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Vaillant auroTHERM exclusive VTK 1140/2

Photos - Solar Collector Vaillant auroTHERM exclusive VTK 1140/2
Outdated Product
Type: vacuum; Loop system: closed; Mounting: inclined; Suitable for: heating and DHW; Year-round use; Absorber material: aluminium nitride; Total collector area (m²): 2.3; Number of tubes: 12; Max. pressure (bar): 10; Efficiency (%): 64.2; Stagnation temperature (°C): 272; Heat loss coef. k1 (W/m²*K): 0.885
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Vaillant auroTHERM exclusive VTK 1140/2
Vaillant auroTHERM exclusive VTK 1140/2
12 months
Main
Typevacuum
Loop systemclosed
Mountinginclined
Suitable forheating and DHW
Year-round use
Design
Absorber materialaluminium nitride
Absorber area2 m²
Aperture area2 m²
Total collector area2.3 m²
Tube typecoaxial vacuum direct heating
Number of tubes12
Technical specs
Max. pressure10 bar
Efficiency64.2 %
Mirror reflection coef. p85 %
Absorber absorption coef. α93.5 %
Absorber emissivity coef. ε6 %
Stagnation temperature272 °C
Heat loss coef. k10.885 W/m²*K
Heat loss coef. k20.001 W/m²*K
More specs
In box1 collector
Dimensions (WxHxD)1392x1652x111 mm
Collector weight37 kg
Added to E-Catalogaugust 2017
Information in model description is for reference purposes.
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