Hitachi RAC-18GH5, Instruction Manual

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ENGLISH
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. PRE-FILTER
Clean the pre-fi lter, as it removes dust inside the room. In case the pre-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.
! CAUTION
1
Open the front panel and remove the pre-fi lter
Gently lift and remove the air purifying fi lter
from the pre-fi lter frame.
2
Vacuum dust from the pre-fi lter and air purifying
fi lter using vacuum cleaner. If there is too much
dust, 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 purifying fi lter to the fi lter
frame. Set the pre-fi lter with “FRONT” mark
facing front, and slot them into the original
state.
After attaching the pre-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 purifying fi lter as some detergent may deteriorate the fi lter electrostatic
performance.
PROCEDURE
NOTE:
Air purifying fi lter 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.