Maintenance; Air Filter Maintenance - Hitachi RAK-18NH6AS Manual

MAINTENANCE

!
Cleaning and maintenance must be carried out only by qualifi ed service personal. Before
cleaning, stop operation and switch off the power supply.
1. AIR FILTER
Clean the air fi lter, as it removes dust inside the room. In case the air fi lter is full of dust, the air fl ow will
decrease and the cooling capacity will be reduced. Further, noise may occur. Be sure to clean the fi lter
following the procedure below.
PROCEDURE
1
Open the front panel and remove the fi lter
Gently lift and remove the air cleansing fi lter
●
from the air fi lter frame.
2
Vacuum dust from the air fi lter and air cleansing
fi lter using vacuum cleaner. If there is too much
dust, air fi lter only rinse under running tap water
and gently brush it with soft bristle brush. Allow
fi lters to dry in shade.
3
Re-insert the air cleansing fi lter to the fi lter
●
frame. Set the fi lter with "FRONT" mark facing
front, and slot them into the original state.
After attaching the fi lters, push the front panel
●
at three arrow portions as shown in fi gure and
close it.
!
CAUTION
Do not wash with hot water at more than 40°C. The fi lter may shrink.
●
When washing it, shake off moisture completely and dry it in the shade; do not expose it directly to the sun.
●
The fi lter may shrink.
Do not use detergent on the air cleansing fi lter as some detergent may deteriorate the fi lter electrostatic
●
performance.
CAUTION
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