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FAQs

Dutch Door Prep Continuous Hinge, 600/700 series

Resolution: The only continuous hinges available with a Dutch door prep are the 600/700 series, which is an engineering special option. When ordering a 600/700 series continuous hinge with a Dutch door p...:

Wiring diagram for L949X EU (electrically unlocked) when using the deadbolt monitor to disable outside from becoming unlocked when deadbolt is thrown.

Resolution: L949X EU (electrically unlocked) with deadbolt monitor (DM) can be found here.:

Wiring diagram for L949X EL (electrically locked) when using the deadbolt monitor to disable outside from becoming unlocked when deadbolt is thrown.

Resolution: L949X EL (electrically locked) with deadbolt monitor (DM) can be found here. :

Are the letters engraved on the D271 indicator deadbolt?

Resolution: The indicator sign for the B571/D271 is an engraved aluminum plate. :

What is the leading edge of a door with respect to door bottoms ?

Resolution: With respect to mortised automatic door bottoms (ADB) , door will sometimes be specified with a clean leading edge. This is specified for aesthetics. For mortised automatic do...:

What does "LBS" mean in my Von Duprin exit device description?

Resolution: This means Less Bottom Strike in Von Duprin nomenclature:

Can the Von Duprin 996L-NL Rigid Lever Trim be converted to "classroom" Active Lever Trim (996L)?

Resolution: No, the 996 L NL Rigid Lever Trim has a different spindle and different internal parts than the "active" lever trim, 996L. A new 996L lever trim must be obtained.:

Is the Von Duprin 88 EO ready to accept a rim cylinder for NL function?

Resolution: Yes, the 88 EO device has a "drive" cam on the backplate that will retract the latch when turned by a rim cylinder tailpiece. The 88 EO device is also "NL" function. :

Will the PS800 circuit boards work in the newer PS900 power supplies?

Resolution: No, the PS900 power supplies MUST use the newer PS900 circuit boards. The obsolete PS800 circuit boards will NOT work in the PS900 power supplies. :

How do I select an Ives architectural butt hinge?

Resolution: As a starting point, the Ives catalog will answer most questions regarding architectural (butt) hinges. Click HERE for the catalog. Note: These are general GUIDELINES o...: