CLASSROOM TYPE MORTISE LOCKSET

RELATED FAQS

Question
Answer
To convert the Von Duprin 9975NL(Night Latch or Storeroom) to 9975L (Classroom) exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL ...
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...
The following steps are required to convert the Von Duprin 98/9975L from classroom to night latch function: Order new 996L-NL-M trim and reset NL drive screw in mortise lockbody as set from...
Place any new orders per the following table ...
 Mortise Deadbolt Locks  Discontinued  Replace With  CO200MD  70-Classroom/Storeroom  40-Privacy  CO250MD  70-Classroom/Storeroom  40-Privacy  AD200MD  70-Classroom/Storeroo...
* 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. 
The 7500 mortise lock should be configured for NL function as shipped not as Classroom. See figure 4-3 in E996L instructions.