Grant-UK-Complete-Product-Guide-May-2014

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Solar Thermal Range• Available in kits• High efficiency flat plate collector• Multifunctional controller• In-roof, on-roof & flat roof options• New compact pump station• Solar Keymark approvedSolar KeymarkCollector InformationLength (mm) 2043Width (mm) 1143Depth (mm) 80Collector gross area (m 2 ) 2.34Aperture/absorber area (m 2 ) 2.14Weight (kg) 40Glass tyoeESG, Durasolar P+ SandyGlass Thickness (mm) 3.2Degree of efficiency no (%) 82.6Effective thermal capacity(KJ/m 2 K 2 ) 12620Conversion factor ( ) 0.826Linear heat loss coefficient (a 1) 4.4Linear heat loss coefficient (a 2) (W/m 2 K 2 ) 0.008Stagnation temperature * ( o C) 177Maximum operating pressure (bar) 10Fluid content (ltr) 1.6Tilt angle (maximum/minimum) ( o ) 20/90Pressure drop (at 2.5l/min solar fluid) (mbar) 105*Test conditions - Irradiance 1000W/m 2 Ambient temperature 30°C24
Solar irradiation in the <strong>UK</strong> and IrelandThe diagram below shows the total average solar radiation falling on 1m 2 surface,inclined at 30° to the horizontal, measured in kilowatt-hours. The average propertyrequires approximately 3,000 kWh per year for domestic water heating.How to calculate the number of collectors requiredSouthDirection of roofSolar radiation(see above map)Number of people perhouseholdkWh/year
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Grant-UK-Complete-Product-Guide-May-2014

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