This standard specifies the construction and acceptance requirements for commercial or industrial air source heat pump hot water projects. This standard applies to hot water projects consisting of heat pump water heaters, hot water storage tanks, water pumps and pipeline components for commercial or industrial use and similar purposes that use air as the heat source (excluding indoor water supply pipelines). Other heat source heat pump hot water supply projects can also be used as a reference.
T/HSSX 0009-2023 history
2023T/HSSX 0009-2023 Specifications for construction and acceptance of air source heat pump hot water engineering
2022T/HSSX 0009-2022 General technical specification for air source heat pump drying unit