Thermo King UT-1200, Manual

Page: 55 / 169

Operating Instructions for Premium HMI Control Panel
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Figure 58: Increase Setpoint
The YES and NO soft keys confirm the setpoint
change. When the desired setpoint has been
selected using the “+” and/or “-” keys, press the
YES soft key to confirm and load the new
setpoint. If the setpoint is changed using the “+”
or “-” keys, the change must be confirmed or
rejected by pressing the YES or NO soft key
within 10 seconds of changing the setpoint.
Failure to confirm the new setpoint by pressing
YES or NO within 10 seconds of changing the
setpoint will result in no setpoint change. In
addition, Alarm Code 127 Setpoint Not Entered is
set, to indicate that the setpoint change was not
completed.
Figure 59: Soft Keys
After the YES soft key has been pressed, the
display briefly shows PROGRAMMING NEW
SETPOINT - PLEASE WAIT. The display then
confirms the new setpoint for several seconds.
Figure 60: New Setpoint
If the NO soft key is pressed the display will
briefly show SETPOINT NOT CHANGED and
return to the Standard Display. The Standard
Display will show the old setpoint.The display
then returns to the Standard Display showing the
new setpoint. Notice in Figure 61 that the arrow
now points up to indicate that the unit is heating.
Figure 61: Standard Display, New Setpoint
IMPORTANT: If the setpoint is changed using
the “+” or “-” keys, the change must be
confirmed or rejected by pressing the YES or NO
soft key within 10 seconds of changing the
setpoint.
• If the YES key is pressed, the setpoint change
made with the “+” or “-” key is accepted, the
setpoint changes, and the display returns to the
Standard Display.
• If the NO key is pressed the setpoint change
made with the “+” or “-” key is not accepted,
the setpoint is not changed, and the display
returns to the Standard Display.
• If either the YES or NO key is not pressed
within 10 seconds of making a change with
the “+” or “-” key, the setpoint is not changed,
and the display returns to the Setpoint Display.
The display briefly shows [SETPOINT NOT
CHANGED] and
Alarm Code 127 Setpoint
Not Entered is set, to indicate that a setpoint
change was started but not completed.
Starting the Diesel Engine
Diesel engine preheats and starts are automatic in
both Continuous Mode and CYCLE-SENTRY
Mode. The engine will preheat and start as
required when the unit is turned on. The engine
preheat and start will be delayed in
CYCLE-SENTRY mode if there is no current
need for the engine to run. If any keys are being
pressed on the HMI control panel the engine will
not preheat and start until 10 seconds after the last
key is pressed
NOTE: If the unit is equipped with optional
Electric Standby there may be some additional
prompts before the engine will start. See
STARTING THE ELECTRIC MOTOR on the
following pages for details.
CAUTION: The engine may start automatically
any time the unit is turned on.