Thermo King T-1000R, Maintenance Manual

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Operating Instructions Standard HMI 7-9
Changing the Zone Setpoint
From the Standard Display, press the Enter Key to put the unit in Manual Zone Selection mode. Press the Enter Key again as
required to select the desired zone.
Zone 2 Selected
When the desired zone is selected, press the UP ARROW Key and/or DOWN ARROW Key until the desired setpoint is shown.
The setpoint has been increased to 4°C using the UP ARROW Key.
Setpoint Increased
When the desired setpoint has been selected using the UP ARROW Key and DOWN ARROW Key, the ENTER Key must be
pressed to confirm and load the new setpoint.
Press Enter Key
• The new setpoint of 4°C will remain on the display after the ENTER Key has been pressed. If the setpoint is changed using the UP ARROW
Key and DOWN ARROW Key, the setpoint display will begin to flash 10 seconds after the last press of the Up Arrow or Down Arrow key
as a reminder to press the ENTER Key.
• The setpoint display will flash for 10 additional seconds. If at the end of this time the ENTER Key still has not been pressed to complete the
setpoint change, the setpoint will return to the old setpoint and Alarm Code 127 Setpoint Not Entered will be set. The Alarm Icon will
appear in the display.
Failure to confirm the new setpoint by pressing the ENTER Key within 20 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 started but
was not completed.
Alarm Icon Displayed
Notice that the setpoint has returned to the old setpoint of 2°C and the Alarm Icon has lighted indicating that Alarm Code 127
Setpoint Not Entered is set.
IMPORTANT: If the setpoint is changed using the UP ARROW Key or DOWN ARROW Key, the change must be confirmed by pressing
the ENTER Key within 20 seconds of changing the setpoint.
• If the ENTER Key is pressed, the setpoint change made with the UP ARROW Key and/or DOWN ARROW Key is accepted, the setpoint is
changed, and the display returns to the Standard Display showing the new setpoint.
• If the ENTER Key is not pressed within 20 seconds of making a change with the UP ARROW Key and/or DOWN ARROW Key, the
setpoint is not changed and the display returns to the Setpoint Display showing the old setpoint. Alarm Code 127 Setpoint Not Entered is set
and the Alarm Icon will appear on the display, to indicate that the setpoint change was started but not completed.