A heat pump can be used to heat a house in winter and to cool it in summer …生4444444… HEAT PUMP OPERATION-HEATING MODE Outdoor coil Reversing valve Indoor coil: Fan Fan Compressor Expansion valve h High-pressure liquid HEAT PUMP OPERATION-COOLING MODE Low-pressure liquid-vapor Outdoor coil Reversing valve Low-pressure vapor High-pressure vapor Indoor coil Fan Fan (heat pumps:air-source, water-source,ground-source...) Compressor 7 Expansion valve 上游充通大率 May11,2018 17 SHANGHA BAO TONG LINIERSITYMay 11, 2018 17 A heat pump can be used to heat a house in winter and to cool it in summer (heat pumps: air‐source, water‐source, ground‐source…)