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RELATED FAQS
Question
Answer
What is the Lock Modes/States for Apartment Function?
Resolution:
AD Series UI Matrix:
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...:
Why can't I order an AD-Series or CO-Series mortise deadbolt with a classroom/storeroom (70) function
Resolution:
* NOTE: the AD300/400 devices simply communicate the change in Deadbolt Position status to the Host software. The software then decides what action should or should not be taken at the device. :
How do you convert the Von Duprin 370 series controls to NL or night latch function?
Resolution:
You must have the Von Duprin NL Cylinder plate part number 967484-89 to convert the 370 series controls from classroom function to night latch function. If new installation, use the NL cylinde...:
How do I convert a 179L, 712L or 912L from NL nightlatch or storeroom function to classroom function?
Resolution:
Remove the NL spring and add the locking spring 661567. For reference, do the reverse of what is shown in this instruction: https://us.allegion.com/content/dam/allegion-us-2/web-documen...: