{
  "url": "https://openlegislation.uk/eu-regulation-2013-812/annex-VII/division-6",
  "json_url": "https://openlegislation.uk/eu-regulation-2013-812/annex-VII/division-6.json",
  "legislation": "eur/2013/812",
  "legislation_title": "Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2013-812",
  "path": "annex/VII/division/6",
  "kind": "division",
  "number": "6",
  "heading": "Conditions for testing solar devices",
  "text": "The solar collector, solar hot water storage tank and pump in the collector loop (if applicable) shall be tested separately. Where the solar collector and solar hot water storage tank cannot be tested separately, they shall be tested in combination.\nThe results shall be used for the calculations of Qnonsol for the load profiles M, L, XL and XXL under the average climate conditions set out in Tables 4 and 5 and Qaux .\nTable 4\nAverage daytime temperature [°C]\nJanuary\nFebruary\nMarch\nApril\nMay\nJune\nJuly\nAugust\nSeptember\nOctober\nNovember\nDecember\nAverage climate conditions\n+ 2,8\n+ 2,6\n+ 7,4\n+ 12,2\n+ 16,3\n+ 19,8\n+ 21,0\n+ 22,0\n+ 17,0\n+ 11,9\n+ 5,6\n+ 3,2\nColder climate conditions\n– 3,8\n– 4,1\n– 0,6\n+ 5,2\n+ 11,0\n+ 16,5\n+ 19,3\n+ 18,4\n+ 12,8\n+ 6,7\n+ 1,2\n– 3,5\nWarmer climate conditions\n+ 9,5\n+ 10,1\n+ 11,6\n+ 15,3\n+ 21,4\n+ 26,5\n+ 28,8\n+ 27,9\n+ 23,6\n+ 19,0\n+ 14,5\n+ 10,4\nTable 5\nAverage global solar irradiance [W/m2]\nJanuary\nFebruary\nMarch\nApril\nMay\nJune\nJuly\nAugust\nSeptember\nOctober\nNovember\nDecember\nAverage climate conditions\n70\n104\n149\n192\n221\n222\n232\n217\n176\n129\n80\n56\nColder climate conditions\n22\n75\n124\n192\n234\n237\n238\n181\n120\n64\n23\n13\nWarmer climate conditions\n128\n137\n182\n227\n248\n268\n268\n263\n243\n175\n126\n109\nTable 6\nStandard rating conditions for heat pump water heaters, temperatures in dry bulb air temperature (wet bulb air temperature in brackets)\nHeat source\nOutdoor air\nIndoor air\nExhaust air\nBrine\nWater\nClimate conditions\nAverage climate conditions\nColder climate conditions\nWarmer climate conditions\nNot applicable\nAll climate conditions\nTemperature\n+ 7 °C (+ 6 °C)\n+ 2 °C (+ 1 °C)\n+ 14 °C (+ 13 °C)\n+ 20 °C (maximum + 15 °C)\n+ 20 °C (+ 12 °C)\n0 °C (inlet)/– 3 °C (outlet)\n+ 10 °C (inlet)/+ 7 °C (outlet)\nTable 7\nMaximum ventilation exhaust air available [m3/h], at a temperature of 20 °C and with humidity of 5,5 g/m3\nDeclared load profile\nXXS\nXS\nS\nM\nL\nXL\nXXL\nMaximum ventilation exhaust air available\n109\n128\n128\n159\n190\n870\n1 021",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2013/812/annex/VII/division/6",
    "retrieved_at": "2026-11-01T14:48:27.204975+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}