| Series | OEM 21 |
|---|
|
Number of evacuated tubes
|
21
|
|
ƞ0 in relation to aperture, EN 12975
%
|
74.5
|
|
a1 with wind, in relation to aperture
W/(m²k)
|
2.007
|
|
a2 with wind, in relation to aperture
W/(m²k²)
|
0.005
|
|
Yield forecast
kWh/m²a
((location Würzburg, Germany, reference area 3 m²))
|
780
|
|
Yield forecast
kWh/m²a
((location Würzburg, Germany, reference area 5 m²))
|
619
|
|
Grid dimensions (length x height x depth)
m
|
1.45 x 1.64 x 0.10
|
|
Gross surface area
m²
|
2.32
|
|
Aperture area
m²
|
1.33
|
|
Collector contents
I
|
2.5
|
|
Weight
kg
|
51
|
|
Max. working overpressure
bar
|
10
|
|
Max. stagnation temperature
°C
|
220
|
|
Connection diameter, compression itting
mm
|
15
|
|
Sensor sleeve and sensor PT 1000
|
6
|
| Collector material | Al / Cu / glass / silicone / PBT / EPDM / TE |
| Glass tube material | borosilicate glass 3.3 |
| Selective absorber coating material | aluminium nitrite |
| Glass tube (Ø ext./Ø int./wall thickn./tube lgth.) | 47/37/1.6/1500 |
| Colour (aluminium frame proiles, powder-coated) | aluminium grey |
| Colour (plastic parts) | black |
| Thermal shock test / ITW test number | 06COL517 |
| Hailstone test according to DIN EN 12975-2 / TÜV test number | 435/142448 |
| EC type examination | Z-IS-DDK-MUC-07-08-100029919-001 |
| DIN CERTCO registration number | 011-7S114R |
