33
Technical Information
Service Manual
blowing angle.
● After  selecting  cool  mode,  air  conditioner  will operate under 
cool mode. Press " " or " " button to adjust set temperature. 
Press "FAN" button to adjust fan speed. Press "   " / "   " button 
to adjust fan blowing angle.
● When selecting dry  mode, the  air conditioner operates at  low 
speed under dry mode.  Under dry mode, fan speed can’ t be 
adjusted. Press "   " / "   " button to adjust fan blowing angle. 
● When selecting fan mode, the air conditioner will only blow fan, 
no cooling and no heating. All indicators are OFF. Press "FAN" 
button to adjust fan speed. Press "   " / "   " button to adjust fan 
blowing angle.
● When selecting heating mode, the  air  condition-er  operates 
under heat mode. Press " " or " " button to adjust set 
temperature. Press "FAN" button to adjust fan speed. Press "   " 
/ "   " button to adjust fan blowing angle. (Cooling only unit won't 
receive heating mode signal. If setting heat mode with remote 
controller, press ON/OFF button can’t start up the unit).  
NOTE:
● For preventing cold air, after starting up heating mode, indoor 
unit will delay 1~5 minutes to blow air (actual delay time is 
depend on indoor ambient temperature).
●  Set  temperature  range  from  remote  controller:  61~86°C 
(61~86°F);
● Under auto mode, temperature can be displayed; Under auto 
mode, set temperature can be adjusted. This mode indicator is 
not available for some models.
3. FAN button
This button is used for setting Fan Speed in the sequence that 
goes from AUTO,   ,   ,   ,   ,   , to   , then back 
to Auto.
NOTE:
● Under AUTO speed, air conditioner will select proper fan speed 
automatically according to factory default setting.
It's low fan speed under dry mode.
● X-FAN function: Holding fan speed button for 2s in cool or dry 
mode, the icon "   " is displayed and the indoor fan will continue 
operation for a few minutes in order to dry the indoor unit even 
though you have turned off the unit. After energization, X-FAN 
OFF is defaulted. X-FAN is not available in auto, fan or heat 
mode.
● This function  indicates  that moisture  on  evaporator of indoor 
unit will be blowed after the unit is stopped to avoid mould.
●  Having  set  X-FAN  function  on: After  turning off  the  unit by 
pressing ON/OFF button, indoor fan will continue running for a 
few minutes at low speed. In this period, hold fan speed button 
for 2s to stop indoor fan directly.
Having set X-FAN function off: After turning off the unit by 
pressing ON/OFF button, the complete unit will be off directly.
4. TURBO button
Under COOL or HEAT mode, press this button to turn to quick 
COOL or quick HEAT mode. "   " icon is displayed on remote 
controller.  Press  this  button  again  to  exit  turbo  function  and 
"   " icon will disappear. If start this function, the unit will run at 
super-high fan speed to cool or heat quickly so that the ambient 
temperature approaches the preset temperature as soon as 
possible.
5.   /   button
●  Press  " " or " " button once increase or decrease set 
temperature 1°C (°F). Holding " " or " " button, 2s later, set 
temperature on remote controller will change quickly. On 
releasing button after setting is nished, temperature indicator on 
indoor unit will change accordingly.
● When setting T-ON, T-OFF or CLOCK, press " " or " " button 
to adjust time. (Refer to CLOCK, T-ON, T-OFF buttons)
6.   button
Press this button can select left & right swing angle. Fan blow 
angle can be selected circularly as below:
no display
position)
(stops at current
NOTE:
● Press this button continuously more than 2s, the main unit will 
swing back and forth from left to right, and then loosen the button, 
the unit will stop swinging and present position of guide louver 
will be kept immediately.
● Under left  and right  swing mode,  when the  status is switched 
from off to   , if press this button again 2s later,   status will 
switch to off status directly; if press this button again within 2s, 
the change of swing status will also depend on the circulation 
sequence stated above.
● The function is only available for some models.
7.   button
Press this button can select up & down swing angle. Fan blow 
angle can be selected circularly  as below:
no display
(horizontal louvers stops
at current position)
●  When  selecting  "   ", air conditioner is blowing fan 
automatically. Horizontal louver will automatically swing up & 
down at maximum angle.
● When selecting "   ,   ,   ,   , 
 
 ", air conditioner is blowing 
fan at fixed position. Horizontal louver will stop at the fixed 
position.
● When selecting "   ,   ,   ", air conditioner is blowing fan at