Refrigeration apparatus

Abstract

The disclosure provides a refrigeration apparatus including: a first refrigerant circuit including a first compressor, a first heat exchanger, a first expansion valve, and a utilization-side heat exchanger, and using a first refrigerant; a second refrigerant circuit including a second compressor, a second heat exchanger, and a second expansion valve, and using a second refrigerant; a third heat exchanger configured to cause heat exchange between the first refrigerant and the second refrigerant; and a fan, in which the first heat exchanger includes a heat transfer tube being a circular tube, the second heat exchanger includes a heat transfer tube being a flat multi-hole tube, and the second heat exchanger is disposed leeward of the first heat exchanger in an air flow direction of an air flow generated by the fan.

Dependencies are inferred from the claim text.