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electronic latch release adjustment
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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...:
At what degree will the AFL (Auxiliary Fire Latch) bolt release?
Resolution:
1400 degrees which is approximately 20 minutes after the fire starts.:
What would cause an EL device to pull and release?
Resolution:
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...:
How do you adjust a door closer?
Resolution:
How to: What are the steps to adjust a door closer? Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment. All closers with a "Del...:
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.:
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...: