42
Motor-driven lock for timber and steel doors
Operating instructions
B-2156x | B-2157x
11.2021 | | Designed in Germany
EN
Handling the lock during the shell construction phase
Protect the lock against moisture and vibrations.
Do not allow the lock to be dropped or hit.
Do not drill into the door leaf if the lock is installed.
Never use a hammer or similar for the installation of the square spindle.
Never lift or carry the door leaf on the lever handle.
Do not cover or paint over the faceplate and latchbolt.
Load the lever handle only by hand in the specified direction of rotation.
Do not operate the lever handle and cylinder locking cam at the same time.
When delivered, the lock is provided with a slotted insert. After completing the shell
construction phase, the PC insert must be replaced with a profile cylinder.
A lock with PC insert can be opened using a screwdriver.
1. Insert a screwdriver into the slot.
2. Turn the screwdriver.
The latchbolt is retracted by
the turning of the screwdriver.
NOTE
3.2 Installation overview
B 5490 0300
U
max
24 V DC ± 15%
I
max
1 A
I
min
20 mA
Duty ratio 100%
EN
50131-1
50131-1
III
EN
1670
1670
III
(96 hrs.)
IP30
IP30
1
.
2
.
°C
-20°C
+60°C
40°C
≤95%
