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FAQs

How is the 2390 changed from NL to Hold Back?

Resolution: The function of the exterior cylinder is determined by the orientation of the cam on the back of the mortise cylinder. See step 11 of the 2390 instructions:

What would cause the Von Duprin delay egress Chexit device not to provide delay egress?

Resolution: For Solenoid driven Chexit devices shipped from the factory prior to 8-24-2015, the following could cause the device not to provide delay egress:Measure the voltage between green and orange wires o...:

How to adjust 9975 that is not retracting the latch bolt all the way?

Resolution: There are two screws on the center case that adjust the finger on the device to activates the mortise lock. Loosen the two screws and move the finger towards the end case. This will make the m...:

What certifications does the B500 meet?

Resolution: The B500 deadbolts meet the following certification: ANSI A156.5, 2001, Grade 2. Available UL Listed for 3-hour fire door.:

Can QEL and RX be added to an existing 9927?

Resolution: The QEL conversion kit (3' or 4') and the RX switch kit (050251-00) can convert the 9927 to QEL-RX9927 device.:

How many credentials can a CM lock hold How many users can a CM lock hold

Resolution: First generation Black CM (Cylinder under reader)500 usersSecond generation Steel CM (Cylinder above reader)1000 users :

Will the 6300 electric strike work with 88-F or the 88 rim panic?

Resolution: Von Duprin 6300 electric strike will operate with 88 rim but not 88F fire rated exit devices.:

Will the EL retrofit kit work on an old style 3347?

Resolution: The EL retrofit kit will work with an old style 33/3547 exit device.:

Is there a wood door template for the 9957?

Resolution: There is not a wood template for 9957 three point latches, use the 98/99 rim template W10301 to get the correct device backset. For NL trim (990NL) use trim template and installation instruction W...:

Are the Von Duprin 3347A exit device latches the same as the old 3347 latches?

Resolution: Yes, the current 3347A/3547A/3347A-F/3547A-F latches are the same as the latches used with the old style Von Duprin 3347/3547/3347-F/3547-F devices. :