7
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.
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.
5.Filter removing and installing
Removing filter from air return grille
Take out the air filter according the following steps.
Step 1
Slide the air return grille holding knobs (4) , then remove the holding screws (4 or 6) as indicated by the
arrow marks.
Step 2
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
Step 1: Insert the filer to the grille and aim the bottom hooks. Pay attention to grille top hooks is locked.
Step 2: Fix screws (4 or 6).
Step 3: The intake grille is attached.
Step 1
bottom hook
top hook
Step 2
AUV-18HR4SSA1
AUV-24HR4SFA1
AUV-36HR6SDB1
AUV-48HR6SEC1
AUV-60HR6SPC1
RPFC-2.0UNZ1NH
RPFC-3.0UNZ1NH
RPFC-4.0UNZ1NH
RPFC-6.0UNZ1NH
RPFC-6.5UNZ1NH
YFGN18BZNRZUH1
YFGN24BZNRZUH1
YFGN36BZMRZUH1
YFGN48BZMRZUH1
YFGN55BZMRZUH1
RAS-2.0UNZGNH1
RAS-3.0UNZGNH1
RAS-4.0UNZGMH1
RAS-6.0UNZGMH1
RAS-6.5UNZGMH1
●
Blowing out the surviwal heating air
When stoping the air conditioner in normal operation, the fan motor would run with low speed for a while to blow
out the residual heating air.
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