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“
why will el device not stay retracted unless bar is pushed when in unlocked mode
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RELATED FAQS
Question
Answer
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...:
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...:
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 ...:
Why is my latch not retracting when I depress the push pad on an XP98/99 device?
Resolution:
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...: