Viessmann VITOLIGNO 300-P Service Instructions Manual page 109

Repairs
(cont.)
Max. cable length 50 m.
A
C
13c
9
A Vitotrol 300A
B 2-pole plug aVG (control unit or KM
BUS distributor)
Connecting several remote control
units
Installation and service instruc-
tions for Vitotrol 300A
Vitotrol 200A and Vitotrol 300A can be
connected together to a Vitotronic con-
trol unit.
Installation and service instruc-
tions for Vitotrol 200A
Note
Never route the cable to the remote con-
trol immediately next to 230/400 V
cables.
C Separate room temperature sensor
(accessory)
Specification
Power supply via KM BUS
Power consumption
Safety category
IP rating
Permissible ambient temperature
■ During operation
■ During storage and
transport
Set room temperature
range
Troubleshooting
B
0.5 W
III
IP 30
0 to +40 °C
−20 to +65 °C
3 to 37 °C
109