Intended Use; Explanation Of Terms - Assa Abloy Effeff Technilock L4 Series Installation And Fitting Instructions

– Fail-unlocked
– Fail-locked
1 Striking plate
2 Face plate
3 Control latch
4 Follower / handle pin
A Rebate gap
B Backset behind
C Backset
– Profile cylinder
– Cylinder unlocking
– Lock pocket
Fig. 2:

Explanation of terms

EN
26

Intended use

The Technilock ® L4 is used for door locking in high security areas. The device is suitable for installation in
the frame and in the door leaf according to the installation instructions. It is not intended for any other
type of use.
Explanation of terms
The "fail-unlocked" product variant locks if electrical current flows (Fig. 1, page 24).
The "fail-locked" product variant locks if no electrical current flows (Fig. 1, page 24).
The striking plate is the counterpart to the lock installed in the door frame.
The face plate is screwed onto the door and fixes the Technilock
The control latch extends to the striking plate when the door is closed, and is pushed inward in the
process.
The handle pin is a square pin which is guided through the follower and ends in the door handle.
The rebate gap is the distance between the face plate and striking plate.
The backset behind is the distance from the centre of the keyhole to the rear edge.
The backset is the distance from the centre of the keyhole to the front edge.
The profile cylinder (locking cylinder) is installed and screwed into the opening of the door bolt box.
Cylinder unlocking takes place when the Technilock
The lock pocket is the recess in the door or in the door frame to accommodate the Technilock
® L4 is unlocked via the locking cylinder.
2
1
3
A
B
C
® L4 in the lock pocket.
Version with follower
4
® L4.
Notes