Viessmann Vitocell 360-M - Specification

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