GB/T 25857-2010
AbolishedLow ambient temperature air source multi-connected heat pump (air conditioning) units
低环境温度空气源多联式热泵（空调）机组
Application Summary AI generated
This standard specifies technical requirements, test methods, and performance criteria for multi-connected heat pump air conditioning units designed to operate efficiently in low ambient temperatures. It is applied in the design, manufacturing, and quality inspection of commercial and residential HVAC systems used in cold climates, ensuring reliable heating performance and energy efficiency.
Related Standards
GB 25130-2010
Safety requirements for unitary air conditioners
GB 25131-2010
Safety requirements for water chilling (heat pump) packages using the vapor compression cycle
GB/T 19569-2004
Air conditioning unit for clean operating room
GB/T 18835-2002
Grain chillers
GB/T 18836-2002
Ducted air-conditioning(heat pump) units
GB/T 18517-2001
Terminology of refrigeration
GB/T 7778-2001
Number designation and safety classification of refrigerants
GB/T 7941-1987
Testing of refrigerating systems
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.