Viessmann Vitosolic 200 Installation And Service Instructions Manual page 21

System design 4
Dual mode DHW heating with two DHW cylinders
(particularly suitable for retrofitting in existing systems)
DHW heating without solar energy ß
9 qP
6 D
7
ß
ß
D
DHW heating with solar energy
4
D ß
2
3
4
H
D
H
º
21