Hitachi RAS-25CNH2 Service Manual page 19

MAINTENANCE
CAUTION
!
Before the cleaning, stop operation and disconnect 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.
PROCEDURE
1
Remove the filter
G Be sure to hold the button sides on the left
and right of the front grille with both hands
and pull up the grille forward.
G Slightly lift the filter and release the claws (4
locations) at the lower part of the front cover
and remove the filter from the lower side.
2
Remove dust from the filter using a
vacuumcleaner.
If there is too much dust, use neutral detergent.
After using neutral detergent, wash with clean
water and dry in the shade.
3
Install the filter. (Set them with "FRONT" mark
facing front.)
G Be sure to hold the front grille with both hands
and close it, then push the three sections
indicated by the arrows.
! CAUTION
G Do not wash with hot water at more than 40°C. The filter may shrink.
G 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.
G Do not operate the air conditioner with the filter removed. Dust may enter the air conditioner and
cause trouble.
REMOVING METHOD
Suction grille
Front cover
INSTALLATION METHOD
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Air filter
Claws