Door Holder With Smoke Detector

Below we have broken down a few code sections from chapter 17 to help clear up any confusion.

Door holder with smoke detector.

Holder release device with integral door closer with or without smoke detector. They must be used in conjunction with closing 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. 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.

17 7 5 6 2 smoke detectors that are used exclusively for smoke door release service shall be located and spaced as required by 17 7 5 6. Fire smoke barrier doors door releases when tripped by an alarm or smoke detector private offices. 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. They provide a high holding force.

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 holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices. Electromagnetic door holder releases general information introduction electromagnetic door holder releases are designed for virtually any remote door release applications. In the event of a power failure they release the door to a closed position to keep the facility secure.

For example if the depth of wall section above the door is 24 in. Holder release devices ansi bhma certified. Or less nfpa 72 requires one ceiling mounted detector on either side or one wall mounted detector on each side.