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Commission Delegated Regulation (EU) No 811/2013Show full title
Commission Delegated Regulation (EU) No 811/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of space heaters, combination heaters, packages of space heater, temperature control and solar device and packages of combination heater, temperature control and solar device (Text with EEA relevance)
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5. Water heating energy efficiency of combination heaters
The water heating energy efficiency ηwh of a combination heater shall be calculated as the ratio between the reference energy Qref and the energy required for its generation under the following conditions:
(a)
measurements shall be carried out using the load profiles set out in Table 15;
(b)
measurements shall be carried out using a 24-hour measurement cycle as follows:
00:00 to 06:59: no water draw-off;
from 07:00: water draw-offs according to the declared load profile;
from end of last water draw-off until 24:00: no water draw-off;
(c)
the declared load profile shall be the maximum load profile or the load profile one below the maximum load profile;
(d)
for heat pump combination heaters, the following additional conditions apply:
heat pump combination heaters shall be tested under the conditions set out in Table 9;
heat pump combination heaters which use ventilation exhaust air as the heat source shall be tested under the conditions set out in Table 11;
(e)
the annual electricity consumption AEC in kWh in terms of final energy shall be calculated as daily electricity consumption Qelec in kWh in terms of final energy multiplied by 220;
(f)
the annual fuel consumption AFC in GJ in terms of GCV shall be calculated as daily fuel consumption Qfuel multiplied by 220.
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