Service Guide

Operation Section

5.4 Wall Mounted Controller (WMC)

• The WMC for this unit should be mounted within the room close to the return air grill to provide

convenient system control.

1 ON/OFF button Activates (LED illuminates green) or deactivates unit operation.

2 MODE button Activates COOL or FAN ONLY operation.

3 FAN MODE button Activates fan mode RUN or AUTO.

RUN: Fan operates continuously during COOL mode even after the room

temperature reaches the set point temperature.

RUN mode is automatically selected when FAN ONLY mode is selected.

AUTO:Fan automatically stops during COOL mode after the room temperature

reaches the set point temperature.

Fan automatically operates when the room temperature is above the set

point temperature.

4 FAN SPEED button Activates fan speed High or Low.

5 UP () and DOWN () button Increases or decreases the temperature set point during COOL mode. Selects

each item when setting the clock or program.

6 PROGRAM button Sets or displays program.

7 SET TIME button Sets clock (day and time).

8 ENTER button Accepts selection and goes to the next step.

9 RUN/STOP button Activates or deactivates program(s).

10 RESET button • Clears self-diagnostic codes.

• Returns to “Day of the week” for “ON” (start) program setting during program

editing mode.

• Clears all program memory during program editing mode by pressing and

holding the RESET button for 3 seconds.

I003163

4.8 in (120 mm)

0.6 in (15 mm)

LCD Display Control Panel