How does the L9453 and LV9453 operate?

L9453 Entrance lock operation:

  • Latchbolt is retracted by knob/lever from either side unless outside is locked by 20° rotation of thumbturn.
  • Deadbolt thrown or retracted by 90° rotation of thumbturn.
  • When locked the key outside or knob/lever inside retracts deadbolt and latchbolt simultaneously.
  • Outside knob/lever remains locked until thumbturn is restored to vertical position.
  • Throwing deadbolt automatically locks outside knob/lever.
  • Auxiliary latch deadlocks latchbolt when door is locked.
  • Inside lever is always free for immediate egress.

LV9453 Entrance lock operation (Vandlgard feature):

  • Latchbolt is retracted by knob/lever from either side unless outside is locked by 20° rotation of thumbturn.
  • Deadbolt thrown or retracted by 90° rotation of thumbturn.
  • When locked the key outside or knob/lever inside retracts deadbolt and latchbolt simultaneously.
  • Outside knob/lever remains locked until thumbturn is restored to vertical position.
  • When locked outside lever will rotate freely down while remaining securely locked.
  • Throwing deadbolt automatically locks outside knob/lever.
  • Auxiliary latch deadlocks latchbolt when door is locked.
  • Inside lever is always free for immediate egress.

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