?1.Introduction of HYY Hot Water Supply System 
This system uses the   Single Well Supply/Return Water Technology as an energy collection   subsystem, and heat pump technology to provide domestic hot water for   buildings. The electric energy consumed is 12kWh per 1 ton hot water.   The Single Well Supply/Return Water Technology can perfectly protect   groundwater resource.

 2.The main equipments of HYY Hot Water Supply System 
The   main equipments of HYY hot water supply system include ground energy   sourced heat pump (Energy Promotion Device), circulation water pump,   filling water and pressure device, hot water devices, energy collection   device. Standby equipment: operation data record, data transmission,   data treatment on line or by radio.

3.Sketch map of HYY Domestic Hot Water Supply System