NA 044

DIN Standards Committee Refrigeration Technology

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Projects of NA 044

Number: 56

ISO/AWI 18107 2022-09-13 Seasonal efficiency rating for variable refrigerant flow air-to-air air-conditioners and air-to-air heat pumps - Testing and rating for performance More  Comment 
DIN EN 12900 rev 2022-09-08 Kältemittel-Verdichter - Nennbedingungen, Toleranzen und Darstellung von Leistungsdaten des Herstellers More  Comment 
ISO/AWI 16358-1 2022-08-30 Air-cooled air conditioners and air-to-air heat pumps - Testing and calculating methods for seasonal performance factors - Part 1: Cooling seasonal performance factor More  Comment 
ISO/AWI 20733-1 2022-08-08 Seasonal performance ratings of water source heat pumps - Part 1: Cooling seasonal performance More  Comment 
ISO/AWI 20733-3 2022-08-08 Seasonal performance ratings of water source heat pumps - Part 3: Annual performance calculations More  Comment 
ISO/AWI 20733-2 2022-08-08 Seasonal performance ratings of water source heat pumps - Part 2: Heating seasonal calculations More  Comment 
DIN ISO 916 2022-07-07 Testing of refrigerating systems More  Comment 
ISO/AWI 5222-2 2022-07-01 Heat recovery ventilators and energy recovery ventilators - Testing and calculating methods for seasonal performance factor - Part 2: Sensible cooling recovery seasonal performance factors of HRV More  Comment 
ISO 21922 AMD 1 2022-05-09 Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 More  Comment 
ISO/AWI 19967-3 2022-03-28 Air to water Heat pumps - Testing and rating for performance - - Part 3: Combined hot water supply and space heating and/or space cooling More  Comment 

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