fire alarm interface

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 The Basic PS914 power supply will not accept a 900-FA fire alarm board. 900-8F option board is required with PS914 power supply to accept 900-FA fire alarm board (900-8F is an adaptor board for...
The Von Duprin Chexit device will not automatically rearm itself after a fire alarm clears.  After a Fire Alarm has triggered the Von Duprin Chexit device, the device must be manually reset&nb...
The "Fire Alarm" indication occurs when there is no connection across terminals 13 & 14. Check to verify that the "Fire Alarm" shunt (R1 jumper) on the I/O board has not been cut. Install jumpe...
Fire alarm contact would tie right into the Von Duprin Chexit device not to the PS914 power supply. There is no requirement to install the fire alarm board.
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
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