Viessmann Solar-Divicon PS10 Installation And Service Instructions Manual page 16

Installation sequence
Replacing the circulation pump
Pump curves
3-stage circulation pump
600 60
500 50
400 40
300 30
200 20
100 10
0 0
0 0.5
Pump rate in m³/h
16.7
0 8.3
Pump rate in l/min
Fig. 10
Pressure drop curve
A
B Head at output stage I
Head at output stage II
C
Head at output stage III
D
HE circulation pump with PWM control, types PS10 and P10
800 80
600 60
400 40
200 20
0 0
0
Pump rate in m³/h
0
Pump rate in l/min
Fig. 11
Pressure drop curve
A
Max. delivery head
B
16
(cont.)
A
D
C
B
1 1.5 2 2.5
25
33.2 41.7
B
A
0.5 1.0
8.3 16.7
3
50
1.5
25
2.0
33.2