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TK 61650-18-OP-EN
Unit Controls
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Never operate the unit unless you completely understand the controls;
otherwise serious injury may occur.
Figure 9. In-cab Control Panel (HMI) Display, Keys, Symbols
1. Display It is always active and backlit except when the unit is disconnected
(no power) or when the unit is connected but has been manually
switched off from the HMI. It normally displays the return air
temperature (of both load compartments in multi-temperature
units).
2. On/Off Key This key is used to start/stop the unit. It is always lit except when the
unit is disconnected (no power), and thus acts as an indicator of the
presence of power in the unit.
3. Select Key Selects prompt screens and information screens.
4. Up Key Is used to increase the setpoint temperature.
5. Down Key Is used to reduce the setpoint temperature.
6. Enter Key
Is used to enter a new command such as manual defrost, etc.
7. Buzzer It is energised when the vehicle battery and the electric power supply
are connected simultaneously. It is also energized if the doors are
opened while the refrigeration unit is running.
8. Cool Symbol (Thermometer with an arrow pointing downward). The unit is cooling.
9. Heat Symbol (Thermometer with an arrow pointing upward). The unit is heating.
10. °C/°F Symbol Indicates whether the on-screen temperature reading is in degrees
Celsius (C) or degrees Fahrenheit (F).
UUnniitt DDeessccrriippttiioonn
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