Renkforce 1168614 Notice D'emploi page 46

• When a 12 V supply is available, connect it to the terminals marked with 12 V AC or DC
at the back of the caller unit. In addition, there are also terminals marked
for the connection to an electric door opener which can be remotely opened
by the handset. When a 12 V supply is available, the Call
automatically illuminated once the surrounding gets dark. This and the electric door
latch opening feature will only be available when using 12 V supply.
If you are using a 12 V supply but the electric door latch does not function,
reverse the polarity connected to 12 V AC or DC and try again.
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.
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button (9) is pressed, this voltage will drop to 0 V temporarily for
8
button (12) before you press the
and
button (1) will be