5
After turning the power of wired controller on or resetting the wired controller, all icons of the wired
controller will display rst and then the program version No. will display, then 88.8 will be displayed in
order till the initialization completed.
If the wired controller can’t communicate with the indoor unit PCB normally after powering on, the
initialization will be nished in 4 minutes, and then the communication malfunction can be checked
from the malfunction inquiry function.
Initialization
Operation
Press to switch on or switch o the wired controller. When the wired controller is turned on,
setpoint temperature, mode and fan speed etc. will display. After the wired controller is turned o, only
will display (if SW3-2 is on, ambient temperature will be display).
On/O
Press the corresponding mode key to select the mode. The mode key icon which is selected will be lit,
while other mode key icons will be dimmed.
Mode selection
Press or or slide the semi-circle dots in temperature display area to adjust the
temperature. When the ECO function is not selected, the adjustment range of the temperature setpoint
is 16°C~30°C.
Temperature setpoint adjustment
Press or slide the dot on the right of fan speed icon to adjust fan speed.
Adjustment range: Low → Medium → High →Auto fan speed.
In fan mode, there is no auto fan speed.
Fan speed adjustment
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