Renkforce 1168614 Bedienungsanleitung Seite 47

The two most common types of commercially available door latches are either
fail-safe or fail-secure door latches.
Fail-safe door latch (NO contact)
The two terminals (A + B) normally provide a 12 V supply. Once the Doorlock
open
10 seconds. Always release the PTT
Doorlock open button.
Fail-secure door latch (NC contact)
The two terminals (A + C) normally provide 0 V. Once the Doorlock open
button (9) is pressed, the terminals will provide a 12 V supply temporarily for
10 seconds. Always release the PTT
Doorlock open button.
Under no circumstances should AC mains voltage be directly connected to
the terminal blocks (8).
Auxiliary terminal (AUX)
These two terminals act like a switch and will be short-circuited when the
doorlock open button
from the terminals. They can be used to trigger a conventional door chime,
for example.
• Insert 3 AAA batteries into the battery compartment to serve as a back-up in case
the 12 V supply fails. However, the door opener will not work, when the caller unit is
using batteries only.
• Install the caller unit back onto the wall bracket using the supplied special
screwdriver.
button (9) is pressed, this voltage will drop to 0 V temporarily for
(9) is pressed. However, there is no voltage supply
Connecting wires can come out from the opening at
the bottom in case not concealed in wall
button (12) before you press the
button (12) before you press the
To power supply and
electric door opener
47