Sluggish latch retraction

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Answer
 Electric latch retraction, EL, devices are only available in 24VDC.
The Von Duprin EL option can be added to any existing 33A/35A, 98/99 series exit devices. 
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.
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...
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.
  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...
 
EL, ELR (LR)
No, Von Duprin exit alarm ALK and electric latch retraction QEL or EL are installed in the same location and can't be ordered together with the same device.
You can not use these options together on the same device per the following reasons: QEL/EL device retracts the latch bolt of the exit device allowing entry. CX (Chexit) device locks the p...
The Von Duprin 7500 mortise lock body ships in the NL mode.  Either the function of 7500 lock body has not been changed to the Classroom function or the NL Drive screw is not all the way down. Step...
  Tips for changing the function: The NL Drive screw will not be visible when lock body is set to Classroom function There is locktite on the screw that makes it seem like its turned down enou...
- AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device.  Be sure this screw is installed- Exit hardware and strike must be properly mounted ...
The 98/99 rim and vertical rod exit devices are shipped with NL drive screw to function as a Night Latch. To convert the device to Class Room, remove the NL Drive Screw on 98/99 center case ass...
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...
Most likely need to length the top rod so latch can engage it's internal latch retention state. See 2390 Instructions for adjusting rod lengths.
There is no conversion kit to add EL or ED to an existing 1690 or 1790 series device. All of the components are built into the device, since the device does not have a separate baseplate.  You ...
The L9466 Store/Utility Room lock can provide this functionality. Operation: Latchbolt retracted by knob/lever either side. Deadbolt thrown or retracted by key from either side. When the deadbolt ...
Followings are the list of the electric latch retraction EL/HDEL (hex dogging), QEL (quiet) kits: 114317-00 QELA Mod. Conv. Kit 040061-00 QELA Mod. Conv. Kit...
Electric Latch Retraction(ELR) option for the 19 Series was discontinued in December of 2006.
  Pushing on the push  bar or activating the EL/QEL or the trim on Von Duprin XP98/99 exit device does not retract the latch, it releases the latch only. Door must be pushed or pulled when device o...