| 1 | Heating fan motor | 7 | Pulsation damper |
|---|---|---|---|
| 2 | Evaporator | 8 | Pressure pickup |
| 3 | Expansion valve | 9 | Receiver-dryer |
| 4 | Low pressure service connection | 10 | Auxiliary fan |
| 5 | Pulsation damper | 11 | Condenser |
| 6 | High pressure service connection | 12 | Compressor |
| a | Outside air |
|---|---|
| b | Warm air |
| c | Non-cooled air |
| d | Cooled air |
| A | High-pressure steam |
| B | High-pressure fluid |
| C | Low-pressure fluid |
| D | Low-pressure steam |