Technical data 10
0020100571_03 auroTHERM, auroTHERM plus Installation manual
47
10 Technical data
10.1
Technical data table
Unit
VFK 145/2 H/V
VFK 155 H/V
Absorber type
−
Serpentine horiz./vert.
Dimensions of vertical collectors (L x W x H)
mm
2033 x 1233 x 80
Dimensions of horizontal collectors (L x W x H)
mm
1233 x 2033 x 80
Weight
kg
38
Liquid volume
l
2.16 (H)
1.85 (V)
Max. permissible operating pressure
bar
10
Shutdown temperature
°C
170
200
Gross area
m
²
2.51
Aperture surface area
m
²
2.35
Absorber surface area
m
²
2.33
Absorber
mm
Aluminium (vacuum-coated) 0.4
x 1178 x 1978
Aluminium (vacuum-coated) 0.5
x 1178 x 1978
Coating
−
High selective (blue)
α
= 95%
ε
= 5%
Glass thickness
mm
3.2
Glass type
−
Solar safety glass (prismatic
structure)
Solar safety glass (anti-reflective
coating)
Transmission
%
τ
= 91
τ
= 95
Back wall insulation
mm
W/m
²
K
kg/m
³
40
λ
= 0.035
ρ
= 55
Edge insulation
−
None
Available
Efficiency
η
0
%
79.8 (H)
79.0 (V)
84.5 (H)
85.0 (V)
Heat loss factor k
1
W/m
²
K
3.79 (H)
3.72 (V)
3.98 (H)
3.77 (V)
Heat loss factor k
2
W/m
²
K
²
0.016 (H)
0.016 (V)
0.013 (H)
0.015 (V)
Max. wind load
kN/m
²
1.6
Max. standard snow load
kN/m
²
5.0
On-roof installation angle
°
15 - 75
Flat roof installation angle
°
30, 45, 60
