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10
Maintenance
CAUTION
Before maintenance, be sure to turn off the
leakage breaker.
Cleaning of air filter
If
is displayed on the wired remote controller,
maintain the air filter.
Clogging of the air filter reduce cooling / heating
performance.
1
Push the ON/OFF button to stop the operation,
then turn off the circuit breaker.
2
Open the air intake grille.
Remove the screws of air intake grille fi xing
knob on a side of each fi lter.
Slide the air intake grille fi xing knobs (two
positions) toward the arrow direction (OPEN),
and then open the air intake grille.
Air intake grille
Air intake grille fi xing knob
Air fi lter
3
Take out air fi lter.
Push the handle of the air fi lter, and remove the
hook of the air intake grille. Pull out the air fi lter
toward you.
Air fi lter
Air fi lter handle
Air intake grille hook
Air fi lter handle
Air intake grille fi xing hook
43-EN
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 fi lter.
6
Close the air intake grille.
Close the air intake grille, and then fi x it securely
while sliding knob closed side (CLOSE).
Fix the screws of air intake grille fi xing knob on a
side of each fi lter.
Air intake grille
Air intake grille fi xing knob
Air fi lter
7
Turn on the circuit breaker, then push the
ON/OFF button on the remote controller to
start the operation.
8
Reset clean the air filter.
display disappears.
CAUTION
Do not start the air conditioner while leaving air fi lter
removed.
Push the fi lter reset button.
(
indication will be turn off.)
REQUIREMENT
Be sure to clean the heat exchanger with
pressurized water.
If a commercially available detergent (strong
alkaline or acid) cleaning agent is used, the
surface treatment of the heat exchanger will be
marred, which may degrade the self cleaning
performance.
For details, contact the dealer.
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 effi cient 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 qualifi ed installer or qualifi ed service person.
P
r a
s t
Look through the air discharge port to check the part. Examine the heat exchanger if there
Heat exchanger
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 fi lter.
Look through the air discharge port to check the part. Check if there is any clogging or drain
Drain pan
water is polluted.
Maintenance List
Part
Unit
Heat exchanger
Indoor / outdoor
Fan motor
Indoor / outdoor
Filter
Indoor
Fan
Indoor
Air intake /
Indoor / outdoor
discharge grilles
Drain pan
Indoor
Ornamental panel,
Indoor
louvres
Exterior
Outdoor
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n I
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p
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t c
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m
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Check (visual / auditory)
Maintenance
Wash the heat exchanger when it is
Dust / dirt clogging, scratches
clogged.
Take appropriate measures when
Sound
abnormal sound is generated.
Wash the fi lter with water when it is
Dust / dirt, breakage
contaminated.
Replace it when it is damaged.
Replace the fan when vibration or
Vibration, balance
balance is terrible.
Dust / dirt, appearance
Brush or wash the fan when it is
contaminated.
Fix or replace them when they are
Dust / dirt, scratches
deformed or damaged.
Dust / dirt clogging, drain
Clean the drain pan and check the
contamination
downward slope for smooth drainage.
Wash them when they are
Dust / dirt, scratches
contaminated or apply repair coating.
Rust, peeling of insulator
Apply repair coating.
Peeling / lift of coat
EN
FR
ES
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