Licence Number 011-7S321 R Annex to Solar Keymark Certificate - Date issued Summary of EN ISO 9806:2013 Test Results Issued by

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1 Licence Number 011-7S321 R Annex to Solar Keymark Certificate - Date issued Summary of EN ISO 9806:2013 Test Results Issued by DIN CERTCO Licence holder Wolf GmbH Deutschland Brand (optional) Street, Number Postcode, City Industriestraße Mainburg Country Web Tel Michael.Klepmeir@wolf.eu Page 1/6 Collector Type CRK-6 Evacuated tubular collector Power output per collector Gb = 850 W/m²; Gd = 150 W/m² ϑm - ϑa 0 K 10 K 30 K 50 K 70 K 104 K m² mm mm mm W W W W W W area (A G ) length width height Power output per m² gross area Performance parameters test method Performance parameters (related to AG) Units Test results Incidence angle modifier test method Bi-directional incidence angle modifiers Incidence angle modifier Transversal Longitudinal Steady state - outdoor η0,hem a1 a2 - W/(m²K) W/(m²K²) Quasi dynamic - outdoor Yes Angle K θt,coll K θl,coll Heat transfer medium for testing Flow rate for testing (per gross area, A G ) Water dm/dt kg/(sm²) Maximum temperature difference for thermal performance calculations Standard stagnation temperature (G = 1000 W/m²; ϑ a = 30 ) Effective thermal capacity, incl. fluid (per gross area, A G ) Maximum operating temperature Maximum operating pressure (ϑ m -ϑ a ) max ϑ stg C/m 2 ϑ max_op p max,op K kj/(km 2 ) kpa Testing laboratory TZS, ITW University Stuttgart Test report(s) 14COL1031OEM06 Dated COL1032Q/1OEM COL456/ Comments of testing laboratory Datasheet version: 5.01, Data sheet based on results of test report 06COL456/7 Stamp & signature of test lab

2 Page 2/6 Annex to Solar Keymark Certificate Licence Number 011-7S321 R Supplementary Information Issued Annual collector output in kwh/collector at mean fluid temperature ϑ m, based on ISO 9806:2013 test results CRK-6 Standard Locations Athens Davos Stockholm Würzburg ϑ m Annual output per m² gross area Fixed or tracking collector Fixed (slope = latitude - 15 ; rounded to nearest 5 ) Annual irradiation on collector plane 1765 kwh/m² 1714 kwh/m² 1166 kwh/m² 1244 kwh/m² Mean annual ambient air temperature Collector orientation or tracking mode South, 25 South, 30 South, 45 South, 35 The collector is operated at constant temperature ϑm (mean of in- and outlet temperatures). The calculation of the annual collector performance is performed with the official Solar Keymark spreadsheet tool Scenocalc Ver (March 2016). A detailed description of the calculations is available at Additional Information Collector heat transfer medium Water-Glycole Hybrid Thermal and Photo Voltaic collector The collector is deemed to be suitable for roof integration The collector was tested successfully according to EN ISO 9806:2013 under the following conditions: Climate class (A, B or C) A -- Maximum tested positive load 2400 Pa Maximum tested negative load 3000 Pa Hail resistance using ice balls (diameter) 35 mm Energy Labelling Information Reference Area, A sol (m 2 ) Data required for CDR (EU) 811/ Reference Area A sol CRK Collector efficiency (η col ) 52 % Remark: Collector efficiency (η col ) is defined in CDR (EU) 811/2013 as collector efficiency of the solar collector at a temperature difference between the solar collector and the surrounding air of 40 K and a global solar irradiance of 1000 W/m², expressed in % and rounded to the nearest integer. Deviating from the regulation η col is based on reference area (A sol ) which is aperture area for values according to EN or gross area for ISO 9806:2013. Data required for CDR (EU) 812/ Reference Area A sol Zero-loss efficiency (η 0 ) First-order coefficient (a 1 ) 0.65 W/(m²K) Second-order coefficient (a 2 ) W/(m²K²) Incidence angle modifier IAM (50 ) Remark: The data given in this section are related to collector reference area (A sol ) which is aperture area for values according to EN or gross area for ISO Consistent data sets for either aperture or gross area can be used in calculations like in the regulation 811 and 812 and simulation programs.

