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TK 56430-18-IP-EN
HMI Overview
The HMI is very simple to operate with five buttons and a LCD display screen. The icons for the five buttons are shown
below with their functions:
On/Off Key:
Turns the unit on and off. Always lit (except when the unit is disconnected). Provides a visual indication that
the unit is powered-up.
Select Key:
Scrolls through the menu screens.
Up Arrow Key:
Chooses menu screen actions or increases the setpoint temperature or other settings.
Down Arrow Key:
Chooses menu screen actions or decreases the setpoint temperature or other settings.
Enter Key:
Executes menu screen actions or loads the setpoint temperature or other new settings.
Buzzer:
Sounds an audible warning whenever these events occur:
1.
When the vehicle battery and the optional Electric Standby power source are connected simultaneously
2.
When the load compartment doors are opened while the unit is operating.
The LCD display has many icons to help the user identify what function the unit is performing and what state the
compartment is at. The icons displayed on the home screen are shown below:
Cool Icon:
Appears when the load compartment is cooling.
Heat Icon:
Appears when the load compartment is heating.
Degrees Icon:
Indicates whether the on-screen temperature reading is in degrees Celsius (°C) or degrees Fahrenheit (°
F).
Maintenance Icon:
Appears when a user-defined maintenance event should occur.
Defrost Icon:
Appears when the evaporator coil is defrosting (the unit is in Evaporator Defrost mode)