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Commission Regulation (EC) No 643/2009Show full title
Commission Regulation (EC) No 643/2009 of 22 July 2009 implementing Directive 2005/32/EC of the European Parliament and of the Council with regard to ecodesign requirements for household refrigerating appliances (Text with EEA relevance)
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3.CALCULATION OF THE ENERGY EFFICIENCY INDEX
For the calculation of the Energy Efficiency Index (EEI), of a household refrigerating appliance model, the Annual Energy Consumption of the household refrigerating appliance is compared to its Standard Annual Energy Consumption.
1.
The Energy Efficiency Index (EEI) is calculated and rounded to the first decimal place, as:
where:
— AEC
=
Annual Energy Consumption of the household refrigerating appliance
— SAEC
=
Standard Annual Energy Consumption of the household refrigerating appliance.
2.
The Annual Energy Consumption (AEC ) is calculated in kWh/year and rounded to two decimal places, as:
AEc = E24h × 365
where:
E24h is the energy consumption of the household refrigerating appliance in kWh/24h and rounded to three decimal places.
3.
The Standard Annual Energy Consumption (SAEC ) is calculated in kWh/year and rounded to two decimal places, as:
SAEc = Veq × M + N + CH
where:
Veq is the equivalent volume of the household refrigerating appliance
CH is equal to 50 kWh/year for household refrigerating appliances with a chill compartment with a storage volume of at least 15 litres
the M and N values are given in Table 7 for each household refrigerating appliance category.
Table 7
M and N values by household refrigerating appliance category
| Note: | ||
| a for Category 10 household refrigerating appliances the M and N values depend on the temperature and star rating of the compartment with the lowest storage temperature capable of being set by the end-user and maintained continuously according to the manufacturer’s instructions. When only an ‘other compartment’ as defined in Table 2 and Annex I, point (p), is present, the M and N values for Category 1 are used. Appliances with three-star compartments or food-freezer compartments are considered to be refrigerator-freezers. | ||
| Category | M | N |
|---|---|---|
| 1 | 0,233 | 245 |
| 2 | 0,233 | 245 |
| 3 | 0,233 | 245 |
| 4 | 0,643 | 191 |
| 5 | 0,45 | 245 |
| 6 | 0,777 | 303 |
| 7 | 0,777 | 303 |
| 8 | 0,539 | 315 |
| 9 | 0,472 | 286 |
| 10 | a | a |
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