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Cleaning of discharge louver
The discharge louver can be removed to clean.
1. Remove the discharge louver.
• Holding the both ends of the discharge louver,
remove the louver sagging the center downward.
2. Cleaning with water
• If the dirt is terrible, clean the louver by tepid
water with neutral detergent or water.
3. Mount the discharge louver.
• First push in one side of the louver, and
then insert the other side sagging the center
downward.
(2) Insert in the louver sagging
down the center downward.
(1) Insert
Be careful to the direction of the louver when
mounting.
Mount the louver so that the side with the mark faces
upward.
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 ef
fi
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 quali
fi
ed installer or quali
fi
ed service person.
Parts
Possible installed ceiling height
Heat exchanger
Access from inspection opening and remove the access panel. Examine the heat
exchanger if there is any clogging or damages.
Fan motor
Access from inspection opening and check if any abnormal noise can be heard.
Fan
Access from inspection opening and remove the access panel. Examine the fan if
there are any waggles, damages or adhesive dust.
Filter
Go to installed location and check if there are any stains or breaks on the
fi
lter.
Drain pan
Access from inspection opening and remove the access panel. Check if there is any
clogging or drain water is polluted.
Maintenance List
Parts
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
fi
lter 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.
