GB
Manual Door intercom devices a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B
Connection
GB
66
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a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B door intercom manual
Connection
D
Distance between speakers
and microphone must be at
least 15 cm
!
Built-in speakers
20-9200 to 20-9202
To the outside door
intercom device
under the cabin
20-9230
Red patch cable
20-9302
Yellow patch cable
20-9309
To the button
in the cover
T1
To the speaker
in the cover
To the microphone
in the cover
Travelling cable
Built-in microphone
20-9204
Emergency call button
in the cabin
Alternative:
Emergency call
button (T2) in the
cabin directly at the
lift emergency hone
above screened cable
Alt
ern
ati
ve
St
and
ar
d
Emergency call button
- Must be potential-free
- Normally configured closing contact (default)
- Optional opening contact (configuration step 970)
Alternative for non-isolated button (1.40 or later):
- Connect button with 6 - 24V at the alarm input minding the polarity
- Set configuration step 17 to value “6” (trigger like T2)
Please note: if the button is connected via the control cabinet, an intermedi-
ate relay must be inserted into the emergency phone.
T
T2
Cable screen
(Mass)
Analogue landline connection, analogue extension of a tele-
phone system or GSM gateway
Lift emergency phone 20-0028A (up to firmware version BT MA 1.63, delivered up to the third
quarter of 2018)
Please note:
Please compare your connection boards of the delivered device/rep. kit to the con-
nection boards in the picture. You can find further configuration steps from page 72 onwards.
For terminal row
assignment see
also page 62
