ANNEX IISupplementary provisions
ANNEX II Measurements and calculations 1. For the purposes of compliance and verification of compliance with the requirements of this Regulation, measurements and calculations shall be made using harmonised standards the reference numbers of which have been published in the Official Journal of European Union , or other reliable, accurate and reproducible method, which takes into account the generally recognised state of the art methods, and whose results are deemed to be of low uncertainty. They shall fulfil all of the following technical parameters. 2. The determination of the seasonal energy consumption and efficiency for seasonal energy efficiency ratio (SEER) and seasonal coefficient of performance (SCOP) shall take into account: (a) European cooling and heating season(s), as defined in Table 1 below; (b) reference design conditions, as defined in Table 3 below; (c) electric energy consumption for all relevant modes of operation, using time periods as defined in Table 4 below; (d) effects of the degradation of the energy efficiency caused by on/off cycling (if applicable) depending on the type of control of the cooling and/or heating capacity; (e) corrections on the seasonal coefficients of performance in conditions where the heating load can not be met by the heating capacity; (f) the contribution of a back-up heater (if applicable) in the calculation of the seasonal efficiency of a unit in heating mode. 3. Where the information relating to a specific model, being a combination of indoor and outdoor unit(s), has been obtained by calculation on the basis of design, and/or extrapolation from other combinations, the documentation should include details of such calculations and/or extrapolations, and of tests undertaken to verify the accuracy of the calculations undertaken (including details of the mathematical model for calculating performance of such combinations, and of measurements taken to verify this model). 4. The rated energy efficiency ratio (EER rated ) and, when applicable, rated coefficient of performance (COP rated ) for single and double duct air conditioners shall be established at the standard rating conditions as defined in Table 2 below. 5. The calculation of seasonal electricity consumption for cooling (and/or heating) shall take into account electric energy consumption of all relevant modes of operation, as defined in Table 3 below, using operational hours, as defined in Table 4 below. 6. The comfort fan efficiency shall be determined on the basis of the nominal air flow rate of the unit divided by the nominal electric power input of the unit. Table 1 Cooling and heating season bins (j = bin index, Tj = outdoor temperature, hj = hours per annum per bin) where ‧db‧ = dry bulb temperature COOLING SEASON j # Tj °C db hj h/annum 1 17 205 2 18 227 3 19 225 4 20 225 5 21 216 6 22 215 7 23 218 8 24 197 9 25 178 10 26 158 11 27 137 12 28 109 13 29 88 14 30 63 15 31 39 16 32 31 17 33 24 18 34 17 19 35 13 20 36 9 21 37 4 22 38 3 23 39 1 24 40 0 Total h. 2 602 HEATING SEASON j # T j °C db hj h/annum Average Warmer Colder 1 to 8 – 30 to – 23 0 0 0 9 –22 0 0 1 10 –21 0 0 6 11 –20 0 0 13 12 –19 0 0 17 13 –18 0 0 19 14 –17 0 0 26 15 –16 0 0 39 16 –15 0 0 41 17 –14 0 0 35 18 –13 0 0 52 19 –12 0 0 37 20 –11 0 0 41 21 –10 1 0 43 22 –9 25 0 54 23 –8 23 0 90 24 –7 24 0 125 25 –6 27 0 169 26 –5 68 0 195 27 –4 91 0 278 28 –3 89 0 306 29 –2 165 0 454 30 –1 173 0 385 31 0 240 0 490 32 1 280 0 533 33 2 320 3 380 34 3 357 22 228 35 4 356 63 261 36 5 303 63 279 37 6 330 175 229 38 7 326 162 269 39 8 348 259 233 40 9 335 360 230 41 10 315 428 243 42 11 215 430 191 43 12 169 503 146 44 13 151 444 150 45 14 105 384 97 46 15 74 294 61 Total h. 4 910 3 590 6 446 Table 2 Standard rating conditions, temperatures in ‧dry bulb‧ air temperature (‧wet bulb‧ indicated in brackets) Appliance Function Indoor air temperature (°C) Outdoor air temperature (°C) air conditioners, excluding single duct air conditioners cooling 27 (19) 35 (24) heating 20 (max. 15) 7(6) single duct air conditioner cooling 35 (24) 35 (24) ( *1 ) heating 20 (12) 20 (12) ( *1 ) Table 3 Reference design conditions, temperatures in ‧dry bulb‧ air temperature (‧wet bulb‧ indicated in brackets) Function/season Indoor air temperature (°C) Outdoor air temperature (°C) Bivalent temperature (°C) Operating limit temperature (°C) Tin Tdesignc/Tdesignh Tbiv Tol cooling 27 (19) Tdesignc = 35 (24) n.a. n.a. heating/Average 20 (15) Tdesignh = – 10 (– 11) max. 2 max. – 7 heating/Warmer Tdesignh = 2 (1) max. 7 max. 2 heating/Colder Tdesignh = – 22 (– 23) max. – 7 max. – 15 Table 4 Operational hours per type of appliance per functional mode to be used for calculation of electricity consumption Type of appliance/functionality (if applicable) Unit Heating season On mode Thermostat-off mode Standby mode Off mode Crankcase heater mode cooling: H CE heating: H HE H TO H SB H OFF H CK Air conditioners, except single and double duct air conditioner Cooling mode, if appliance offers cooling only h/annum 350 221 2 142 5 088 7 760 Cooling and heating modes, if appliance offers both modes Cooling mode h/annum 350 221 2 142 0 2 672 Heating mode h/annum Average 1 400 179 0 0 179 Warmer 1 400 755 0 0 755 Colder 2 100 131 0 0 131 Heating mode, if appliance offers heating only h/annum Average 1 400 179 0 3 672 3 851 Warmer 1 400 755 0 4 345 4 476 Colder 2 100 131 0 2 189 2 944 Double duct air conditioner Cooling mode, if appliance offers cooling only h/60 min 1 n/a n/a n/a n/a Cooling and heating modes, if appliance offers both modes Cooling mode h/60 min 1 n/a n/a n/a n/a Heating mode h/60 min 1 n/a n/a n/a n/a Heating mode, if appliance offers heating only h/60 min 1 n/a n/a n/a n/a Single duct air conditioner Cooling mode h/60 min 1 n/a n/a n/a n/a Heating mode h/60 min 1 n/a n/a n/a n/a ( *1 ) In case of single duct air conditioners the condenser (evaporator) when cooling (heating) is not supplied with outdoor air, but indoor air.