Door Holder With Smoke Detector

They provide a high holding force.

Door holder with smoke detector.

Smoke detector placement for fire rated doors and magnetic door holders there are a few things to keep in mind when installing smoke detectors for magnetic door holder releasing. In the event of a power failure they release the door to a closed position to keep the facility secure. Or less nfpa 72 requires one ceiling mounted detector on either side or one wall mounted detector on each side. For example if the depth of wall section above the door is 24 in.

Smoke detector fire alarm 2 packs photoelectric smoke detectors with ul listed 9v battery operated smoke detector 9v battery included 10 years life time fire safety for home hotel school etc. Fire smoke barrier doors door releases when tripped by an alarm or smoke detector private offices. The development of national fire protection association 101 life safety code and smoke detection technology required that smoke detectors release the door holders instead of fusible links. The 1800 series is an electromagnetically controlled door closer available with or without integral smoke detector power supply for use on fire and or smoke barrier doors.

Electromagnetic door holder releases general information introduction electromagnetic door holder releases are designed for virtually any remote door release applications. They must be used in conjunction with closing devices. Where the release of the door takes place exclusively from the smoke detector using internal relay contacts a nationally recognized testing laboratory must have tested and listed the detector for releasing device service. Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices.

The number of smoke detectors required and all of the spacing requirements found in sections 17 7 5 6 2 through 17 7 5 6. Below we have broken down a few code sections from chapter 17 to help clear up any confusion. For this information we must consult the standards found in nfpa 72 2013.