Automatic Fire Door Release
For use with motorized doors incorporating a reversing electric safety edge.
Automatic fire door release. Fire door release devices in case of an emergency it s critical to have equipment you can count on. The detection of smoke by an automatic detection. Liftmaster s fire door release devices provide the ultimate reliability exactly when it s needed. This 120vac device can power up to four smoke detectors and two horn strobes or speaker strobes.
Or the actuation of an alarm by a manual fire alarm call. No matter what the automatic means of smoke fire detection you use the release of one or more smoke doors is usually accomplished through an electromechanical device that holds the doors open until smoke is detected. The automatic releasing mechanism or medium is activated by the operation of approved smoke detectors. Upon release of the hold open mechanism the leaf becomes self closing.
Doors are automatic and self closing through an isolating governing release system rated 4 3 1 1 2 3 4 or oversized certificate. All automatic door releases should be triggered by each or any of the following. The afcb fire door release device is designed to be used in conjunction with a standard commercial door operator to provide a fully automated door closing system.