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.
Attic heat detector placement.
Heat detectors represent fairly old technology and the first residential fire alarms were of this type.
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.
Heat detectors are sufficient for places where speed of detection isn t critical or in small confined spaces.
Nfpa 72 chapter 5 initiating devices heat detectors.
The kidde hd135 f is inter connectable.
Page 1 of 2 heat detectors in an attic.
Spot type heat detectors should be selected so that the rating is at least 20 f 11 c above maximum expected ceiling temperature.
Ceiling height construction and ventilation play significant roles in detector performance and must be considered when determining detector placement.
5 measure and mark a distance of 4 inches on the ceiling from each wall.
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.
Smoke alarms are not designed for garages and attics and are much more likely to fail than a heat detector.
The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage.
They feature a detecting component inside the unit that activates an alarm when it reaches a predetermined temperature.
Posted in home automation.
Install the first attic smoke detector on the wall near the stairs anywhere between the 4 inch and 12 inch marks.
E hd fixed temperature rate of rise heat detector.
Heat detectors are also recommended for rooms where indoor smoking is an approved activity by the owner.
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.
Be fixed where they can be reached to maintain therefore not over the stairs.
However as i prepare to install them i wanted to get others.
Nfpa 72 17 6 3 1 2 does what it can to make heat detector layout in irregularly shaped areas less complicated.
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.
All i have a relatively large attic that covers about 1600 sq ft of my house.
