Manual A/C
A/C Refrigerant System, Identification
Manual A/C
A/C refrigerant circuit with one evaporator
1 - Evaporator
2 - Expansion valve
3 - High-pressure service valve
4 - Sight glass (if equipped)
5 - Receiver drier
6 - Condenser
7 - Compressor
NOTE: Arrows indicate direction of refrigerant flow.