Refer to Refrigerant Connection.

1. | Heater & cooling unit assembly | 2. | O‐ring | 3. | Low‐pressure flexible hose
4. | Low‐pressure pipe 2 | 5. | Compressor | 6. | Condenser
7. | High‐pressure flexible hose | 8. | High‐pressure pipe 1 | 9. | High‐pressure pipe 2
10. | Low‐pressure pipe 1 | 11. | High‐pressure pipe 3 | 12. | Expansion valve
13. | Evaporator |  |  |  |
Refer to Components for symbols in the figure.