7B
Air Flow Diagram of A/C System
For M13 Engine Model
1. Cooling unit 6. Suction hose 11. Defroster air 16. A/C evaporator
2. Compressor 7. Condenser outlet pipe 12. Demister air 17. Dual pressure switch
3. Condenser assembly 8. Expansion valve 13. Fresh air 18. Low pressure service valve
4. Receiver/dryer 9. Ventilation air 14. Recirculation air 19. High pressure service valve
5. Discharge hose 10. Foot air 15. Heater unit      
For K9K Engine Model
1. Cooling unit 6. Receiver/dryer 11. Defroster air 16. Suction hose
2. A/C evaporator 7. Condenser assembly 12. Demister air 17. Liquid pipe No.1
3. Expansion valve 8. Compressor 13. Ventilation air 18. Discharge hose
4. Heater unit 9. Fresh air 14. Foot air 22. Heater core
5. Refrigerant pressure sensor 10. Recirculation air 15. Liquid pipe No.2