Vaillant auroTHERM VTK 570/2, Руководство по установке

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Installation manual auroTHERM 0020077994_00 42
0
0%
10%
20%
30%
40%
50%
60%
70%
80%
5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Δ
T
η
Fig. 10.4 Efficiency of the VTK 570/2 and the 1140/2 at an ir-
radiance Eg of 800 W/m 2
Key
K
Efficiency [%]
'
T = T
Collector
- T
Ambient air
[K]
160
140
120
100
90
60
40
20
0
Q [l/h]
Δ
p [mbar]
0 50 100 150 200 250 300 350 400 450 500
VTK 1140/2
VTK 570/2
Fig. 10.5 Pressure loss graph
Key
Q Mass flow [l/h]
'
p Pressure loss [mbar]
10 Technical data