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GB 21455-2019: Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Room Air Conditioners Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 21455: Historical versions
GB 21455-2019: Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Room Air Conditioners---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB21455-2019 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.010 F 01 Replacing GB 12021.3-2010, GB 21455-2013 Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Room Air Conditioners Issued on. DECEMBER 31, 2019 Implemented on. JULY 1, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 5 4 Energy Efficiency Grades... 6 5 Technical Requirements... 7 6 Test Methods... 9 7 Implementation of Standard... 12 Appendix A (normative) Test and Calculation Methods for Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF) of Room Air Conditioners... 13 Appendix B (normative) Various Temperature Occurrence Times of Outdoor Environment during Cooling and Heating Seasonal Operation of Room Air Conditioners... 50 Appendix C (normative) Test Method for Unsteady-state Heating... 51ForewordThis Standard was drafted in accordance with the rules in GB/T 1.1-2009. This Standard serves as a replacement of GB 12021.3-2010 The Minimum Allowable Value of the Energy Efficiency and Energy Efficiency Grades for Room Air Conditioners, GB 21455-2013 Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Variable Speed Room Air Conditioners. In comparison with GB 12021.3-2010 and GB 21455-2013, other than editorial modifications, the main technical changes are as follows. ---The Scope is modified (see Chapter 1); ---The product’s energy efficiency rating indexes are modified (see Chapter 4); ---The product’s minimum allowable values of energy efficiency are modified (see 5.1). This Standard was proposed by Standardization Administration of the People’s Republic of China; Resource Conservation and Environmental Protection Department of National Development and Reform Commission. This Standard shall be under the jurisdiction of Standardization Administration of the People’s Republic of China. The main drafting organizations of this Standard. China National Institute of Standardization; GREE Electric Appliances, Inc. of Zhuhai; Guangdong Midea Refrigeration Equipment Co., Ltd.; Qingdao Haier Air Conditioner Co., Ltd.; China Household Electric Appliance Research Institute (CHEARI); Hefei General Machinery & Electrical Products Inspection Institute; Beijing University of Technology; Shanghai Jiao Tong University; Shanghai Highly (Group) Co., Ltd.; South China University of Technology; Emerson Research and Solutions Center; International Copper Association Ltd. China; Zhejiang Sanhua Intelligent Control Co., Ltd.; DAIKIN (China) Investment Co., Ltd.; Sichuan Changhong Air Conditioner Co., Ltd.; Shanghai MITSUBISHI Electric MITSUBISHI Air Conditioner Appliance Co., Ltd.; AVIC Electromechanical (Shenyang) SANYO Refrigeration Equipment Co., Ltd.; Vkan Certification & Testing Co., Ltd. (CVC); Panasonic Appliances Air-conditioning (Guangzhou) Co., Ltd.; DAIKIN Device (Xi’an) Co., Ltd.; Guangdong GMCC Refrigeration Equipment CO., Ltd.; Zhuhai LAMDA Compressor Co., Ltd.; Panasonic Appliances Compressor (Dalian) Co., Ltd.; Ningbo AUX Electric Co., Ltd.; Guangdong CHIGO Air Conditioning Co., Ltd.; Hisense (Shandong) Air Conditioner Co., Ltd.; TCL Air Conditioner (ZHongshan) Co., Ltd.; Xi’an Qingan Refrigeration Equipment Co., Ltd.; The main drafters of this Standard. Cheng Jianhong, Tan Jianming, Zhang Hao, Zhang Mingjie, Cai Ning, Zhang Mingsheng, Li Hongqi, Ding Guoliang, Zhou Yi, Wu Jianghong, Guo Weihua, Liu Meng, Shen Juan, Yuan Ze, Zhang Jianqiang, Chen Jin, Liu Fan, Lu Dongming, Jiang Huawei, Wu Zhidong, Chen Junliang, Jia Weiqiang, Yang Jingtao, Xie Lichang, Zhou Yingtao, Zhang Tianshun, Zheng Chongkai, Hu Gen, Lu Hongwei, Sun Min, Yang Jie, He Tingting. The issuing of the previous versions. ---GB 12021.3-1989, GB 12021.3-2000, GB 12021.3-2004, GB 12021.3-2010; ---GB 21455-2008, GB 21455-2013. Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Room Air Conditioners1 ScopeThis 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.2 Normative ReferencesThe following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 7725-2004 Room Air Conditioners GB/T 35758-2017 Household Electrical Appliances - Measurement of Standby Power JB/T 13573-2018 Low Ambient Temperature Air Source Heat Pump Air Heaters3 Terms and DefinitionsWhat is defined in GB/T 7725-2004 and JB/T 13573-2018, and the following terms and definitions are applicable to this document. 3.1 Minimum Allowable Values of Energy Efficiency for Room Air- conditioners Minimum allowable values of energy efficiency for room air-conditioners refers to the minimum allowable values of energy consumption efficiency during the cooling and heating operation under specified operating conditions. 