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“ WHEN DOES AN AUXILARY FIRE BOLT FIRE ”

Resolution: The top latch for a Fire rated surface vertical rod device is part #650375-00 which replaced the old part #F588.:

Does Von Duprin have a fire latch that will go into the floor?

Resolution: Auxiliary fire latch is tested only from door to door latching by Von Duprin. Some door manufacturers have tested our devices LBR and use additional fire latches to pass the fire test. Contact the ...:

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.:

Where do I install my Auxiliary Fire Latch (AFL) in a Less Bottom Rod, Fire Rated (LBR-F) exit device?

Resolution: Installation should be 6" from bottom of the door. See attached templates as reference. T-5494 for HM Doors W-5494 for Wood Doors:

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“ WHEN DOES AN AUXILARY FIRE BOLT FIRE ”

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