Koch BVS20 Installation manual

Brief programming instructions
1/4 PKA TC BVS20 e 07.18
Door (video) intercom TC:Bus with central controller BVS20
Programming of an intercom call button
When programming, the serial number of the internal intercom unit is programmed on the
external intercom unit and linked to the desired call button.
1.
2a. 2b. 2c.
3.
Programming further internal intercom units: repeat steps 2and 3respectively
4.
Briefly press the programming button on the BVS20 control unit →the LED flashes
→Programming mode ON
Briefly press the programming button on the BVS20 control unit →the LED lights up permanently
→Programming mode OFF
Hands-free internal intercom unit:
Press talk button briefly
Handset intercom unit:
lift the handset
Briefly press the corresponding call button
on the external intercom unit within 8 seconds.
...both the external and
internal intercom units start rin
g
in
g
.
Not accessible internal
intercom unit:
Briefly press the
apartment doorbell
twice.(the 2nd time while it
is rin
g
in
g)
→A confirmation tone is heard on the external intercom unit (TCU3).

2/4
Programming an intercom call button, that is already programmed
An intercom call button can be linked with the serial numbers of two different internal
intercom units. As a result these two indoor intercom units will ring at the same time in parallel.
1.
2a. 2b. 2c.
3.
4.
Briefly press the programming button on the BVS20 control unit →the LED flashes
→Programming mode ON
Press and hold the
corresponding call button on the
external intercom unit within
8 seconds - wait 3 rings
As soon as you hear
the internal and external
intercom units ring ...
... release
the call button
immediatel
y
.
Briefly press the programming button on the control unit →the LED lights up permanently
→Programming mode OFF
Hands-free internal intercom unit:
Press talk button briefl
y
Handset intercom unit:
lift the handset
Not accessible internal
intercom unit:
Briefly press the apartment
doorbell twice.(the 2nd time
while it is ringing)
→A confirmation tone is heard on the external intercom unit (TCU3).

3/4
Delete the programming
Before a programmed intercom call button can be reprogrammed, the existing programming
must be deleted.
1.
2.
3.
Press and hold the call button….
(for approximately 6 seconds)
...until the second confirmation tone is heard
Briefly press the programming button on the BVS20 control unit →the LED lights up permanently
→Programming mode OFF
Briefly press the programming button on the BVS20 control unit →the LED flashes
→Programming mode ON

4/4
Determine the programming status of an intercom call button
External intercom units are delivered with or without programming.
Test
NoProg tone
Unprogrammed
intercom call button
Programmed
intercom call button
Internal intercom
unit not ready for
use or faulty
programming
Setting the door opener switching time
1.
2. 3.
Setting the light switching time
1.
2. 3.
Service
If you have any questions, please contact
our technical customer service team
Phone
044 782 6000
Fax
044 782 6001
[email protected]
Subject to technical changes
René Koch AG
Seestrasse 241
8804 Au/Wädenswil
044 782 6000
044 782 6001 Fax
[e-mail]
www.kochag.ch
look listen talk
NoProg tone
Ringing tone
Error tone
Set the length of time you
would like the door to remain
open (min. 0.8 s, max 8 s)
Save time setting: Briefly press
the programming button
→the display LED flashes
Briefly press the programming
button →the display lights up
permanently
Save time setting: Briefly press
the programming button
→the display LED flashes
Briefly press the programming
button →the display lights up
permanently
Set the length of time you
would like the light to remain on
(min. 0.8 s, max. 5 min).