RiTTO TWINBUS, System Manual

Page: 36 / 197

Inst
alla
tion
Installation: Assembly, connection and start-up
36
Connection
Connect screening on incoming and outgoing lines. Connect all unused wires as screen for YR lines.
Button adapter 1 4645 must be used when multiple indoor telephones operated in parallel are to react to one
apartment button (ED).
Starting up
Start-up can take place using the indoor telephone or the apartment button. Start-up using the apartment button is
useful if you do not have access to the residential unit.
In order to allow the operator to change the call tone of the main bell button, the main bell button must be programmed
as the main button when initial setting takes place. The procedure must be repeated for other bell buttons.
The intercom can be used for start-up with two persons.
Adjustment protection
The TwinBus power supply unit can be used to give the connected intercom units a setting protection to prevent them
from being changed inadvertently - see page
☞
100
.
A negative acknowledge tone when the setting button is pressed is an indication that the adjustment protection facility
has been activated.
Starting up using the indoor telephone
One-man start-up
Standard connection
Connections
a, b bus terminal
ED, ED apartment button
Activity Result
#
"
!
$
00009-0
>Press and hold for 5 s
until
flashes
Within one minute, press the button
to be assigned on the door station
RiTTO acoustic signal for confirmation at
indoor telephone and door station
RiTTO