Adjusting The Dip Switches; Inserting Batteries - Viessmann Vitotrol 300 Installation Instructions Manual

Connecting several remote control units
■ If several remote control units and
additional KM BUS users are connec-
ted, make the connections via an on-
site socket as shown in the diagram.

Adjusting the DIP switches

RTS
int. ext.
S3
ON
A PCB DIP switches (back of the cas-
ing top)

Inserting batteries

3 2 1
(cont.)
■ Limit the total length of all KM BUS
cables to 50 m.
Remote control
Delivered condition:
Remote control affects
heating circuit A1/M1/
HC1
Remote control affects
heating circuit M2/HC2
Remote control affects
heating circuit M3
When connecting a sep-
arate room temperature
sensor, also set DIP
switch "S3.3" to "ON".
To illuminate the display, insert the bat-
teries supplied (MICRO/ LR03/AAA) into
the battery compartment at the back of
the equipment.
DIP switch
setting
ON
ON
ON
ON
5