7
D
13c
9
145
3 2 1
7 6 5 4
X3
X4
A
B
C
4
3
2
1
A
Vitotrol 300A
B
2 or 3-pole plug
aVG
(to the control
unit or the KM BUS distributor)
C
Weather-compensated control unit
with terminals X3
D
Separate room temperature sensor
(accessory)
Connecting several remote control units
Up to 2 remote control units can be connected to a boiler control unit, incl. a
Vitotrol 200A
and
a Vitotrol 300A.
Vitotrol 200A installation instructions
Installation sequence
Installing and connecting the Vitotrol 300A
(cont.)
5458 093 GB
Installation