T/CAS 475-2021 Evaluation specification for heating performance of household gas stove

Scope

Scope: 1 Scope This standard specifies the performance requirements and grading criteria for the evaluation of the heating performance of household gas stoves, as well as the test methods. This standard applies to household gas stoves (hereinafter referred to as "gas stoves") that use only urban gas and have a rated heat load of no more than 5.23 kW per burner. This standard does not apply to commercial gas stoves. Main Technical Content: 1 Scope This standard specifies the performance requirements and grading criteria for the evaluation of the heating performance of household gas stoves, as well as the test methods. This standard applies to household gas stoves (hereinafter referred to as "gas stoves") that use only urban gas and have a rated heat load of no more than 5.23 kW per burner. This standard does not apply to commercial gas stoves. 2 Normative References The following documents are essential for the application of this document. For dated reference documents, only the version dated on that date applies to this document. For undated reference documents, the latest version (including all amendments) applies to this document. GB 16410-2020: Household Gas Stoves GB 30720-2014: Energy Efficiency Limits and Energy Efficiency Grades for Household Gas Stoves 3 Terms and Definitions The terms and definitions defined in GB 16410-2020 and the following terms and definitions apply to this document. 3.1 Maximum Heat Load The state of maximum heat input under rated gas supply pressure, using reference gas under standard conditions. 3.2 Minimum Heat Load The state of minimum heat input under rated gas supply pressure, using reference gas under standard conditions. 3.3 Warm-up Time at Maximum Heat Load The heating rate of water in the gas stove at maximum heat load. 3.4 Temperature Rise Performance at Minimum Heat Load The ability of the gas stove to slowly increase the temperature in the pot within a certain time under mini

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