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Collector:

External dimensions: length

1600

1600

width

900

1410

height

100

100

Weight

36

58

Aperture area

1,26 m²

2,10 m2

Number of vacuum tubes

12

20

Glass cover tube external diameter

47 mm

Glass cover tube length

1500 mm

Cover material

Borosilicate glass 3.3

Vacuum

p < 0,005 Pa

Absorber:

Absorber material: Inner copper U-pipes fin

D=9,52 thickness 0,65 mm

Inner aluminium

0,8 mm

Surface treatment

Sputtered selective

Absorption coefficient

a > 0,93

Emission coefficient

e < 0,06

Absorbing surface glass tube diameter

33 mm

Heat transfer medium: closed circuit

Glycol brine

Insulation and Casing:

Thermal insulation thickness of header

30 mm

Insulation material of header

Expanded Polyurethane (40-45 kg/m³) and fiberglass

Casing material

Aluminium

Diameter of connections

22 mm

Limitations:

Maximum temperature of operation

220 °C

Maximum operating pressure

10 bar

Pressure tested in production

15 bar

Output for Germany (Würzburg)

647 kWh/m²/year

Certification:

EN 12975-2 / ISO 9806-1 / Solar Keymark