3 Licence Number 011-7S321 R Annex to Solar Keymark Certificate - Date issued Summary of EN ISO 9806:2013 Test Results Issued by DIN CERTCO Licence holder Wolf GmbH Deutschland Brand (optional) Street, Number Postcode, City Industriestraße Mainburg Country Web Tel Michael.Klepmeir@wolf.eu Page 3/6 Collector Type CRK-12 Evacuated tubular collector Power output per collector Gb = 850 W/m²; Gd = 150 W/m² ϑm - ϑa 0 K 10 K 30 K 50 K 70 K 104 K m² mm mm mm W W W W W W area (A G ) length width height Power output per m² gross area Performance parameters test method Performance parameters (related to AG) Units Test results Incidence angle modifier test method Bi-directional incidence angle modifiers Incidence angle modifier Transversal Longitudinal Steady state - outdoor η0,hem a1 a2 - W/(m²K) W/(m²K²) Quasi dynamic - outdoor Yes Angle K θt,coll K θl,coll Heat transfer medium for testing Flow rate for testing (per gross area, A G ) Water dm/dt kg/(sm²) Maximum temperature difference for thermal performance calculations Standard stagnation temperature (G = 1000 W/m²; ϑ a = 30 ) Effective thermal capacity, incl. fluid (per gross area, A G ) Maximum operating temperature Maximum operating pressure (ϑ m -ϑ a ) max ϑ stg C/m 2 ϑ max_op p max,op K kj/(km 2 ) kpa Testing laboratory TZS, ITW University Stuttgart Test report(s) 14COL1031OEMOEM06 Dated COL1032Q/1OEM COL456/ Comments of testing laboratory Datasheet version: 5.01, Data sheet based on results of test report 06COL456/7 Stamp & signature of test lab

4 Page 4/6 Annex to Solar Keymark Certificate Licence Number 011-7S321 R Supplementary Information Issued Annual collector output in kwh/collector at mean fluid temperature ϑ m, based on ISO 9806:2013 test results CRK-12 Standard Locations Athens Davos Stockholm Würzburg ϑ m Annual output per m² gross area Fixed or tracking collector Fixed (slope = latitude - 15 ; rounded to nearest 5 ) Annual irradiation on collector plane 1765 kwh/m² 1714 kwh/m² 1166 kwh/m² 1244 kwh/m² Mean annual ambient air temperature Collector orientation or tracking mode South, 25 South, 30 South, 45 South, 35 The collector is operated at constant temperature ϑm (mean of in- and outlet temperatures). The calculation of the annual collector performance is performed with the official Solar Keymark spreadsheet tool Scenocalc Ver (March 2016). A detailed description of the calculations is available at Additional Information Collector heat transfer medium Water-Glycole Hybrid Thermal and Photo Voltaic collector The collector is deemed to be suitable for roof integration The collector was tested successfully according to EN ISO 9806:2013 under the following conditions: Climate class (A, B or C) A -- Maximum tested positive load 2400 Pa Maximum tested negative load 3000 Pa Hail resistance using ice balls (diameter) 35 mm Energy Labelling Information Reference Area, A sol (m 2 ) Data required for CDR (EU) 811/ Reference Area A sol CRK Collector efficiency (η col ) 53 % Remark: Collector efficiency (η col ) is defined in CDR (EU) 811/2013 as collector efficiency of the solar collector at a temperature difference between the solar collector and the surrounding air of 40 K and a global solar irradiance of 1000 W/m², expressed in % and rounded to the nearest integer. Deviating from the regulation η col is based on reference area (A sol ) which is aperture area for values according to EN or gross area for ISO 9806:2013. Data required for CDR (EU) 812/ Reference Area A sol Zero-loss efficiency (η 0 ) First-order coefficient (a 1 ) 0.65 W/(m²K) Second-order coefficient (a 2 ) W/(m²K²) Incidence angle modifier IAM (50 ) Remark: The data given in this section are related to collector reference area (A sol ) which is aperture area for values according to EN or gross area for ISO Consistent data sets for either aperture or gross area can be used in calculations like in the regulation 811 and 812 and simulation programs.

