– 17 –
MAINTENANCE
Cleaning and maintenance must be carried out when lter lamp lights. Before cleaning, stop
operation and switch off the power supply.
!
CAUTION
1
2
3
!
CAUTION
HITACHI
HITACHI
1. PRE-FILTER
Clean the pre- lter, as it removes dust inside the room. In case the pre- lter is full of dust, the air
ow will decrease and the cooling capacity will be reduced. Further, noise may occur. Be sure to
clean the lter following the procedure below.
Open the front panel and remove the pre- lter
●
Gently lift and remove the air purifying lter
from the pre- lter frame.
Vacuum dust from the pre-filter and air
purifying lter using vacuum cleaner. If there
is too much dust, rinse under running tap
water and gently brush it with soft bristle
brush. Allow lters to dry in shade.
●
Re-insert the air purifying lter to the lter
frame. Set the pre- lter with “FRONT” mark
facing front, and slot them into the original
state.
●
After attaching the pre- lters, push the front
panel at three arrow portions as shown in
gure and close it.
●
Do not wash with hot water at more than 40°C. The 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 lter may shrink.
●
Do not use detergent on the air purifying lter as some detergent may deteriorate the air purifying
lter electrostatic performance.
NOTE:
●
Air purifying lter 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 1 year depending on application requirements.
Summary of Contents for RAC-X13CBT
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