Maintenance - Hitachi RAS-E18CY(J) Instruction Manual

MAINTENANCE

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