Viessmann VITODENS 200-W Technical Manual page 9

Vitodens 200-W
(cont.)
Residual head of the circulation pump
70 700
600
60
50 500
40 400
A
300
30
200
20
100
10
0
0
0 200 400 600 800 1000
Flow rate in l/h
A Stage 1
B Stage 2
C Stage 3
Pressure drop (primary circuit)
For sizing an on-site circulation pump
60 600
50 500
400
40
30 300
20 200
10 100
0 0
0 500 1000
Flow rate in l/h
Circulation pump in the connection set for DHW cylinders
Pump type
Voltage V~
Power consumption W
VITODENS 200-W
B C
1200 1400 1600 1800 2000 2200 2400 2600
1500 2000 2500 3000
VI RS 25/6-3
230
max. 93
min. 46
3500
1
VIESMANN
9