B polarity reversal input from facp signaling circuit.
Fire alarm door relay.
System sensor multi voltage conventional relays are used for high current switching applications such as fan and damper assembly control door control air handling unit controls and other types of building system interfacing.
It can be used with a mag lock or a strike that is configured in fail safe mode.
Additional considerations to be met.
Fire alarm relays can come in many forms including wireless and detector bases.
Fire alarm disconnect latching or non latching is individually selectable for any or all of the four 4 outputs.
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.
Fire alarm disconnect input options.
This video demonstrates the 24 volt auxilliary fire alarm relay.
The intelligent fire alarm relay can only be used on intelligent fire alarm systems and is made specifically to work with particular brands of fire alarm systems.
The fire alarm control relay is only used as a pilot duty switch to keep the auxiliary relay normally turned on.
Gamewell fci silent knight firelite notifier siemens and est edwards are just a few name brand examples.
The second way if the power supply does not have a set of fire alarm contacts is to use a supervised relay at the central point of generation.
The siemens rpr 1 remote polarized is an optional accessory for a fire alarm system control unit.
Consult the list to find a relay for your specific fire alarm or notification system.
In this configuration the 12 vdc power to the lock originates from a central power supply.
A normally open no or normally closed nc dry contact input.
In an emergency you may wish your fire alarm system to perform a number of automated tasks this could include switching off lights or closing doors.
Using a relay to control power to electric lock in this example the fire alarm provides a ground signal to a relay that controls power to all the locks.
Simply connect a supervised relay from or in the fire alarm panel to the contacts and the ada supply will disconnect power to the locks.