Air Heat Source Heat Pump Chiller with a New Refrigerant Flow Rate Control

摘要

Evaluation of the new refrigerant control method suitable for using at a wide range of operating conditions and for incorporating the use of the microcomputer has proved that the method which adjusts the degree of cooling the capillary tube with a low temperature refrigerant depressurized with the pilot valve (electromagnetic expansion valve) has been proved very satisfactory. The air heat source heat pump chiller which used this control method has demonstrated a high level of performance and reliability. (ERA citation 09:050026)