Viessmann Vitogas 050 Rs Series Installation & Service Manual page 28

Vitogas 050, RS controls and accessories
Please refer to the
corresponding Vitotronic
control manual shipped with
the boiler
K
J
4˝ x 4˝
4˝ x 4˝
W
Fig. 27
Vitotronic Boiler Control
H
R
J-1
Honeywell
S8600B
S
P
A
MV GND 24V
R
MV PV PV BRN GND 24V
K
Q
P
U & V
2-stage
module
#41 plug
S
T
M & O
41-plug
#90
A
L & N
U & V
D
I
B
C