Fire Alarm Door Magnets Wiring

When the fire alarm system detects smoke the current to the door holder turns off allowing the door to close.

Fire alarm door magnets wiring.

Mount the wall plate in an electrical outlet box or use a surface mount box sold separately. When power is restored the magnets will re. The door access control reader and the electric lock can be wired to the fire alarm in a number of different ways. Wire these holders directly into your fire alarm system.

All are reversible for right or left door swing directions. A door holder prevents the door from closing because it hangs onto the door using magnetism. Door releases will be energized with the voltage shown at right in the hardware set for this opening. We can use a relay to drop power to the electric lock or use an ip device that drops power using the network connection or add a power control box that drops power when the fire.

When activated by a fire alarm the magnet shuts off and releases the door. Wiring them depends on what smoke heat alarms you have in if you have a fire panel unlikely in domestic unless landlord flats then use the open on alarm volts free relays to drop power to magnets if you have mains smoke heat detectors then they need to have an auxillary volts free output so you can use it again to drop power from magnets on alarm. It will interrupt the power if alarmed causing the doors to be released thus allowing the door closers to close the doors. Integrating fire alarm control using direct wiring.

A magnetic door holder is a relatively simple device that when powered typically by 24vdc or 120vac will create a magnetic pull. Making the magnetic field electrical current passes through the coil of the door holder. For use with doors that already have a closer these holders keep doors open with an electromagnet.