6
Operation manual
3. Not Cooling or Heating properly
Check for obstruction of air flow at outdoor or indoor units.
Check if too many heating sources are located in the room.
Check if the air filter is clogged with dust.
Check if the doors or windows are open.
Check if the temperature condition is not within the operation range.
4.This is Not Abnormal
Smells from indoor unit
During defrosting operation, ice on the outdoor heat exchanger is melted, resulting in making steam.
Dew on Air Panel
Refrigerant Flow Sound
While the system is being started or stopped, sound from the refrigerant flow may be heard.
5.Filter removing
and
installing
Removing filter from air return grille
Take out the air filter according the following steps.
Step1
Slide the air return grille holding knobs(4) , then remove the holding screws(4 or 6) as indicated by the
arrow marks.
Step2
Open the air return grille to an angle of more than 45
°
and take out the air filter from the air inlet grille by
holding the air grille and lifting the air filter after detaching the filter from the hinges.
Installing the
filter
Step1:Insert the filer to the grille and aim the bottom hooks. Pay attention to grille top hooks is locked .
Step2:Fix screws (4 or 6).
Step3:The intake grille is attached.
step 1
bottom hook
top hook
step 2
6
During system starting or stopping, a sound might be heard. However, this is due to thermal deformation
of plastic parts. It is not abnormal.
Smell adheres on indoor unit after a long period of time. Clean the air filter and panels or allow a good
ventilation.
Sound from Deforming Parts
Steam from Outdoor Heat Exchanger
When the cooling operation continues for a long period of time under high humidity conditions (higher
than 27
℃
/ 80%R.H.), dew can form on the air panel.
