Telecom Behnke 20 Serie Instructions page 40

mounting in walls or sheetrock panels. You will
find the most important pieces of installation
advice on stickers inside the housing. To install
your intercom device in a sheetrock panel,
please order the corresponding installation kit
(order no.: 20-5216).
Distance from the electronics to the buttons,
speaker and microphone (Please note: this can
only be done with the following electronics
components)
▸
20-0005: max. 25 m
▸ 20-0006, 20-0018 and 20-0048: For a single
button, the max. distance is 25 m; for two but-
tons, it is 12.5 m; for three buttons, it is 8.5 m*
*For cable lengths that exceed the above
mentioned lengths, a basic electronics 30-0006
(triphonie) can be used.
Wiring for remotely detached
installations (20-0005, 20-0006, 20-0018,
20-0048)
▸
Please use Behnke patch cable or screened
lines, e.g. IY-ST-Y or AY-ST-Y for installation
purposes and connect the line screen to the
12 V clamp of the door intercom station (not
the Ground).
Please note: For the front panel, please move
the line screen as close to the speaker, the
microphone and the button as possible to
then insulate it there.
Cleaning and maintenance
You have installed high-quality Behnke prod-
ucts with front panels made out of different
materials. Regardless of the material used, you
should clean the device surface in sufficiently
small intervals with a cleaning agent suitable
www.behnke-online.com
Manual Door intercom devices a / b Series 20 / 30 / 50
for the material in question. Doing so, will
prevent the formation of patina and early signs
of wear on the surfaces of your door intercom
device.
Behnke Original Parts
Please refrain from using any other than Behnke
Original Parts as accessories or spare parts
– this includes the power supply unit. Other-
wise, you may experience interference when
operating your door intercom device. Basic
electronics should only be installed or mounted
in the housing provided. When using third-party
housing or no housing at all, you will forfeit any
warranty on the functionality and license of your
device.
Configuration and Set-up
The door intercom stations may be set-up
directly via the basic electronics or remotely via
telephone (DTMF-signals = tone dialling). Prior
to their shipment, all door intercom stations
have been preconfigured with a standard con-
figuration.
Regulations
Please adhere to the respective guidelines for
the installation of communications and elec-
tronic systems!
GB
Introduction
40