Viessmann VITOCELL 100-U Installation Instructions Manual page 19

Connections on the heating water and solar sides
KW Cold water
WW DHW
S1 Collector temperature sensor
S2 Cylinder temperature sensor
(solar side)
1
Vitocell 100-U and 100-W,
type CVU, comprising:
2 DHW cylinder with Solar-Set
Solar set, comprising:
3 Fill valve
4 Solar-Divicon
5 Vitosolic 100
(cont.)
6
Solar collector
7
DHW circulation
8
Heating circuit
9
Oil/gas fired boiler
qP
Air separator
qQ
Stratification pump
qW
Cylinder temperature sensor
(primary side)
19