Technical Data - Vaillant auroTHERM VFK 145/2 H Installation Manual

9 Technical data

9 Technical Data
Absorber type
Dimensions (L x W x H)
Weight
Volume
Max. pressure
Stagnation temperature
Gross area
Aperture surface area
Absorber surface area
Absorber
Coating
Glass thickness
Glass type
Transmission
Back wall insulation
Edge insulation
Efficiency 
0
Heat loss factor k
1
Heat loss factor k
2
Table 9.1 Technical data
40
Unit VFK 145/2 H/V
mm
kg
l
bar
°C
m 2
2
m
m 2
Aluminium (vacuum coated)
mm
0.4 x 1178 x 1978
mm
Solar safety glass
(prismatic structure)
%
mm
2
W/m K
3
kg/m
79.8 (H)
%
79.0 (V)
3.79 (H)
W/m 2 K
0.016 (H)
2 2
W/m K
0.016 (V)
Serpentine horiz./vert.
1233 x 2033 x 80 (H)
2033 x 1233 x 80 (V)
38
2.16 (H)
1.85 (V)
10
170
2.51
2.35
2.33
High selective (blue)
 = 95 %
 = 5 %
3.2
 = 91
40
 = 0.035
 = 55
none
3.72 (V)
Installation manual auroTHERM 0020100606_02
VFK 155 H/V
200
Aluminium (vacuum coated)
0.5 x 1178 x 1978
Solar safety glass
(anti-reflection coating)
= 95
available
84.5 (H)
85.0 (V)
3.98 (H)
3.77 (V)
0.013 (H)
0.015 (V)