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“ can QEL devices be held open? ”

Resolution: If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wiri...:

Will the QEL+ still work with the 900-2Q?

Resolution: You can use the QEL+ device with 900-2Q option board. The 900-2Q board is obsolete with no stock remaining. :

Will CX re-arm if door is held open?

Resolution: If a door position switch (DPS) is connected across the green and white wires of the old CX (green and red of new CX) the CX would go into alarm if the door is held open when it attempts to rearm.&...:

Does the QEL retract the latch bolt and the pushpad?

Resolution: Yes the Von Duprin QEL exit device retracts the latch bolt and pushpad. Pushpad and latch bolt stay retracted as long as power is applied to the QEL exit device. :

What is needed to keep the EL device retracted all day?

Resolution: To keep the Von Duprin electric latch retraction EL or QELA exit device dogged (retracted) all day, have your access control, Key pad, key switch, fire alarm contact or any other signals ...:

What could cause the Von Duprin EL solenoid not to hold when mechanism cover plate is slide over the solenoid?

Resolution: If mechanism cover plate causes the EL solenoid to drop when slid over the solenoid, the solenoid plunger requires adjustment. You must lengthen the rod by turning the hex nut in front of the plun...:

How do I identify the new QEL motor launched in 2012?

Resolution: The new QEL motor has a label affixed to the cover, the older QEL motor has no such label. See attached image.:

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“ can QEL devices be held open? ”

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