Viessmann VITOSOL SERIES Technical Manual page 66

DHW cylinders
Pressure drop
1000
800
600
500
400
300
200
100
80
60
50
40
10
30
20
10
8
6
5
4
3
Heating water throughput in litres/h
Pressure drop on the heating water side
VIESMANN
66
(cont.)
100
80
60
50
40
30
20
10
8
6
5
4
3
DHW throughput in l/h
Pressure drop on the DHW side
VITOSOL