Viessmann VITOTROL 300A - Connecting Several Remote Control Units

7
D
13c
9
145
3 2 17 6 5 4
X3X4
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