Kingspan Varisol DF, Installation Manual

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Varisol Installation Manual
26
Technical Specifications
* With DF models, a secondary heat dissipation circuit is recommended
Max. Number of Tubes 150 150 150
Dimensions/ tube
Absorber Area (m
2
) 0.100 0.100 0.100
Width of Manifold (mm) 70.9 70.9 70.9
Length (tube and manifold) (mm) 1950 1955 1955
Depth (mm) 70.9 70.9 70.9
Aperture Area (m
2
) 0.105 0.106 0.106
Fluid Volume (ltr) 0.19 0.05 0.05
Inlet and Outlet Dimensions (mm)
22 22 22
Weight (empty) (kg) 2.2 2.13 2.13
Mounting
Recommended Inclination (˚) 0-90 20-70 20-70
Performance Data
Efficiency
Based on Aperture Based on Aperture Based on Aperture
eta 0 0.783 0.76 0.78
a
1
(W/m
2
K) 1.061 1.621 2.112
a
2
(W/m
2
K
2
) 0.023 0.008 0.006
IAM (50˚) 0.96 0.96 0.96
η
cal (40k, 1000W) 0.704 0.682 0.686
Solar Keymark Licence Nos 011-751238F 011-751936R 011-751935R
Operating Data
Flow Rate (L/min)
Rated/ tube 0.1 0.1 0.1
Minimum/ tube 0.067 0.067 0.067
Maximum/ tube 0.25 0.25 0.25
Maximum Operating Pressure 6 Bar 6 Bar 6 Bar
Stagnation Temperature (˚C) 240 100 192
Heat Transfer Fluid Water/Glycol Water/Glycol Water/Glycol
Max. Load [kN/m
2
]
(DIN 1055-5)
2.5 2.5 2.5
Materials
Absorber Copper Copper Copper
Coating
Selective Coating Selective Coating Selective Coating
Absorbance (%) 95 95 95
Emissivity (%) 5 5 5
Mounting Frame and Clips Stainless Steel, Stainless Steel, Stainless Steel,
Aluminium, Aluminium, Aluminium,
EPDM EPDM EPDM
Glass Low Iron Low Iron Low Iron
- Transm. 0.92 - Transm. 0.92 - Transm. 0.92
Vacuum <10-6mbar <10-6mbar <10-6mbar
Temperature Limitation None* 90 135
Quality Certification/ Yes Yes Yes
Solar Keymark
HP90 HP135 DF