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Fahrenheit/Celsius Adjustment
When the unit is powered o, press the Mode and down arrow buttons simultaneously for 5 seconds to switch
between Fahrenheit and Celsius.
Inquiry of Ambient Temperature
When the unit is powered o, press the Swing/Enter button for 5 seconds to view the ambient temperature.
The timer area displays ambient temperature type 01 or 02. The ambient temperature area displays the
corresponding temperature of that type. 01 corresponds with the outdoor ambient temperature and 02
corresponds with the indoor ambient temperature after compensation. Press the Mode button to switch
between 01 and 02. Pressing any other button except the Mode button or receiving a remote control signal will
exit this inquiry state. No operation within 20 seconds will also automatically exit the inquiry state.
NOTE
1. If the unit is not connected to an outdoor ambient temperature sensor, the display of outdoor ambient
temperature will be shielding after energizing for 12 hours.
2. If there is a malfunction of the outdoor ambient temperature sensor, the display of outdoor ambient
temperature will be shielding after energizing for 12 hours.
3. When you want to inquire about the outdoor ambient temperature, "00" will be displayed for 3 seconds
before returning to the set temperature.
Inquiry of Historical Malfunction
When the unit is powered o, simultaneously press the Function and down arrow buttons for 5 seconds to view
historical malfunction.
In the inquiry state, the set temperature area will display "00". Press the up and down arrow buttons to view the
10 most recent malfunctions. The timer area also displays a detailed error code. The 10th malfunction displayed
is the last malfunction.
Debugging Function
When the unit is powered o, simultaneously press the Function and Timer buttons for 5 seconds to enter the
debugging menu. Press the Mode button to adjust the setting items and press the up or down arrow buttons to
set the actual value.
Setting Ambient Temperature Sensor (Dual Ambient Temperature Sensors
Function)
Under the debugging state, press the Mode button to adjust to "00" in the temperature display area. The timer
zone displays the setting state. Press the up or down arrow button to adjust. There are 3 selections:
1. The ambient temperature at air return is set as indoor ambient temperature (timer area displays "01").
2. The temperature at the wired controller is set as indoor ambient temperature (timer area displays "02").
3. Select the temperature sensor at the air return in cooling, dry, and fan modes. Select the temperature sensor
at wired controller in heating and auto modes.
WIRED CONTROLLER
2
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