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 Von Duprin 7500 mortise lock body ships in the NL mode. Either the function of 7500 lock body has not been changed to the Classroom function or the NL Drive screw is not all the way down. Step...
Tips for changing the function:
The NL Drive screw will not be visible when lock body is set to Classroom function
There is locktite on the screw that makes it seem like its turned down enou...
The Von Duprin E7500 has a total of 8 wires.
Two power wires.
12VDC solenoid has yellow wires.
24VDC solenoid has black wires.
Six switch wires.
Latchbolt monitor switch has three wires,...