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Slide
Air intake grille fixing knob
Air filter
Air intake grille
Air filter handle
Air filter
Air filter handle
Air intake grille hook
Air intake grille fixing hook
Air intake grille fixing knob
Air intake grille
Air filter
10 Maintenance
<Daily maintenance>
▼Cleaning of air filter
1
Push the button to stop the operation,
then turn off the circuit breaker.
1,7
3 Take out air filter.
• Push the handle of the air filter, and remove the
hook of the air intake grille. Pull out the air filter
toward you.
4 Cleaning with water or vacuum cleaner.
• If dust is heavy, wash it with tepid water
including neutral detergent or water.
• After cleaning with water, dry it completely in the
shade.
5 Mount the air filter.
6 Close the air intake grille.
• Close the air intake grille, and then fix it securely
while sliding knob closed side (CLOSE).
• Fix the screws of air intake grille fixing knob on a
side of each filter.
7
Turn on the circuit breaker, then push the
button on the remote controller to start the
operation.
CAUTION
• Do not start the air conditioner while leaving air filter
removed.
2 Open the air intake grille.
• Remove the screws of air intake grille fixing
knob on a side of each filter.
• Slide the air intake grille fixing knobs (two
positions) toward the arrow direction (OPEN),
and then open the air intake grille.
▼Periodic Maintenance
• For environmental conservation, it is strongly recommended that the indoor and outdoor units of the air
conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner. When
the air conditioner is operated for a long time, periodic maintenance (once a year) is recommended. Furthermore,
regularly check the outdoor unit for rust and scratches, and remove them or apply rustproof treatment, if
necessary.
As a general rule, when an indoor unit is operated for 8 hours or more daily, clean the indoor unit and outdoor unit
at least once every 3 months. Ask a professional for this cleaning / maintenance work.
Such maintenance can extend the life of the product though it involves the owner’s expense.
Failure to clean the indoor and outdoor units regularly will result in poor performance, freezing, water leakage, and
even compressor failure.
Inspection before maintenance
Following inspection must be carried out by a qualified installer or qualified service person.
Parts Inspection method
Heat exchanger
Look through the air discharge port to check the part. Examine the heat exchanger if there
is any clogging or damages.
Fan motor Check if any abnormal noise can be heard.
Fan Check if any abnormal noise can be heard.
Filter Go to installed location and check if there are any stains or breaks on the filter.
Drain pan
Look through the air discharge port to check the part. Check if there is any clogging or drain
water is polluted.
▼Maintenance List
Part Unit Check (visual / auditory) Maintenance
Heat exchanger Indoor / outdoor Dust / dirt clogging, scratches
Wash the heat exchanger when it is
clogged.
Fan motor Indoor / outdoor Sound
Take appropriate measures when
abnormal sound is generated.
Filter Indoor Dust / dirt, breakage
• Wash the filter with water when it is
contaminated.
• Replace it when it is damaged.
Fan Indoor
• Vibration, balance
• Dust / dirt, appearance
• Replace the fan when vibration or
balance is terrible.
• Brush or wash the fan when it is
contaminated.
Air intake /
discharge grilles
Indoor / outdoor Dust / dirt, scratches
Fix or replace them when they are
deformed or damaged.
Drain pan Indoor
Dust / dirt clogging, drain
contamination
Clean the drain pan and check the
downward slope for smooth drainage.
Ornamental panel,
louvres
Indoor Dust / dirt, scratches
Wash them when they are
contaminated or apply repair coating.
Exterior Outdoor
• Rust, peeling of insulator
• Peeling / lift of coat
Apply repair coating.
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