– 16 –
MAINTENANCE
Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning,
stop operation and switch off the power supply.
CAUTION
1. AIR FILTER
When the filter indicator lamp comes on, be sure to clean the filter. By doing so, the power rates are
saved. In case the air filter is full of dust, the air flow will decrease and the cooling capacity will be
reduced. Further, noise may occur. Be sure to clean the filter following the procedure below.
PROCEDURE
1
Open the front panel carefully and remove the filter.
2
Vacuum dust from the air filter using vacuum cleaner.
If there is too much dust, wash the filter with a detergent
and rinse it thoroughly. After that, dry it in the shade.
3
• Set the filter with “FRONT” mark facing front, and
slot them into the original state.
• After attaching the filters, push the front panel at
three arrow portions as shown in figure and close
it.
• Do not wash with hot water at more than 40°C. The filter may shrink.
• When washing it, shake off moisture completely and dry it in the shade; do not expose it directly
to the sun. The filter may shrink.
• Don't operate the unit without filter. Fault may occur if you continue.
CAUTION
– 17 –
ENGLISH
2. CLEANING OF FRONT PANEL
• Remove the front panel and wash with clean water.
Wash it with a soft sponge.
After using neutral detergent, wash thoroughly with
clean water.
• When front panel is not removed, wipe it with a soft
dry cloth. Wipe the remote controller thoroughly with
a soft dry cloth.
• Wipe the water thoroughly.
If water remains at indicators or signal receiver of
indoor unit, it causes trouble.
Method of removing the front panel.
Be sure to hold the front panel with both hands to
detach and attach it.
CAUTION
Removing the Front Panel Attaching the Front Panel
• When the front panel is fully opened with both
hands, push the right arm to the inside to
release it, and while closing the front panel
slightly, put it out forward.
• Move the shafts of the left and right arms into
the steps in the unit and securely insert them
into the holes.
Shaft
Step
Hole
• Do not splash or direct water to the body of the unit when cleaning it as
this may cause short circuit.
• Never use hot water (above 40°C), benzine, gasoline, acid, thinner or a
brush, because they will damage the plastic surface and the coating.
3. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD
• Run the unit by setting the operation mode to
(FAN) and the fan speed to HI for about half a day
on a fine day, and dry the whole of the unit.
• Switch off the power plug or turn off the circuit breaker.
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