Viessmann VITODENS 200-W Type B2HA Technical Manual page 25

Vitodens 200-W
(cont.)
Pressure drop on the heating water side
For sizing a cylinder loading pump (on site).
600 60
500 50
400 40
300 30
20
200
100 10
0 0
0 1000
Flow rate in l/h
Note
When the heating circuit pump and circulation pump for cylinder
heating are operated in parallel mode (no DHW priority control), we
recommend the installation of a DHW cylinder in the secondary side
of the heating system.
VITODENS 200-W
2000 3000 4000 5000
DHW cylinder connection set for connecting the DHW cylinder
upstream of the low loss header, see accessories.
6000 7000
1
VIESMANN
25