5 
Under the timer on setting status, press
the timer/clock setting button, then enter 
into the timer off setting status and the 
screen will display   
 
 
 
and 
 
The setting method of timer off is the 
same as the timer on. 
 
Under timer setting state, set the timer 
on and timer off to be 0.0 h can cancel 
timer on and timer off.
 
 
 
CAUTION
 
If the wired remote controller has been 
set timer on/off, press the ON/OFF to 
turn on/turn off the unit - then the timer 
will be canceled simultaneously.
 
 
 
Clock setting
 
Long press the timer/ clock setting
button for 3 seconds, then enter into the
clock setting status.
 
 
 
After finishin
g the hour setting, press
left button 
 
 
 
   
 
 
button or wait for 
5 seconds 
 
 
 
ECO operation 
 
Press the  
operation when the unit is turned on
and is cooling or heating.
button to enter ECO
 
Under ECO operation, the initial fan 
speed is auto and the setpoint is 26°C
for COOL mode and 22°C for HEAT 
mode. 
 
ECO operation is available only when
the IDU e
quiped with this function.
 
 
 
Lock the 
 
wired remote 
 
controller 
     
Press the temperature adjusting buttons  
enters into locking state and the locking 
icon  
simultanously, the wired remote controller
   
Under the locking state, the wired controller 
will not respond to the buttons pressing 
and  the control instruction from the 
wireless remote controller.
reminding icon will be lighted up, to remind 
that the air filter of the indoor unit need to 
be cleaned  
   
 
Air filter cleaning reminding 
function 
 
The wired remote controller records the
total running time of the indoor unit, when 
the accumulated running time reaches
the pre
-setted value, the air filter cleaning
 
reminding icon will be lighted up, to remind 
that the air filter of the indoor unit need to be   
 
 
Lon
g press of 
 for 3 seconds and 
reset the reminding icon and the wired remote 
controller will re
-accumulate the total running 
time of the indoor unit.
 
The hour position of the clock will flash
and can press temperature setting
button to adjust the hour value.  
or right button 
to switch to minute position setting,
then the minute position will flash
press temperature setting button
 
After finish the clock setting, press
to confirm and exit 
the setting state. 
the 
will be lighted up. 
Simultanously press the temperature 
adjusting buttons again can cancel the
locking state.