5 Licence Number 011-7S321 R Annex to Solar Keymark Certificate - Date issued Summary of EN ISO 9806:2013 Test Results Issued by DIN CERTCO Licence holder Wolf GmbH Deutschland Brand (optional) Street, Number Postcode, City Industriestraße Mainburg Country Web Tel Michael.Klepmeir@wolf.eu Page 5/6 Collector Type CRK-18 Evacuated tubular collector Power output per collector Gb = 850 W/m²; Gd = 150 W/m² ϑm - ϑa 0 K 10 K 30 K 50 K 70 K 104 K m² mm mm mm W W W W W W area (A G ) length width height Power output per m² gross area Performance parameters test method Performance parameters (related to AG) Units Test results Incidence angle modifier test method Bi-directional incidence angle modifiers Incidence angle modifier Transversal Longitudinal Steady state - outdoor η0,hem a1 a2 - W/(m²K) W/(m²K²) Quasi dynamic - outdoor Yes Angle K θt,coll K θl,coll Heat transfer medium for testing Flow rate for testing (per gross area, A G ) Water dm/dt kg/(sm²) Maximum temperature difference for thermal performance calculations Standard stagnation temperature (G = 1000 W/m²; ϑ a = 30 ) Effective thermal capacity, incl. fluid (per gross area, A G ) Maximum operating temperature Maximum operating pressure (ϑ m -ϑ a ) max ϑ stg C/m 2 ϑ max_op p max,op K kj/(km 2 ) kpa Testing laboratory TZS, ITW University Stuttgart Test report(s) 14COL1031OEM06 Dated COL1032Q/1OEM COL456/ Comments of testing laboratory Datasheet version: 5.01, Data sheet based on results of test report 06COL456/7 Stamp & signature of test lab

6 Page 6/6 Annex to Solar Keymark Certificate Licence Number 011-7S321 R Supplementary Information Issued Annual collector output in kwh/collector at mean fluid temperature ϑ m, based on ISO 9806:2013 test results CRK-18 Standard Locations Athens Davos Stockholm Würzburg ϑ m Annual output per m² gross area Fixed or tracking collector Fixed (slope = latitude - 15 ; rounded to nearest 5 ) Annual irradiation on collector plane 1765 kwh/m² 1714 kwh/m² 1166 kwh/m² 1244 kwh/m² Mean annual ambient air temperature Collector orientation or tracking mode South, 25 South, 30 South, 45 South, 35 The collector is operated at constant temperature ϑm (mean of in- and outlet temperatures). The calculation of the annual collector performance is performed with the official Solar Keymark spreadsheet tool Scenocalc Ver (March 2016). A detailed description of the calculations is available at Additional Information Collector heat transfer medium Water-Glycole Hybrid Thermal and Photo Voltaic collector The collector is deemed to be suitable for roof integration The collector was tested successfully according to EN ISO 9806:2013 under the following conditions: Climate class (A, B or C) A -- Maximum tested positive load 2400 Pa Maximum tested negative load 3000 Pa Hail resistance using ice balls (diameter) 35 mm Energy Labelling Information Reference Area, A sol (m 2 ) Data required for CDR (EU) 811/ Reference Area A sol CRK Collector efficiency (η col ) 53 % Remark: Collector efficiency (η col ) is defined in CDR (EU) 811/2013 as collector efficiency of the solar collector at a temperature difference between the solar collector and the surrounding air of 40 K and a global solar irradiance of 1000 W/m², expressed in % and rounded to the nearest integer. Deviating from the regulation η col is based on reference area (A sol ) which is aperture area for values according to EN or gross area for ISO 9806:2013. Data required for CDR (EU) 812/ Reference Area A sol Zero-loss efficiency (η 0 ) First-order coefficient (a 1 ) 0.66 W/(m²K) Second-order coefficient (a 2 ) W/(m²K²) Incidence angle modifier IAM (50 ) Remark: The data given in this section are related to collector reference area (A sol ) which is aperture area for values according to EN or gross area for ISO Consistent data sets for either aperture or gross area can be used in calculations like in the regulation 811 and 812 and simulation programs.