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Operating Instructions
Maintenance and Service
Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker and
unplug the power cord.
Ceiling Cassette Type
Grille, Case and Remote Control
p Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.
NOTE
Supply power must be disconnected before cleaning the indoor unit.
Air Filters
The air filters behind the front grille should be checked
and cleaned once every 2 weeks or more often if
neccessary.
n 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.
18 Multi Air Conditioner
1
Remove the Air filters.
n Take hold of the tab and pull slightly forward to
remove the filter.
CAUTION:
be removed, do not touch the metal
parts of the indoor unit.
It may cause an injury.
2
Clean dirt from the air filter using a vacuum
cleaner or washing with water.
n If dirt is conspicuous, wash with a neutral
detergent in lukewarm water.
n If hot water (50°C or more) is used, it may be
deformed.
3
After washing with water, dry well in the
shade.
n Do not expose the air filter to direct sunlight
or heat from a fire when drying it.
4
Install the air filter.
When the air filter is to
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