Viessmann Vitoligno 300-P Service Instructions For Contractors page 98

Troubleshooting
Repairs
(cont.)
Codes
RTS
int. ext.
S3
ON
D PCB DIP switches (back of the cas-
ing top)
Specification
Power supply via KM BUS.
Power consumption
Protection class
Protection
Permiss. ambient temperature
■ during operation
■ during storage and transport
Setting range for set standard room temperature 10 to 30 ºC; change via coding
Setting range for set reduced room temperature 3 to 37 ºC
98
3 2 1
Remote control
Delivered condition:
The remote control
affects the heating cir-
cuit 1 with mixer M1
The remote control
affects the heating cir-
cuit 2 with mixer M2
When connecting a sepa-
rate room temperature
sensor, also set DIP
switch "S3.3" to "ON".
0.5 W
III
IP 30
0 to + 40 °C
−20 to + 65 °C
address "E1"
DIP switch
setting
ON
ON
ON