二氧化碳热泵热水器 设计说明书(6)

本人的毕业设计,没多少水准,只是分享一下。希望大家能找到有用的东西

high temperature refrigerant is used for the defrosting. These enhance the defrosting efficiency and reduce the defrosting time;

(5) For sake of getting enough hot water when environmental temperature is low, an auxiliary heating system is designed in this CO2 heat pump water heater. And the attemperator is a circulatory system, which can hold the water in the tank on constant temperature.

KEYWORDS refrigerant,heat pump water heater, transcritical cycle,compressor