Vaillant auroTHERM exclusive VTK SERIES Installation Manual download pdf (Page 64)

10 Technical data

64 Installation manual auroTHERM exclusive 0020077994_02

10 Technical data

10.1 Technical data table

Unit VTK 570/2 VTK 1140/2

Number of tubes − 6 12

(Aperture), DIN4757-4 or EN12975 % 64.2

with wind, or on aperture W/(m²k) 0.885

with wind, or on aperture W/(m²k²) 0.001

θ,trans

(50°), or on aperture − 1

θ,long

(50°), or on aperture − 0.9

Yield forecast (location: Würzburg, 5 m² aperture,

300 litre cylinder, 4 people)

kWh/m²a 586

Peak output per collector module W

peak

W 642 1278

Area-related heat capacity c kJ/(m²k) 8.3

Volume flow (per m² of collector surface) l/(m²h) 24

Minimum volume flow in the solar circuit l/h 180

Absolute pressure in the high vacuum bar 10

-5

mbar (= 10

-8

bar)

Alpha absorber absorption − > 93.5% (see also ITW test report)

Epsilon absorber emission − < 6% (see also ITW test report)

Grid dimensions (length x height x depth) m 0.7 x 1.65 x 0.11 1.39 x 1.65 x 0.11

Gross area m² 1.16 2.30

Aperture surface area m² 1.0 2.0

Absorber surface area m² 1.0 2.0

Collector capacity l 0.9 1.8

Weight kg 19 37

System overpressure, max. permissible bar 10

Shutdown temperature, max. °C 272

Connection width, flow/return mm 15

Material for the tube collector − Al/1.4301/glass/silicone/PBT/EPDM/TE

Material for glass tubes − Borosilicate 3.3

Material for selective absorber layer − Aluminium nitride

Glass tubes (outer diameter/inner diameter/wall

thickness/tube length)

− 47 / 37 / 1.6 / 1500

Colour (plastic parts) − Black

Thermal shock test ITW test

number

02COL282

Hail impact test in accordance with DIN EN 12975-2 TÜV test

number

435/142448

Type approval number − 01-228-770

Max. wind load kg/Nm

1.2

Max. standard snow load kg/Nm

On-roof installation angle ° 15-75

Flat roof installation angle ° 30, 45, 60

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 70 71 72

Comments to this Manuals

No comments

Vaillant auroTHERM exclusive VTK SERIES Installation Manual Page 64

Comments to this Manuals

Related products and manuals for Unknown Vaillant auroTHERM exclusive VTK SERIES