Delivered condition
Packed in separate boxes:
1.26 m
2
10 vacuum tubes per packing unit
Header casing with mounting rails
1.51 m
2
/3.03 m
2
12 vacuum tubes per packing unit
Header casing with mounting rails
Viessmann offers complete solar thermal systems with Vitosol 300-
TM (packs) for DHW heating and/or central heating backup (see
pack pricelist).
4.2 Specification
Specification
Type SP3C
1.25 m
2
1.51 m
2
3.03 m
2
Number of tubes
10
12
24
Gross area
(required when applying for subsidies)
m
2
1.98
2.36
4.62
Absorber area
m
2
1.26
1.51
3.03
Aperture area
m
2
1.33
1.60
3.19
Clearance between collectors
mm
—
88.5
88.5
Dimensions
Width a
mm
885
1053
2061
Height b
mm
2241
2241
2241
Depth c
mm
150
150
150
The following values apply to the absorber area:
–
Optical efficiency
%
79.2
79.7
78.2
–
Heat loss factor k
1
W/(m
2
· K)
1.512
2.02
1.761
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.027
0.006
0.008
The following values apply to the aperture area:
–
Optical efficiency
%
75
75.2
74
–
Heat loss factor k
1
W/(m
2
· K)
1.432
1.906
1.668
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.025
0.006
0.007
The following values apply to the gross area:
–
Optical efficiency
%
50.4
51
51.4
–
Heat loss factor k
1
W/(m
2
· K)
0.932
1.292
1.158
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.017
0.004
0.005
Thermal capacity
kJ/(m
2
· K)
6.08
5.97
5.73
Weight
kg
33
39
79
Liquid content
(heat transfer medium)
litres
0.75
0.87
1.55
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
6/0.6
8/0.8
Max. stagnation temperature
°C
150
150
150
Steam-producing power
W/m
2
0
0
0
Connection
Ø mm
22
22
22
Specification for determining the energy efficiency class (ErP label)
Type SP3C
1.26 m
2
1.51 m
2
3.03 m
2
Aperture area
m
2
1.33
1.6
3.19
The following values apply to the aperture area:
–
Collector efficiency
η
col
, at a temperature differential
of 40 K
%
68
69
69
Optical efficiency
%
74
76
76
–
Heat loss factor k
1
W/(m
2
· K)
1.3
1.3
1.3
–
Heat loss factor k
2
W/(m
2
· K
2
)
0.007
0.007
0.007
Incidence angle modifier
IAM
0.98
0.98
0.98
Vitosol 300-TM, type SP3C
(cont.)
VITOSOL
VIESMANN
19
5822 440 GB
4