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“
qel device stays retacted
”
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Question
Answer
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 would keep the vertical rod exit devices top latch from being held retracted in the open position?
Resolution:
Following exit devices 2227/F, 33/3527A/F, 33/3547A/48A/F, 98/9927/F and 98/9947/48/F have similar rod adjustment procedures. All top latches control the bottom latch assemblies. When do...:
How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?
Resolution:
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...:
How do I wire an EL device to normally hold open the latch and release it during a fire alarm?
Resolution:
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...:
Why is the 2390 top latch not staying retracted when dogged?
Resolution:
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.:
Is the SD option available with Von Duprin QEL 98/99 exit devices?
Resolution:
SD option is available and is also standard with Von Duprin 98/99 rim and vertical rod exit devices but not available with mortise device.:
How much amperage does the QEL draw?
Resolution:
Applies only to Von Duprin QEL exit devices shipped after December 11th, 2014.1.0 amp inrush and a 0.14 amp holding current.:
Will the PS900-2 RS operate the Von Duprin QEL device?
Resolution:
See below for QEL device requirements: QEL devices shipped prior to 7/23/12 must have the 2Q option board for the communication link between the power supply and the exit device. &nb...: