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 ...
Product Ordered after 7/10/2012 - Product identified by label on QEL motor
You no longer need to use the 900-2Q option board (no longer available) with the PS900 power supplies to ...
Product Ordered before 7/10/2012 - Product identified by no label on QEL motor.
You must use the 900-2Q option board with the PS900 power supplies to operate the QEL devices. The attached ta...
The 900-2RS is recommended to be used with EL devices but if you have a 900-2Q with PS914 power supply it can be used to operate up to two EL or one EL and one QEL devices .
The Von Duprin PS902 power supply will operate the QEL device as long as you also use the 900-2Q board for devices shipped prior to September of 2012. After July of 2012, the 900-2RS boa...
The 900-2Q board is no longer available.
For warranty purposes, QEL conversion kit and 900-2RS board are required. The 900-2RS replaces the 900-2Q board.
The QEL exit devices that were shipped prior to August, 2012 will only communicate to the PS873 with 871-2Q option board or PS900 series with 900-2Q option board.
If you...