NA 044

DIN Standards Committee Refrigeration Technology

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Drafts of NA 044

Number: 20

DIN EN 14825/A1 2023-11 Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and cooling, commercial and process cooling - Testing and rating at part load conditions and calculation of seasonal performance; German and English version EN 14825:2022/prA1:2023 More 
DIN EN ISO 21922/A1 2023-10 Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023); German and English version EN ISO 21922:2021/prA1:2023 More 
DIN EN ISO 14903 2023-09 Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2023); German and English version prEN ISO 14903:2023 More 
DIN EN 14276-2/A1 2023-08 Pressure equipment for refrigerating systems and heat pumps - Part 2: Piping - General requirements; German and English version EN 14276-2:2020/prA1:2023 More 
DIN EN 14276-1/A1 2023-08 Pressure equipment for refrigerating systems and heat pumps - Part 1: Vessels - General requirements; German and English version EN 14276-1:2020/prA1:2023 More 
DIN EN 12693 2023-05 Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors; German and English version prEN 12693:2023 More 
DIN EN 16838 2023-02 Refrigerated display scooping cabinets and pozzetto for gelato - Classification, requirements, performance and energy consumption testing; German and English version prEN 16838:2023 More 
DIN EN ISO 23953-2 2022-02 Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO/DIS 23953-2:2021); German and English version prEN ISO 23953-2:2021 More 
DIN EN ISO 23953-1 2022-02 Refrigerated display cabinets - Part 1: Vocabulary (ISO/DIS 23953-1:2021); German and English version prEN ISO 23953-1:2021 More 
DIN EN ISO 24664 2021-04 Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation (ISO/DIS 24664:2021); German and English version prEN ISO 24664:2021 More 

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