Power shall be controlled by the fire control system.
Fire alarm door magnets wiring.
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.
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.
Here i install a magnetic door contact on a pvc door and wire it to a honeywell ade gen4 alarm panel.
All are reversible for right or left door swing directions.
Wire these holders directly into your fire alarm system.
Magnetic door contacts are normally wired to the entry.
It will interrupt the power if alarmed causing the doors to be released thus allowing the door closers to close the doors.
When activated by a fire alarm the magnet shuts off and releases the door.
The alarm will activate when the magnet is pulled away by the opening door or window.
Mount the wall plate in an electrical outlet box or use a surface mount box sold separately.
Spdt switches connect to an alarm system and to another device such as a motion detector.
When power is restored the magnets will re.
Mount the magnet to the door or window and mount the switch to the frame.
A magnetic door holder is a relatively simple device that when powered typically by 24vdc or 120vac will create a magnetic pull.