Refrigerant Circuit Design

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Fig 1: Refrigerant Circuit With Expansion Valve And Evaporator

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Refrigerant Circuit with Expansion Valve and Evaporator

Evaporator
Expansion valve
Valve for extraction, charging and measurement
Inspection port (not installed with R134a circuits)
Receiver with dryer
Condenser
Compressor

NOTE:

Arrows show direction of refrigerant flow.

Fig 2: Refrigerant Circuit With Restrictor And Reservoir

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Refrigerant Circuit with Restrictor and Reservoir

Compressor
Condenser
Restrictor
Evaporator
Reservoir

NOTE:

Arrows show direction of refrigerant flow.