GB/T 45477-2025
ActiveOil free centrifugal water chilling (heat pump) packages
无油悬浮离心式冷水（热泵）机组
Application Summary AI generated
This standard specifies technical requirements, test methods, and performance criteria for oil-free centrifugal water chilling (heat pump) packages, which use magnetic or gas bearings to eliminate lubricating oil. It applies to the design, manufacturing, and performance evaluation of these units in commercial and industrial HVAC systems, including district cooling, data center cooling, and large building air conditioning. The standard ensures energy efficiency, reliability, and environmental compliance for equipment operating under specified cooling and heating conditions.
Related Standards
GB 25131-2010
Safety requirements for water chilling (heat pump) packages using the vapor compression cycle
GB 25130-2010
Safety requirements for unitary air conditioners
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.