Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
Attention is drawn to the possibility that some of the elements of this standard may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by China Household Electric Appliances Research Institute.
This document is under the jurisdiction of China Association for Quality Inspection
The preparing bodies of this standard are: Hangzhou Robam Appliances Co., Ltd., China Household Electrical Appliances Research Institute, CHEARI (Beijing) Testing and Certification Co., Ltd., Beijing Zhongjia Zhixin Information Technology Co., Ltd.,Hangzhou Mingqi Kitchen Co., Ltd., and China Association for Quality Inspection.
The main drafters of this document are He Xiaofan, He Qianwen, Qin Yawei, Yue Jingsong, Zhang Xiao, Deng Zhe, Yao Chunxiao, Wang Di, Yuan Hongyue and Wang Wenxiu.
Technical specifications of dishwashers suitable for Chinese kitchens
1 Scope
This standard specifies scope, terms and definitions, technical requirements, test methods and markings of the Chinese kitchen dishwasher.
This standard is applicable to electrical dishwashers used in home kitchen and similar occasions.
2 Normative references
The content of the following documents constitute provisions of this document through normative reference in this text. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 4288 Household and similar electrical washing machine
GB 17988-2008 Safety and sanitation requirements for disinfecting tableware cabinet
GB 19489-2008 Laboratories—General requirements for biosafety
GB/T 20290-2006 Electric dishwashers for household use—Methods for measuring the performance
GB 21551.1 General requirement of antibacterial and cleaning function for household and similar electrical appliances
GB 38383 The minimum allowable values of the energy, water consumption and grades for dishwashers
Technical standard for disinfection (2002 Edition) issued by the Ministry of Health of the People's Republic of China
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 38383-2019 and GB/T 20290-2016 and the following apply.
3.1
Chinese kitchen dishwasher
dishwashers that conform to the installation and use characteristics of Chinese kitchens and can comply with the technical indexes of this document
3.2
space optimization rate
the extent to which the internal space of the dishwasher is optimized relative to the overall size
3.3
volume utilization rate
the degree of optimization of the tank volume relative to the washing coefficient and the set number
3.4
water flow coverage
the extent to which water covers the interior space of the dishwasher
3.5
composite index
composite indexes of Chinese tableware, cookware and their contaminations after washing, including composite cleaning index, composite drying index and other indexes.
3.6
microbial removal grade
the levels of microbial removal function of dishwashers.
3.7
virus eliminating rate
the percentage of the reduction in the number of viruses in a virus eliminating test.
4 Technical requirements
4.1 Space utilization rate
The space utilization shall not be less than 60%.
4.2 Volume utilization rate
The volume utilization rate shall not be less than 1.05.
4.3 Flow coverage rate
The flow coverage rate shall not be less than 95%.
4.4 Composite cleaning index
The composite cleaning index shall not be less than 1.00.
4.5 Composite drying index
The drying index of the dishwasher shall not be less than 0.97.
4.6 Composite energy efficiency index (EEI)
The composite energy efficiency index (EEI) shall not be less than 63.
4.7 Comprehensive water efficiency index
The composite water efficiency index (EEI) shall not be less than 62.
4.8 Disinfection and sterilization performance
Dishwasher disinfection and sterilization performance shall be evaluated according to Table 1.
Table 1 Dishwasher disinfection and sterilization performance assessment grade
Microbial species Grade 1 Grade 2 Grade 3
Staphylococcus aureus, S. aureus ≥99.9% ≥99.9% ≥99.99%
Escherichia coli ≥99.9% ≥99.9% ≥99.99%
Poliovirus -type I vaccine strain — ≥99.9% ≥99.99%
4.9 Moisture-proof index of inner container and internal components
The Moisture resistance index of inner container and internal components shall not be less than 0.80.
4.10 Odor elimination
The odor intensity shall be no greater than 2.0.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Markings
Annex A (Normative) Specification and preparation of Chinese cookware
Annex B (Nominative) Test method for virus eliminating in dishwashers
