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Refrigerant: Testing and Inspection

CHARGE OF REFRIGERANT
Note that there are two types of receiver/dryer; one equipped with sight glass and the other without sight glass.
If sight glass is not provided, perform following "Performance Test" to check if refrigerant is properly charged or not.
If sight glass is provided, charge state of refrigerant can be checked through it. Refer to the same section of the service manual mentioned in Foreword of this manual for details.