Does the Von Duprin E996L trim require the NL drive screw be installed into the device to function properly?

Von Duprin 98/99 NL drive screw is located in back of the 98/99 center case assembly.


  • NL drive screw should be left in with trim lock slide plate in up position in the 98/99 exit device with E996L electric trim so the key can provide night latch over ride and open the door mechanically.
  • When using 996L trim, if the NL drive screw is left in center case and the trim lock slide plate is left down it will operate as NL function, if the plate is left up, it will act as passage function.
  • For Class Room function, the NL drive screw needs to be removed from 98/99 series exit device when you are using 996L trim. Key would lock or unlock the trim.

      See attach instruction:  98/99 device function


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