Viessmann Vitosol 100-FM Technical Manual page 69

DHW cylinders
(cont.)
Drawable water volume
■ Cylinder content heated to 60 °C
■ Without reheating
Draw-off rate
Drawable water volume
Water with t = 45 °C (mixed temperature)
750 l
950 l
Pressure drop on the heating water side
100 10.0
80 8.0
60 6.0
50 5.0
40 4.0
30 3.0
20 2.0
10 1.0
8 0.8
6 0.6
5 0.5
4 0.4
3 0.3
2 0.2
1 0.1
0.8 0.08
0.6 0.06
0.5 0.05
0.4 0.04
0.3 0.03
Heating water flow rate in
l/h
VITOSOL
l/min
Solar side pressure drop
1000 100.0
800
600
500
400
300
200
100
80
60
50
40
30
20
10
8
6
5
4
3
2
1
A Cylinder capacity 750 l
B Cylinder capacity 950 l
10
255
331
80.0
60.0
50.0
40.0
30.0
20.0
10.0
8.0
6.0
5.0
4.0
3.0
2.0
1.0
0.8 8
0.6 6
0.5 5
0.4 4
0.3 3
0.2 2
0.1 1
Process medium flow rate in
l/h
20
190
249
B
A
7
VIESMANN
69