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Maintenance and Service
Maintenance and Service(Plasma + Grille Type)
CAUTION
Before performing any maintenance, turn off the main power to the system.
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.
Supply power must be disconnected
NOTICE
before cleaning the indoor unit.
Air Filter
The air filters behind the front grille should be
checked and cleaned once every 2 weeks or more
often if neccessary.
Rack
Air filter
TT chassis : 6EA Rack
TU chassis : 4EA Rack
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.
8
Indoor Unit
Air outlet
1. Remove air filters.
o Take hold of the tab and pull slightly forward to
When the air filter is to be removed, do not
touch the metal parts of the indoor unit.
It may cause an injury.
Plasma filter
2. Remove plasma filter.
o Unscrew 2 screws from plasma filter.
3. Clean dirt from the air filter using a vacuum
cleaner or washing with water.
o If dirt is conspicuous, wash with a neutral
o If hot water (50 °C or more) is used, it may be
4. After washing with water, dry well in the
shade.
o Do not expose the air filter to direct sunlight or
5. Install plasma filter and air filter.
Air inlet
Wired Remote
Controller (Accessory)
remove the filter.
CAUTION
detergent in lukewarm water.
deformed.
heat from a fire when drying it.
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