Viessmann Vitodens 200 Technical Manual page 88

3.1 Water interconnections
300
Residual head of the integral solar circuit pump
333
50 500
40 400
30 300
343
20 200
10 100
0 0
0 100
Flow rate in l/h
A Stage 1
B Stage 2
C Stage 3
3
Primary pressure drop Vitodens 300, 333 and 343
For sizing an on-site heating circuit pump.
100 1000
90 900
80 800
70 700
60 600
50 500
40 400
30 300
20
200
10 100
0 0
0
Flow rate in litres/h
A Vitodens 300, 26 kW to 35 kW and
Vitodens 333
B Vitodens 300, 13 kW and Vitodens 343
C Vitodens 300 from 49 kW
88
B
A
200 300 400 500
A
B
500 1000 1500 2000
C
600 700 800 900
C
2500 3000 3500
1000 1100 1200 1300
VITODENS
1400