Unit Controls
- Warning
- Risk of Injury
- Never operate the unit unless you completely understand the controls; otherwise serious injury may occur.
| 1. | Main Display | Always active and back-lit except when the unit has been manually switched off from the In-Cab Controller. It normally displays the evaporator return air temperature but also displays setpoint temperature, hours, etc. depending on the selection chosen. |
| 2. | C/F Symbol | Indicates temperature reading is in degrees Celsius (C) or degrees Fahrenheit (F). |
| 3. | Heat Symbol | The unit is heating (Thermometer with an arrow pointing upward). |
| 4. | Up Key | Is used to increase the setpoint temperature. |
| 5. | Select Key | Is used to scroll through prompt displays and information displays. |
| 6. | On/Off Key | This key is used to start/stop the unit. |
| 7. | Buzzer | Alerts when vehicle battery and electric power supply are connected simultaneously (Models 20/50 only). Alerts if doors are opened while the refrigeration unit is running (Door Switch Option Only). Can be configured by Thermo King dealer to suit individual customer needs. |
| 8. | Enter Key | Is used to enter a new command such as manual defrost, etc. |
| 9. | Down Key | Is used to reduce the setpoint temperature. |
| 10. | Cool Symbol | The unit is cooling (Thermometer with an arrow pointing downward). |
| 11. | Alarm Symbol | Indicates there is an alarm in the system. |
| 12. | Maintenance Symbol | Indicates the need to carry out maintenance to the unit. Refer to (Maintenance Inspection Schedule). |
| 13. | Defrost Symbol | Indicates the unit is in Defrost Mode. |
| 14. | Electrical Symbol | Indicates the unit is connected to electric standby AC power (Models 20/50 only). |