Fire Alarm Door Magnets Wiring

Wire these holders directly into your fire alarm system.

Fire alarm door magnets wiring.

Magnetic door contacts are normally wired to the entry. A magnetic door holder is a relatively simple device that when powered typically by 24vdc or 120vac will create a magnetic pull. The magnetic portion of this device is installed on the wall that meets the open fire door now to tie this whole concept together you will. Mount the magnet to the door or window and mount the switch to the frame.

Depending on your fire alarm installation you may need to install a magnetic door holder at the location of each fire 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. All are reversible for right or left door swing directions. Door releases will be energized with the voltage shown at right in the hardware set for this opening.

Spdt switches connect to an alarm system and to another device such as a motion detector. When activated by a fire alarm the magnet shuts off and releases the door. Mount the wall plate in an electrical outlet box or use a surface mount box sold separately. Here i install a magnetic door contact on a pvc door and wire it to a honeywell ade gen4 alarm panel.

The alarm will activate when the magnet is pulled away by the opening door or window. For use with doors that already have a closer these holders keep doors open with an electromagnet. It will interrupt the power if alarmed causing the doors to be released thus allowing the door closers to close the doors.