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 standard is developed in accordance with the rules given in GB/T 1.1-2009 Directives for standardization—Part 1: Structure and drafting of standards.
Attention is drawn to the possibility that some of the elements of this document 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 standard was proposed by China Household Electric Appliances Research Institute.
This standard is under the jurisdiction of China Association for Quality Inspection.
Drafting organizations of this standard: Vatti Corporation Limited, China Household Electrical Appliances Research Institute, CHEARI (Beijing) Certification & Testing Co., Ltd., China Testing Inspection Institute for Household Electric Appliances, Beijing Intelligent Information Technology Co., Ltd.
Chief drafters of this standard: Sun Hong, Qin Yawei, Zhang Xiao, Wang Haojie, Li Yu, Yue Jingsong, Deng Zhe, Yao Yanchun, Jiao Xiaolan and Yuan Hongyue
Test method and technical requirements for dry storage of dishwasher
1 Scope
This standard specifies scope, terms and definitions, technical requirements, test methods and marking of the dishwasher storage.
This standard is applicable to full-automatic dishwashers for household or similar use, for which the dry storage (with no residual water, pure dry storage) is clearly indicated on the appliance or the instructions for use.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 20290 Electric dishwashers for household use—Methods for measuring the performance
GB 38383 The minimum allowable values of the energy, water consumption and grades for dishwashers
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 20290-2016 and the following apply.
3.1
dishwasher
machine that washes and rinses ceramic tableware, glassware, metal tableware and cooking utensils, etc. with chemical, mechanical, thermal and electrical energy. The dishwasher may or may not be subjected to dry operation at the end of the programme.
3.2
dishwasher storage
function of dishwasher capable of keeping tablewares, inner container and filtering system dry and clean for a certain period of time with physical or chemical methods at the end of the programme
3.3
tableware dry storage
capability of dishwasher to keep the internal tableware dry at the end of the programme
3.4
dishwasher internal components dry storage
capability of dishwasher to keep the inner container and the components on filtering system dry at the end of the programme
3.5
filtering system dry storage
capability of dishwasher to keep the filtering system dry at the end of the programme
3.6
dry storage index
comprehensive capability parameter of dishwasher to keep the tableware, inner container and filtering system dry at the end of the programme
3.7
storage grade
level for ranking dry storage effect of dishwasher according to the dry storage index of dishwasher
3.8
Chinese standard tableware
standard appliances or consumables, which are composed according to the specifications and proportions required by the standard and Chinese catering habits
4 Technical requirements
4.1 Dry storage index of tableware
For dishwashers with dry storage, the dry storage index of tableware shall not be less than 0.8.
4.2 Dishwasher internal components dry storage index
For dishwasher with dry storage, the dishwasher internal components dry storage index shall not be less than 0.6.
4.3 Filtering system dry storage index
For dishwasher with dry storage, the filtering system dry storage index shall not be less than 0.5.
4.4 Odor removal index
Dishwashers with dry storage, odor removal index shall not be less than 0.6 during the dry storage.
4.5 Dry storage index of dishwasher
The dry storage grade is the comprehensive consideration of dry index of tableware, internal components, filtrating system and odor removal index and is ranked according to Table 1.
Table 1 Dry storage grade of dishwasher
Storage grade Dry storage index d of dishwasher
Grade 1 0.7≤D<1.0
Grade 2 0.3≤D<0.7
Grade 3 0≤D<0.3
5 Test method
5.1 Test conditions
The test conditions shall be as follows unless otherwise specified:
a) Ambient temperature: (23±2)℃;
b) Relative humidity: (55±5)%;
c) Supply voltage: rated voltage;
d) Supply frequency: (50±1) Hz;
e) Water temperature: (15±2)℃;
f) Inlet water pressure: (0.24±0.02)MPa.
Note: If the rated voltage of the test prototype is different from that of the national work order system, the test shall be conducted according to the nominal voltage of the power supply system.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test method
