Multi Variable Air Conditioners Console Type Indoor Unit 
19 
5.4 Introduction of Special Function 
(1)  Setting child lock. 
Press  “
”  and  “ ”  button simultaneously to lock the buttons on remote controller and    is 
displayed. 
Press “
” and “ ” button simultaneously again to unlock the buttons on remote controller and is 
not displayed. 
If the buttons are locked, 
  blinks 3 times when pressing the button and any operation on the 
button is invalid. 
(2)  Switching temperature scale. 
In unit off status, press “MODE”  button and “
”  button simultaneously to switch temperature 
scale between °C and °F. 
(3)  Setting energy-saving function. 
In unit on status and under cool mode, press “CLOCK”  and  “TEMP”  button simultaneously to 
enter energy-saving mode.   
1)  When 
displayed, energy-saving function is is on. 
2)  When 
not displayed, energy-saving function is is off. 
If you want to turn off the energy-saving function, press “CLOCK” and “TEMP” button and 
  is 
not displayed. 
NOTE!
 
  Energy-saving function is only available in cooling mode and it will be exited when switching 
mode or setting sleep function. 
(4)  Absence function. 
In unit on status and under heat mode, press “CLOCK” and “TEMP” button simultaneously to 
enter absence function. Temperature displaying zone displays 8 and 
  is displayed. 
Press “CLOCK” and “TEMP” button simultaneously again to exit absence function. Temperature 
displaying zone resumes previous display and is not displayed. 
In winter, absence function can keep the indoor ambient temperature above  0°C  to avoid 
freezing. 
NOTE!
 
  Absence function is only available in heating mode and it will be exited when switching mode or 
setting sleep function. 
5.5 Replacing Batteries in Remote Controller and NOTE 
(1)  Lift the cover along the direction of arrow (as shown in Fig 1
①
). 
(2)  Take out the original batteries (as shown in Fig 1
②
). 
(3)  Place two 7# (AAA 1.5V) dry batteries, and make sure the position of “+” polar and “-” polar 
is correct (as shown in Fig 2
③
).