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NA 044

DIN Standards Committee Refrigeration Technology

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Projects of NA 044

Number: 58

DIN EN 14624 rev 2023-03-16 Performance of portable locating leak detectors and of fixed gas detectors for all refrigerants More  Comment 
DIN EN 14825/A1 2023-03-06 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  Comment 
DIN EN ISO 21922/A1 2023-02-27 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  Comment 
ISO/PAS 24499 2022-12-21 Method of test for burning velocity measurement of A2L flammable gases More  Comment 
ISO/DIS 5222-3 2022-12-02 Heat recovery ventilators and energy recovery ventilators - Testing and calculating methods for seasonal performance factor - Part 3: Annual sensible heating and cooling recovery performance factor of heat recovery ventilators More  Comment 
ISO/CD 18976 2022-11-18 ISO 917, Testing of refrigerant compressors More  Comment 
DIN 8930-3 2022-11-18 Refrigerating systems and heat pumps - Terms and definitions - Part 3: Components, general More  Comment 
DIN EN 14276-1/A1 2022-11-16 Pressure equipment for refrigerating systems and heat pumps - Part 1: Vessels - General requirements; German and English version EN 14276-1:2020/prA1:2023 More  Comment 
DIN EN 14276-2/A1 2022-11-16 Pressure equipment for refrigerating systems and heat pumps - Part 2: Piping - General requirements; German and English version EN 14276-2:2020/prA1:2023 More  Comment 
ISO/CD 5149-3 2022-11-14 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site More  Comment 

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