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Commission Delegated Regulation (EU) No 812/2013Show full 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)

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6. Conditions for testing solar devices U.K.

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.

The 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 .

Table 4

Average daytime temperature [°C]

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
Average climate conditions+ 2,8+ 2,6+ 7,4+ 12,2+ 16,3+ 19,8+ 21,0+ 22,0+ 17,0+ 11,9+ 5,6+ 3,2
Colder climate conditions– 3,8– 4,1– 0,6+ 5,2+ 11,0+ 16,5+ 19,3+ 18,4+ 12,8+ 6,7+ 1,2– 3,5
Warmer climate conditions+ 9,5+ 10,1+ 11,6+ 15,3+ 21,4+ 26,5+ 28,8+ 27,9+ 23,6+ 19,0+ 14,5+ 10,4

Table 5

Average global solar irradiance [W/m2]

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
Average climate conditions701041491922212222322171761298056
Colder climate conditions2275124192234237238181120642313
Warmer climate conditions128137182227248268268263243175126109

Table 6

Standard rating conditions for heat pump water heaters, temperatures in dry bulb air temperature (wet bulb air temperature in brackets)

Heat sourceOutdoor airIndoor airExhaust airBrineWater
Climate conditionsAverage climate conditionsColder climate conditionsWarmer climate conditionsNot applicableAll climate conditions
Temperature+ 7 °C (+ 6 °C)+ 2 °C (+ 1 °C)+ 14 °C (+ 13 °C)+ 20 °C (maximum + 15 °C)+ 20 °C (+ 12 °C)0 °C (inlet)/– 3 °C (outlet)+ 10 °C (inlet)/+ 7 °C (outlet)

Table 7

Maximum ventilation exhaust air available [m3/h], at a temperature of 20 °C and with humidity of 5,5 g/m3

Declared load profile XXS XS S M L XL XXL
Maximum ventilation exhaust air available1091281281591908701 021

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