The valves shown in the refrigerant circuit diagram were lever actuated ball valves. These valves ... The initiation of defrost at a 20% drop in air-side capacity was used to imitate the defrost controls of the heat pump manufacturer. Defrost wasanbsp;...
|Title||:||Recent research in heat pump design, analysis, and application|
|Author||:||American Society of Mechanical Engineers. Winter Meeting, American Society of Mechanical Engineers. Advanced Energy Systems Division|
|Publisher||:||American Society of Civil Engineers - 1992-01-01|