A refrigerating cycle apparatus comprising: not less than one heat source unit having at least a compressor and a heat source side heat exchanger; not less than one utilization unit having at least a pressure reducing device and a utilization side heat exchanger; a refrigerating circuit formed by connecting the heat source unit and the utilization unit via a liquid connection pipe and a gas connection pipe; a storage part that stores at least a value for an appropriate refrigerant amount of a refrigerant to be charged in the refrigerating circuit and a correction coefficient which corrects a liquid refrigerant amount; a measurement part that detects an operation state amount in each of a plurality of constituent elements of the refrigerating circuit, wherein the plurality of constituent elements comprises a condenser; a calculation part that calculates a refrigerant amount of each of the plurality of constituent elements of the refrigerating circuit based on the respective detected operation state amount, and a calculative refrigerant amount obtained by calculating the sum of refrigerant amounts of each of the plurality of constituent elements of the refrigerating circuit; a comparison part that compares the appropriate refrigerant amount and the calculative refrigerant amount; and a determination part that determines excess/shortage of a refrigerant amount charged in the refrigerating circuit based on a comparison result of the comparison part, characterised by the calculation part correcting a calculation of a volumetric proportion of a liquid-phase refrigerant existing in the condenser with respect to the total internal volume of the condenser based on the operation state amount of the condenser by using the correction coefficient. not less than one heat source unit having at least a compressor and a heat source side heat exchanger; not less than one utilization unit having at least a pressure reducing device and a utilization side heat exchanger; a refrigerating circuit formed by connecting the heat source unit and the utilization unit via a liquid connection pipe and a gas connection pipe; a storage part that stores at least a value for an appropriate refrigerant amount of a refrigerant to be charged in the refrigerating circuit and a correction coefficient which corrects a liquid refrigerant amount; a measurement part that detects an operation state amount in each of a plurality of constituent elements of the refrigerating circuit, wherein the plurality of constituent elements comprises a condenser; a calculation part that calculates a refrigerant amount of each of the plurality of constituent elements of the refrigerating circuit based on the respective detected operation state amount, and a calculative refrigerant amount obtained by calculating the sum of refrigerant amounts of each of the plurality of constituent elements of the refrigerating circuit; a comparison part that compares the appropriate refrigerant amount and the calculative refrigerant amount; and a determination part that determines excess/shortage of a refrigerant amount charged in the refrigerating circuit based on a comparison result of the comparison part, characterised by the calculation part correcting a calculation of a volumetric proportion of a liquid-phase refrigerant existing in the condenser with respect to the total internal volume of the condenser based on the operation state amount of the condenser by using the correction coefficient. a refrigerant amount of each of the plurality of constituent elements of the refrigerating circuit based on the respective detected operation state amount, and a calculative refrigerant amount obtained by calculating the sum of refrigerant amounts of each of the plurality of constituent elements of the refrigerating circuit; a comparison part that compares the appropriate refrigerant amount and the calculative refrigerant amount; and a determination part that determines excess/shortage of a refrigerant amount charged in the refrigerating circuit based on a comparison result of the comparison part, characterised by the calculation part correcting a calculation of a volumetric proportion of a liquid-phase refrigerant existing in the condenser with respect to the total internal volume of the condenser based on the operation state amount of the condenser by using the correction coefficient.