3.2 Minimum Allowable Values of Energy Efficiency for Low Ambient Temperature Air Source Heat Pump Air Heaters Minimum allowable values of energy efficiency for low ambient temperature air source heat pump air heaters refers to the minimum allowable values of heating seasonal performance factor during the heating operation under specified operating conditions.4 Energy Efficiency Grades4.1 Energy Efficiency Grades of Room Air Conditioners 4.1.1 There are 5 grades of energy efficiency of room air conditioners, among which, Grade-1 is the highest energy efficiency grade. 4.1.2 In terms of the heat pump room air conditioners, in accordance with the actually measured annual performance factor (APF) of the product, the energy efficiency is graded. The actually measured annual performance factor (APF) of each energy efficiency grade shall be not less than what is specified in Table 1. 4.1.3 In terms of single-cooling room air conditioners, in accordance with the actually measured seasonal energy efficiency ratio (SEER), the energy efficiency is graded. The actually measured seasonal energy efficiency ratio (SEER) of each energy 4.2 Energy Efficiency Grades of Low Ambient Temperature Air Source Heat Pump Air Heaters 4.2.1 In terms of low ambient temperature air source heat pump air heaters, in accordance with the actually measured heating seasonal performance factor (HSPF), the energy efficiency is graded.5 Technical Requirements5.1 Minimum Allowable Values of Energy Efficiency 5.1.1 In terms of the heat pump room air conditioners with fixed revolution speed compressor, the annual performance factor (APF) and single-cooling seasonal energy efficiency ratio (SEER) shall be not less than the index value of Grade-5 energy 5.1.2 In terms of the low ambient temperature air source heat pump air heaters, the heating seasonal performance factor (HSPF) shall be greater than or equal to the index value of Grade-3 energy efficiency. 5.2 Electric Auxiliary Heating 5.2.1 Products that use electric auxiliary heating shall be able to implement manual turn-on and turn-off of the electric auxiliary heating system. Meanwhile, a display showing the operating state of the electric auxiliary heating system shall be installed in an obvious position. 5.3 Energy Consumption in Standby Mode 5.3.1 In terms of products with a rated cooling capacity of 4,500 W and below, and products without communication protocols, such as. sensors, WIFI and Bluetooth (or these functions can be turned off during the test, and the products are tested after these functions are turned off), the energy consumption in standby mode is not greater than 3 W. 5.4 Tolerances 5.4.1 The stated value of energy efficiency shall be within the value range corresponding to its rated energy efficiency grade; the actually measured energy efficiency value shall be not less than 95% of the stated value. 5.4.2 The rated cooling capacity stated by the room air conditioners and the actually measured value shall be within the range of the rated cooling capacity corresponding to the rated energy efficiency grade.6 Test Methods6.1 Test Methods for Room Air Conditioners 6.1.1 Test and calculation methods for energy consumption efficiency The test methods for seasonal energy efficiency ratio (SEER) and heating seasonal performance factor (HSPF) shall comply with the relevant stipulations of Appendix A. The calculation of seasonal energy efficiency ratio (SEER) and cooling seasonal total energy; heating seasonal performance factor (HSPF) and heating seasonal total energy; 6.2 Test Methods for Low Ambient Temperature Air Source Heat Pump Air Heaters 6.2.1 Test and calculation methods for energy consumption efficiency The test methods for heating seasonal performance factor (HSPF), nominal heating coefficient of performance (COP-12°C) and low temperature heating coefficient of performance (COP-20°C) shall comply with the relevant stipulations of JB/T 13573-2018. The occurrence time of each temperature that needs to be heated in the heating season shall comply with the stipulations of Table D.2 in JB/T 13573-2018. 6.2.3 Test and calculation methods for energy consumption in standby mode Energy consumption in standby mode shall be tested in accordance with the stipulations of GB/T 35758-2017.During the test, the ambient temperature of the laboratory shall be maintained at (23 ± 5) °C. The expanded uncertainty of the measurement by the power measuring instrument shall be not greater than 0.02 W (95% confidence interval); the division value of the instrument shall be able to read at least 0.01 W.7 Implementation of StandardProducts exited factory or imported before the date of implementation of this Standard may be sold before June 30, 2021. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 21455-2019 be delivered?Answer: The full copy PDF of English version of GB 21455-2019 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 21455-2019_English with my colleagues?Answer: Yes. 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