Maintenance - Hitachi RAC-50WPA Manual

MAINTENANCE

CAUTION
!
Cleaning and maintenance must be carried out when lter lamp lights. Before cleaning, stop operation and
switch off the power supply.
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
Pre- lter following the procedure below.
PROCEDURE
1
Open the front panel and remove the Pre- lter
Gently lift and remove the air purifying lters
●
from the air purifying lter frame.
2
Vacuum dust from the Pre- lter 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.
3
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.
CAUTION
!
Do not wash with hot water at more than 40°C. The pre- 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 pre- lter may shrink.
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