Annex II Measurements and calculations
United Kingdom
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°Cdb | hjh/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# | Tj°Cdb | hjh/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)
| In case of single duct air conditioners the condenser (evaporator) when cooling (heating) is not supplied with outdoor air, but indoor air. | |||
| 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)f1 |
| heating | 20 (12) | 20 (12) | |
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: HCEheating: HHE | HTO | HSB | HOFF | HCK | ||||
| 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 | ||
- 1Division 1
- 2The determination of the seasonal energy consumption and efficiency for seasonal energy efficiency ratio (SEER) and seasonal coefficient of performance (SCOP) shall take into account:
- 3Division 3
- 4Division 4
- 5Division 5
- 6Division 6
Annotations
Footnotes
- f1
-
In case of single duct air conditioners the condenser (evaporator) when cooling (heating) is not supplied with outdoor air, but indoor air.