Description
Composition:
- Dimensions (L×W×H): 1980×1010×86 mm (SKY20), 1930×1230×86 mm (SKY25), 2160×1260×86 mm (SKY27)
- Weight: 36.20 kg (SKY20), 43 kg (SKY25), 48 kg (SKY27)
- Collector tubes: Ø 22 mm
- Case material: Aluminium
- Insulation thickness: 40 mm
- Glass: Tempered glass, thickness 3.2 mm
- Net absorber surface area: 1.86 m² (SKY20), 2.23 m² (SKY25), 2.57 m² (SKY27)
- Total collector surface area: 2.00 m² (SKY20), 2.37 m² (SKY25), 2.72 m² (SKY27)
- Absorbent plate material: Aluminium
- Surface treatment: Selective TITAN (titanium oxide)
- Efficiency (opening): 0.761
- Loss coefficient (opening): α₁ = 3.60 W/m²K, α₂ = 0.014 W/m²K²
- Collector water capacity: 1.42 L (SKY20), 1.7 L (SKY25), 1.85 L (SKY27)
- Maximum operating pressure: 10 bar
- Stagnation temperature: 231 °C
- Standard casing colour: Grey