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Hitachi RAS-14CH4 - Maintenance Procedures; Air Filter Cleaning

Hitachi RAS-14CH4
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24
Suction grille
Front cover
Claws
Suction grille
Air Filter
Air cleansing
and deodorizing
filter
MAINTENANCE
CAUTION
Cleaning and maintenance must be carried out only by qualified service personal. Before these
cleaning, stop operation and disconnect the power supply.
Air filter
Clean the air filter, as it removes dust inside the room. It should be washed when the
(FILTER) lamp lights. 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 suction grille and remove the filter.
Press the mark PUSH on the left and right sides and open
the suction grille.
Push air filter upward to release the claws and pull out the
filter.
Gently remove the air cleansing and deodorizing filter from
the front cover frame.
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.
Re-insert the air cleansing and deodorizing filter to the front
cover frame. Set the filter with FRONT mark facing front,
and slot them into the original state. Close the suction grille
and press mark PUSH at the left and right sides of the
suction grille to fix it securely.
2
3
CAUTION
Do not bend the air cleansing and
deodorizing filter as it may cause
damage to the structure.
NOTE:
The cooling capacity is slightly weakened and the cooling speed becomes slower when the air cleansing and deodorizing filters
are used. So , set the fan speed to HIGH when using it in this condition.
Air cleansing and deodorizing filters are washable and reusable up to 20 times by using vacuum cleaner and water rinse under
running tap water. Type number for this air cleansing filter is <SPX-CFH5>. Please use this number for ordering when you want
to renew it.
Air cleansing and deodorizing filter should be cleaned every month or sooner if noticeable loading occurs. When used overtime,
it may lose its deodorizing function. For maximum performance, it is recommended to replace it every 3-6 months depending on
application requirements.
Do not operate the air conditioner without filter. Dust may enter the air conditioner and fault may occur.
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.

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