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4. THE DOOR OPERATION SEQUENCE
4.1. The door operation without the motor drive
4.1.1. The opening the door
4.1.1.1. The opening the door from outside of the premises
1. Insert the key into the lock
cylinder
2. Make one turn of the key
counterclockwise.
3. Turn the lock handle clockwise
by 90°.
4. Return the key into the
original position and remove it
5. Lift the door, keeping it at the
handle, to the end position of
4.1.1.2. The opening the door from inside of the premises
retainer into the open position
and turn the handle by 90°
counterclockwise.
perpendicularly to the door
leaf. Due to the inertia of the
spring, the latch moves to the
3. Lift the door, keeping it at the
handle, to the end position of
fixation.
* When locking device of the mechanical latch is available.