Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 50

Installation sequence
Terminal connections
Cylinder temperature sensors and buffer temperature sensors
A
A Cylinder temperature sensor B 3
B Buffer temperature sensor B 42
C Buffer temperature sensor B 41
See the applicable system scheme from
page 8 onwards for use and layout of the
sensors.
50
(cont.)
B
E
1 2 3 4
ATS B42/
Funk
B10
Regelung
D Buffer temperature sensor B 4
E Junction box
C D
2 b
BSB