Solar Heat Exchanger Set - Viessmann Vitosol 100-FM Technical Manual

DHW cylinders
Pressure drop on the heating water side
1000 100
800 80
600 60
500 50
400 40
300 30
200 20
100 10
80 8
60 6
50 5
40 4
30 3
20 2
10 1
8 0.8
6 0.6
5 0.5
4 0.4
3 0.3
Heating water flow rate in
l/h

Solar heat exchanger set

Part no. 7186 663
For the connection of solar collectors to the Vitocell 100-V,
type CVW
Suitable for systems to DIN 4753. Total water hardness of up to
20 °dH (3.6 mol/m 3 )
Max. collector surface area that can be connected:
■ 11.5 m
2 flat-plate collectors
■ 6 m
2 tube collectors
Permissible temperatures
Solar side
7
Heating water side
DHW side
– For boiler operation
– For solar operation
Permissible operating pressure
Solar side, heating and DHW side
Test pressure
Solar side, heating and DHW side
Minimum wall clearance
For installation of the solar heat exchanger set
VIESMANN
54
(cont.)
10 bar (1.0 MPa)
13 bar (1.3 MPa)
Pressure drop on the DHW side
100 10
80 8
60 6
50 5
40 4
30 3
20 2
10 1
8 0.8
6 0.6
5 0.5
4 0.4
3 0.3
DHW flow rate in
l/h
140 °C
110 °C
95 °C
60 °C
350 mm
VITOSOL