Maintenance and Service
Before performing any maintenance, turn off the main power to the system.
Indoor Unit
Grille, Case, and Remote Control
o Turn the system off before cleaning.
To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.
NOTICE
: Supply power must be disconnected before cleaning the indoor unit.
o Never use any of the followings:
• Water hotter than 40°C. Could cause deformation and/or discoloration.
• Volatile substances
Could damage the surfaces of the air conditioner.
AIR FILTERS
The air filters behind the front grille should be
checked and cleaned once in every 2 weeks or
more often if neccessary.
1. Lift the front access panel and pull the filter tab
slightly forward to remove the filter.
2. Clean the filter with a vacuum cleaner or
warm, soapy water.
• If dirt is conspicuous, wash with a
solution of detergent in lukewarm water.
• If hot water (40°C or more) is used, it
may be deformed.
3. After washing with water, dry well in the shade.
4. Re-install the air filter.
PLASMA FILTER(OPTIONAL)
The PLASMA filter behind the air filters should be checked and cleaned once in every 3 months or more often if
necessary.
1. After opening the front grille, pull slightly
forward to remove the PLASMA filter.
2. Remove dust with vacuum cleaner or
air.
(You should not try to wash with water).
3. Note the cuts of electric discharge lines.
4. Re-install the PLASMA filter to the
original position.
WARNING
: Don't touch this PLASMA Filter within 10 seconds after opening the inlet grille, it may cause an electric
shock.
Vertical louver
Horizontal louver
Air outlet vent
Air filters
(behind front panel)
Air inlet vent
(9k/12k)
2
PLASMA
Filter
1
(9k/12k)
Maintenance and Service
Vertical louver
Horizontal louver
Air outlet
Air inlet vent
Air filters
vent
(18k/24k)
(18k/24k)
Owner's Manual 21