
| No | Name |
| 1 | Reverse cycle system |
| 2 | Electrical control module |
| 3 | Fault setting module |
| 4 | Workbench |

| No | Name |
| 1 | Power switch |
| 2 | Voltmeter |
| 3 | Amperemeter |
| 4 | Multi-channel temperature display instrument |
| 5 | Load switch |
| 6 | Compressor start/stop switch |
| 7 | Four-way reversing valve switch |
| 8 | Radiator fan switch |
| 9 | Condenser fan speed adjustment |
| 10 | Evaporator fan speed adjustment |
| 11 | Dual-channel pressure indicator |
| No | Name |
| F1 | Motor two-phase cut-off fault button |
| F2 | Condenser fan fault button |
| F3 | Evaporator fan fault button |
| F4 | Heavy hammer driver fault button |
| F5 | Motor thermal protection fault button |
| F6 | Condenser fan controller fault button |
| F7 | Evaporator fan controller fault button |
| F8 | Low pressure switch fault button |
| F9 | High pressure switch fault button |
| F10 | Four-way reversing valve fault button |
| LED Control | Fault light hide button |
| Reset | Fault reset button |
| Voltage | Voltage measurement module button |
| Continuous Resistance | Resistance measurement mode button |