Pressure Drop (Primary Circuit) Vitodens - Viessmann vitodens Technical Manual

Pressure drop (primary circuit) Vitodens 300 and 333
For the design of an on-site heating circuit pump.
1000
100
90 900
800
80
70 700
600
60
50 500
400
40
30 300
20 200
10 100
0 0
0 500
Flow rate in litres/h
A Vitodens 300 up to 35 kW and
Vitodens 333
VITODENS
A
1000 1500 2000 2500
B Vitodens 300 from 49 kW
B
3000 3500
3.1 Water connection
69
300
333
3