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NL Function on exit devices
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RELATED FAQS
Question
Answer
Does Von Duprin supply the 9875, 9975, 9875-F and 9975-F mortise exit devices with NL-OP trim function?
Resolution:
For night latch function with pull by others, the 98/99 series mortise exit device should be ordered as NL less trim, e.g., 9875NL-L/TRIM. We will furnish a device only, and the mortise cyl...:
How does the Von Duprin 98/99 rim or vertical rod exit device with lever trim convert from L to L-NL function?
Resolution:
To convert the Von Duprin 98/99 Rim or Vertical (Rod or Cable) Exit Device with functional lever (996L-R/V) to act like a rigid lever (996L-NL-R/V) with key over ride follow these steps: R...:
Does Von Duprin offer an NL or NL-OP function with the 8827 exit device?
Resolution:
This option is not available as there is no NL cam to directly drive the rods and using a key to lift the heavy stainless, brass or bronze rods would damage the key. :
How is HB achieved on the 1690 device?
Resolution:
Install the pinion cam at the top of the retractor per Figure 7-3 in Step 7 of 1690 Instructions.:
Does the Von Duprin E996L trim require the NL drive screw be installed into the device to function properly?
Resolution:
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 E99...:
How to order a 25-C device with the NL-OP trim function?
Resolution:
Device would be ordered as a 25C-C as of June 2012.The C-C suffix designates the 25C will come with the 718C-C cylinder control which uses a 1-¼" mortise with a narrow straight cam:
How do you change the Von Duprin 990TP trim to NL function?
Resolution:
Recommend to order a new 990NL-R/V or M trim to change from TP/Classroom function to NL/Storeroom function. You will also need to reinstall the NL drive screw back into into the mast...:
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...:
Can I add 996LNL to my 99EO?
Resolution:
The Von Duprin 98/99EO exit devices will accept any of the exterior trims that we offer for 98/99 exit devices without any extra parts. 996L, 996L-NL, 996L-DT, 996L-BE, 990NL, 990DT, and 110NL a...: