COMPOSITION CONTAINING REFRIGERANT INCLUDING R32, R125, R143A, AND R134A AND REFRIGERATION METHOD USING SAID COMPOSITION, METHOD FOR OPERATING REFRIGERATOR, AND REFRIGERATOR

摘要

Provided is a composition containing a refrigerant that has a refrigerating capacity equivalent to that of widely used R404A, and a low GWP. The composition contains a refrigerant that contains difluoromethane (R32), pentafluoroethane (R125), 1,1,1-trifluoroethane (R143a), and 1,1,1,2-tetrafluoroethane (R134a) in specific concentrations.