Cylinder capacity
l
300
400
500
Draw-off rate
l/min
15
15
15
Drawable water volume
l
110
120
220
Water at t = 60 °C (constant)
Heat-up time
The heat-up times specified will be achieved if the max. continuous
output of the DHW cylinder is made available at the respective heating
water flow temperature and when heating DHW from 10 to 60 °C.
Cylinder capacity
l
300
400
500
Heat-up time (min.) at heating water flow temperature
90 °C
16
17
19
80 °C
22
23
24
70 °C
30
36
37
Pressure drops
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
Heating water flow rate in
A
B
C
D
3
4
5
6
8
10
20
30
40
50
60
80
100
200
300
400
500
600
800
1000
kPa
mbar
l/h
Pressure drop on the heating water side
A
Cylinder capacity 300 l (upper indirect coil)
B
Cylinder capacity 300 l (lower indirect coil)
Cylinder capacity 400 and 500 l (upper indirect coil)
C
Cylinder capacity 500 l (lower indirect coil)
D
Cylinder capacity 400 l (lower indirect coil)
500 600
800 1000
2000
3000
4000 5000
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
3
4
5
6
8
10
20
30
40
50
60
80
100
kPa
A
B
6000
8000
Pressure drop in
DHW flow rate
in l/h
mbar
Pressure drop on the DHW side
A
Cylinder capacity 300 l
B
Cylinder capacity 400 and 500 l
DHW cylinders
(cont.)
VITOSOL
VIESMANN
65
5822 440 GB
11
