Heat-up time
The specified heat-up times will be achieved subject to the maximum
continuous output of the DHW cylinder being made available at the
relevant heating water flow temperature and when DHW is heated
from 10 to 60 °C.
Heat-up time (min.) at heating water flow temperature
90 °C
16
80 °C
22
70 °C
30
Pressure drop on the heating water side, upper indirect coil
500 600
800 1000
2000
3000
4000 5000 6000
8000 10000
0.3
0.4
0.5
0.6
0.8
1.0
2.0
3.0
4.0
5.0
6.0
8.0
10.0
20.0
30.0
40.0
50.0
60.0
80.0
100.0
Pressure drop
in
mbar
Heating water flow rate
in l/h
3
4
5
6
8
10
20
30
40
50
60
80
100
200
300
400
500
600
800
1000
kPa
Pressure drop on the DHW side
500 600
800 1000
2000
3000
4000 5000
DHW flow rate
in l/h
6000
8000
0.3
0.4
0.5
0.6
0.8
1.0
2.0
3.0
4.0
5.0
6.0
8.0
10.0
Pressure drop
in
mbar 3
4
5
6
8
10
20
30
40
50
60
80
100
kPa
DHW cylinders
(cont.)
44
VIESMANN
VITOSOL
7
5822 440 GB