To provide a vehicular air conditioning system having a vapor compression refrigerating cycle using combustible refrigerant for recovering the refrigerant to minimize the leakage of the refrigerant and easily carrying out refrigerant recovering construction without greatly changing the system.
The vehicular air conditioning system having the vapor compression refrigerating cycle using the combustible refrigerant comprises a three-way valve for changing over a refrigerant flow path in the refrigerating cycle between a normal circuit and a recovery circuit for recovering the refrigerant, and a refrigerant recovering container for guiding the refrigerant from the refrigerating cycle into the recovery circuit.
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