HEAT SOURCE UNIT FOR REFRIGERATING APPARATUS, AND REFRIGERATING APPARATUS

摘要

A heat source side circuit (12) is provided with a first gas side port (31) which constantly communicates with the outlet side of a compressor (14); a second gas side port (32) which constantly communicates with the inlet side of the compressor (14); a third gas side port (33) which selectively communicates with a first gas line (25) or a second gas line (26); a liquid side port (34) which constantly communicates with the liquid side end of a heat source side heat exchanger (15); a first switching mechanism (17) for switching the communication status of the gas side end of the heat source side heat exchanger (15); and a second switching mechanism (18) for switching the communication status of the third gas line (27). ® KIPO & WIPO 2009