5.2 Specification
Specification
Type SPEA
1.63 m
2
3.26 m
2
Number of tubes
9
18
Gross area
(required when applying for subsidies)
m
2
2.69
5.3
Absorber area
m
2
1.63
3.26
Clearance between collectors
mm
44
44
Dimensions
Width
mm
1173
2343
Height
mm
2244
2244
Depth
mm
160
160
The following values apply to the absorber area:
–
Optical efficiency
%
78.5
76.7
–
Heat loss factor k
1
W/(m
2
· K)
1.847
1.649
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.005
0.006
The following values apply to the aperture area:
–
Optical efficiency
%
73.9
72.3
–
Heat loss factor k
1
W/(m
2
· K)
1.74
1.554
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.004
0.006
The following values apply to the gross area:
–
Optical efficiency
%
47.9
47.2
–
Heat loss factor k
1
W/(m
2
· K)
1.127
1.014
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.003
0.004
Thermal capacity
kJ/(m
2
· K)
3.23
3.28
Weight
kg
51
102
Liquid content
(heat transfer medium)
litres
0.86
1.72
Permiss. operating pressure
With installation of an 8 bar safety valve (accessories)
bar/MPa
bar/MPa
6/0.6
8/0.8
6/0.6
8/0.8
Max. stagnation temperature
°C
175
175
Steam-producing power
W/m
2
60
60
Connection
Ø mm
22
22
Specification for determining the energy efficiency class (ErP label)
Type SPEA
1.63 m
2
3.26 m
2
Aperture area
m
2
1.73
3.46
The following values apply to the aperture area:
–
Collector efficiency
η
col
, at a temperature differential
of 40 K
%
65
65
–
Optical efficiency
%
71
71
–
Heat loss factor k
1
W/(m
2
· K)
1.2
1.2
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.006
0.006
Incidence angle modifier
IAM
0.88
0.88
Vitosol 200-TM, type SPEA
(cont.)
22
VIESMANN
VITOSOL
5
5822 440 GB
