Assembly and Operation Manual
The universal construction provides:
use of standard pin-type lock cylinders, standard EuroDIN (V DIN 18254), e.g. type 8809,
8209, 8259 produced by company ISEO (Italy) or lock cylinders of D series by Wilco
Supply (type 254 – 274 – 294, 453, 454, 554);
installation of escutcheon plates and door levers from leading manufacturers – ABLOY,
Azbe, GARD, KALE, CISA and other, that enables the usage of lock with doors of up to
50 mm width.
7. OPERATING PRINCIPLE
The lock is a fail-safe device and opens by turning the lever after the locking device is released.
Until the locking device is released the lever is blocked from turning.
Unblocking of the lock is performed by:
turning the key in lock cylinder counter clockwise against stop and holding it and after
turning the lever;
de-energizing the lock from an ACS controller and after turning the lever;
After unblocking of the lock and turn of the lever (about 40º) the locking bolt is moved inside, and
the door can be opened. You just need to shut the door to lock it, without turning the lever due to
locking bolt moves to the skew.
Position
Unit
Quantity
Note
A1
Power supply unit
1
12V, 0.5A, 6W
A2 Lock
controller
1
A3 Lock
1
S1 Reed
switch
1
Fig. 2 LC-72.4 electromechanical lock connection layout
4
