Regulus KPG1H-ALC, Installation And Operation Manual

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14. DATA SHEET FOR KPG1H-ALC SOLAR COLLECTOR
Glazing material tempered low-iron glass
Insulation material mineral wool
Backplate material aluminium alloy, 0.5mm thick
Frame material aluminium alloy, frame colour silver
Absorber material aluminium, 0.4mm thick
Absorber surface coating TiNOx
Absorber tube size 12 x Cu Ø 8 mm × 0,4 mm
Connecting piping 4 x Cu Ø 22 mm × 0,8 mm
Materials
Data for Designers
Incidence angle modifier IAM (50°) 0,98
Max. collector output at 1000 W/m² solar irradiance
Q
max
1866 W
Collector efficiency at zero heat loss η
0b
0,744 per gross area
0,812 per aperture
Linear collector heat loss coefficient a
1a
3,716 W/m
2
K per gross area
4,054 W/m
2
K per aperture
Quadratic collector heat loss coefficient a
2a
0,013 W/m
2
K
2
per gross area
0,014 W/m
2
K
2
per aperture
Insulation thickness 40 mm
Empty weight 38 kg
Width x Height x Depth 2150 x 1170 x 85 mm
Total (gross) area
2.52 m
2
Aperture area
2.31 m
2
Glass thickness 3.2 mm
Max. working temperature 120 °C
Stagnation temperature 200 °C
Recommended flowrate 60 – 120 l/h
Max. working pressure 10 bar
Technical Data
Absorber design harp type, laser welded