TK 55032-18-OP-EN
21
Unit Controls
W
WA
AR
RN
NIIN
NG
G
R
Riisskk o
off IIn
njju
urry
y!!
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.
