GB 21455-2019: Translated English of Chinese Standard. (GB 21455-2019, GB21455-2019): Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Room Air Conditioners
https://www.chinesestandard.net, 2020 M12 20 - 56 pages
This Standard specifies the energy efficiency grades, the minimum allowable values of energy efficiency and test methods for room air conditioners. This Standard is applicable to room air conditioners which adopt air-cooled condensers and fully enclosed electric compressors, and with a rated cooling capacity not greater than 14,000 W and with a climate type T1, as well as low ambient temperature air source heat pump air heaters with a nominal heating capacity not greater than 14,000 W. This Standard is not applicable to mobile air conditioners, multi-connected air conditioning units and air-duct air conditioners.
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Appendix B normative Various Temperature Occurrence Times of Outdoor
Common terms and phrases
accordance with Formula actually measured adjustable applicable average calculated in accordance calculation of seasonal coefficient of performance comply conditioner is continuously conditioner is operated conditioner is tested conditions of cooling conduct the test continuously operated corresponding data acquisition stage defrosting cycle device electric auxiliary heating energy consumption Energy Efficiency Grades energy efficiency ratio expressed expressed in W Formula A.31 frosting area GB/T greater heat pump air heating capacity test heating operation heating power input heating seasonal performance intermediate capacity intermediate cooling capacity intermediate heating capacity intermittent operation interval Lc(t least less low temperature heating maximum non-frost area NOTE outdoor PLF(t rated cooling capacity rated heating capacity rated operating conditions requirements Room Air Conditioners room heating load seasonal energy efficiency seasonal performance factor seasonal total energy shown in Table specified conditions Standard standby mode Table A.1 test method tested in accordance turned