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class room function secure
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Question
Answer
Can an 18-R-L be converted to L-NL function in the field?
Resolution:
Follow step 6 of the 18-R instructions to convert trim function to Night Latch(L-NL).:
What is the difference between Night Latch (NL) and Class Room function?
Resolution:
Night Latch (NL)= key retracts the latch momentarily to allow entry. When key is removed, the latch will extend and locks the door (momentary unlock). Class Room (Lock/ Unlock)= key unlocks...:
On which closer is the fusible link arm available?
Resolution:
The Fusible Link arm is available with the 4010, 4020 and 4110 series closers. They all use the same Fusible Link arm. The UL Listing number is for the Fusible Link arms is R1943.The 4010 Series ca...:
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...:
What is a lock function?
Resolution:
Apartment Corridor Lock function is defined as a lock where the latch bolt operated by lever from either side, except when outside lever is made inoperative by a stop or mechanical means other than...:
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 the credential reader be changed on a CO-Series lockset?
Resolution:
A Credential Reader MAY be replaced with another Credential Reader of the same type; however, a Factory Default Reset must be performed before the lock will function properly.: