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“ what do option boards do? ”

Resolution: Communication takes place between the 2Q option board and the Von Duprin QEL exit device. If this communication does not occur then the device will not retract. The 900-2Q board is not ...:

When would you use the 900-4R option board in a 900 series power supply?

Resolution: The 900-4R is used with PS900 series power supplies. The 900-4R has four independent outputs and inputs with no time delay. You can use any of these outputs with electrified hardware including EL...:

What took the place of the Von Duprin 873-DE option board?

Resolution: The delay egress is controlled in the exit device (Von Duprin Chexit), the magnetic lock, or other locking device.:

What do I need to use a fire alarm board with a PS914?

Resolution: 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...:

What would cause an EL device to pull and release?

Resolution: If your Von Duprin EL (solenoid) device pulls and releases quickly instead of holding the latch retracted, please check all of the items below.In most cases, one or more of these solutions will r...:

What is the new option for the old 873-AC board?

Resolution: When the new PS900 series power supplies were created we did not pursue a version of these option boards. Need to discuss the specific hardware they are using and requirements to determine the app...:

Where is the cross reference list for PS800 to PS900 series power supplies?

Resolution: Von Duprin PS914-4RL power supply replaces the PS873-4TD.:

Can we run both mag locks and EL devices from the PS 914?

Resolution: It requires 900-4RL and 900-FA option boards to release the mag locks when a fire alarm is activated. Specify PS914 x 900-4RL x 900-FA.:

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“ what do option boards do? ”

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