A refrigerating apparatus, comprising: a refrigerant circuit including a compressor (32, 42), a plurality of heat source side heat exchangers (33, 43, 82), and at least two user side heat exchangers (52, 62, 72) connected to one another; and heat source side expansion valves (34, 44, 83)respectively provided at one ends of the plurality of heat source side heat exchangers (33, 43, 82) and each having variable opening, wherein the refrigerating apparatus is provided with a control means configured to control the refrigerating apparatus to perform low power operation for performing a refrigeration cycle in the refrigerant circuit in a state where at least one of the heat source side heat exchangers (33, 43, 82) is in a non-operating state, and to perform refrigerant collection operation for collecting and retaining refrigerant to and in the heat source side heat exchanger (33, 43, 82) in the non-operating state in the low power operation; characterized in that the apparatus further includes subcooling degree detecting means (131, 134, 141, 144) configured to detect degrees of subcooling of the refrigerant flowing out from the heat source side heat exchangers (33, 43, 82), the control means is configured to control the heat source side expansion valves (34, 44, 83) during the refrigerant collection operation such that a refrigerant flow on one end side of the heat source side heat exchanger (33, 43, 82) in the non-operating state in the low power operation is limited or blocked by a corresponding heat source side expansion valve (34, 44, 82) with the other end side thereof communicating with a discharge side of the compressor (32, 42), and the control means is further configured to adjust, during the refrigerant collection operation, the opening of the heat source side expansion valves (34, 44, 83) provided at the one ends of the heat source side heat exchangers (33, 43, 82) in the non-operating state on the basis of the degree of subcooling detected by subcooling degree detecting means (131, 134, 141, 144) corresponding to the heat source side heat exchangers (33, 43, 82) in the non-operating state, or on the basis of the degree of subcooling detected by subcooling degree detecting means (131, 134, 141, 144) corresponding to the heat source side heat exchanger (33, 43, 82) in an operating state. a refrigerant circuit including a compressor (32, 42), a plurality of heat source side heat exchangers (33, 43, 82), and at least two user side heat exchangers (52, 62, 72) connected to one another; and heat source side expansion valves (34, 44, 83)respectively provided at one ends of the plurality of heat source side heat exchangers (33, 43, 82) and each having variable opening, wherein the refrigerating apparatus is provided with a control means configured to control the refrigerating apparatus to perform low power operation for performing a refrigeration cycle in the refrigerant circuit in a state where at least one of the heat source side heat exchangers (33, 43, 82) is in a non-operating state, and to perform refrigerant collection operation for collecting and retaining refrigerant to and in the heat source side heat exchanger (33, 43, 82) in the non-operating state in the low power operation; characterized in that the apparatus further includes subcooling degree detecting means (131, 134, 141, 144) configured to detect degrees of subcooling of the refrigerant flowing out from the heat source side heat exchangers (33, 43, 82), the control means is configured to control the heat source side expansion valves (34, 44, 83) during the refrigerant collection operation such that a refrigerant flow on one end side of the heat source side heat exchanger (33, 43, 82) in the non-operating state in the low power operation is limited or blocked by a corresponding heat source side expansion valve (34, 44, 82) with the other end side thereof communicating with a discharge side of the compressor (32, 42), and the control means is further configured to adjust, during the refrigerant collection operation, the opening of the heat source side expansion valves (34, 44, 83) provided at the one ends of the heat source side heat exchangers (33, 43, 82) in the non-operating state on the basis of the degree of subcooling detected by subcooling degree detecting means (131, 134, 141, 144) corresponding to the heat source side heat exchangers (33, 43, 82) in the non-operating state, or on the basis of the degree of subcooling detected by subcooling degree detecting means (131, 134, 141, 144) corresponding to the heat source side heat exchanger (33, 43, 82) in an operating state.