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7. MAINTENANCE
(FOR SERVICE PERSONNEL)
ONLY A QUALIFIED SERVICE PERSONNEL IS
ALLOWED TO PERFORM MAINTENANCE
WARNING
• Do not use flammable gas (such as hair sprays or insec-
ticides) near the air conditioner.
• Do not wipe the air conditioner with benzine or thinner.
It may cause cracks, electric shock or a fire.
• Never put your fingers or rods in the suction grille, air
outlet, or horizontal blade.
The fan is rotating at high speed, so you would get injured.
CAUTION
• Do not wash the air conditioner with water.
It may cause electric shock or a fire due to leakage.
• Make sure to turn off the air conditioner when taking
care of the air conditioner and disconnect the power
supply breaker.
Unless the power supply is disconnected, it may cause electric
shock and injuries.
• When working at a high place, give caution to your foot-
ing.
If the scaffold is unstable, it may cause injuries due to falling
and stumbling.
NOTE
• Do not remove the air filter except for cleaning. Operat-
ing the unit without an air filter may result in failure.
• Do not attach substance (such as paper towels) other
than the specified air filter to the suction grille.
The performance may drop and cause freeze-up/water
leakage.
HOW TO CLEAN THE AIR FILTER
When the remote controller indicates a filter sign, clean the air
filter.
• The sign is made after the system runs for a defined period of
time.
NOTE
• You may change the time of indication a filter sign.
If the unit is used in a space where the air is more
contaminated, ask your local dealer for solution.
Dust level
Time until sign is displayed
Normal
2500 hours (equivalent to one year)
More contaminated
1250 hours (equivalent to a half year)
• If it becomes difficult to remove dust from the air filter, replace
the air filter.
(Air filter for replacement is an optional accessory.)
5
1. Open the suction grille.
Simultaneously press the two knobs, slowly pull down the
suction grille.
2. Take out the air filter.
Carry out the work taking the following steps:
1 Pull the air filter end inclined downward and unhook the
hooking hole of the air filter from the projection of the
grille. (Both right and left)
Air filter
Hooking hole
2 Lift the air filter and unhook the hooking hole of the air fil-
ter from the projection at the grille upper part. (Both left
and right)
Lift up the air filter
Projection
Air filter
3. Clean the air filter.
Clean the dust with a vacuum cleaner or wash it with water.
If the air filter is
extremely dusty,
wash it with
neutral detergent
using a soft brush.
2
1
Projection
Hooking hole Projection
After shaking off
excess water, dry
the air filter in the
shade.
English
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