Option board diagram

RELATED FAQS

Question
Answer
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 ...
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...
The link to the specific sheet can be found by clicking here:  http://us.allegion.com/content/dam/allegion-us-2/web-documents-2/InstallInstructions/Von_Duprin_PS914_Power_Supply_Installation_I...
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...