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.
Heat detectors are sufficient for places where speed of detection isn t critical or in small confined spaces.
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.
Page 1 of 2 heat detectors in an attic.
They feature a detecting component inside the unit that activates an alarm when it reaches a predetermined temperature.
Smoke alarms are not designed for garages and attics and are much more likely to fail than a heat detector.
