This standard specifies minimum allowable values of energy efficiency, evaluating values of energy conservation, energy efficiency grades, test methods and inspection rules of heat pump water heaters.
This standard is applicable to water heaters which are motor-driven, adopt air as heat source and vapor compression refrigeration cycle for the purpose of providing hot water.
This standard is not applicable to water heat pump water heaters temporarily.
2 Normative References
The following documents for the application of this standard are essential. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 21362 C 2008 Heat Pump Water for Commercial & Industrial and Similar Application
GB/T 23137 C 2008 Heat Pump Water for Household and Similar Application
