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Outdated Product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

12 months

Main
Type	vacuum
Loop system	closed
Mounting	inclined
Suitable for	heating and DHW
Year-round use


Design
Absorber material	aluminium nitride
Absorber area	2 m²
Aperture area	2 m²
Total collector area	2.3 m²
Tube type	coaxial vacuum direct heating
Number of tubes	12

Technical specs
Max. pressure	10 bar
Efficiency	64.2 %
Mirror reflection coef. p	85 %
Absorber absorption coef. α	93.5 %
Absorber emissivity coef. ε	6 %
Stagnation temperature	272 °C
Heat loss coef. k1	0.885 W/m²*K
Heat loss coef. k2	0.001 W/m²*K


More specs
In box	1 collector
Dimensions (WxHxD)	1392x1652x111 mm
Collector weight	37 kg
Added to E-Catalog	august 2017

Information in model description is for reference purposes.
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auroTHERM exclusive VTK 1140/2

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