troubleshooting electric latch retraction

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The Von Duprin PS914 power supply must be used on the EL devices with either the 900-2RS or 900-4RL option board since the EL devices requires power supplies set at 24VDC to be able to provide the ...
  You can use a Von Duprin PS914 power supply with any of the following option boards depending on the application. 900-2RS board  will power 1 or 2 devices that do not require timing from pow...
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...
There is no EL conversion kit for a 2390, the device will need to be replaced.
  For Product Shipped Prior to August 2012 using the old (black) potted module: a.       0-100 ft 14 gauge wire b.      0-200 ft 12...
 
The Von Duprin EL option can be added to any existing 33A/35A, 98/99 series exit devices. 
The latch bolt on an XP98/99 exit device does not retract. The latch bolt will release and pivot out of the way when push bar is depressed or out side trim is activated.
 Electric latch retraction, EL, devices are only available in 24VDC.
The resistance readings for a Falcon 24 or 25 Series EL solenoid should read;Green to Yellow = Pull Coil, should measure between 1 and 2 ohms of resistance. Green to Orange = Hold Coil, s...