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– 21 –
MAINTENANCE
Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning,
stop operation and switch off the power supply.
1. AIR FILTER
Clean the air filter, as it removes dust inside the room. 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.
CAUTION
1
Open the front panel and remove the filter
● Gently lift and remove the air cleansing and
deodorizing filter from the air filter frame.
2
Vacuum dust from the air filter and air cleansing
and deodorizing filter using vacuum cleaner. If
there is too much dust, rinse under running tap
water and gently brush it with soft bristle brush.
Allow filters to dry in shade.
3
● Re-insert the air cleansing and deodorizing
filter to the filter frame. 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.
CAUTION
● 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.
● Do not use detergent on the air cleansing and deodorizing filter as some detergent may deteriorate
the filter electrostatic performance.
PROCEDURE
NOTE:
● Air cleansing and deodorizing filter should be cleaned every month or sooner if noticeable loading
occurs. When used overtime, it may loose its deodorizing function. For maximum performance, it is
recommended to replace it every 3-6 months depending on application requirements.
RAS/RAC-72CHA3 EN3 17/2/05, 4:15 PM21
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