Hitachi RAK-DJ18PHAE Manuel page 13

Maintenance
CAUTION
Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning,
stop operation and switch off the power supply.
1. Air Filter
Please clean the filter once about every two weeks. By doing so, energy costs are saved. In
case the air filter is full of dust, the air flow will decrease and the cooling capacity will be reduced.
Further, noise may occur. Be sure to clean the filter following the procedure below.
PROCEDURE
1
Open the front panel carefully and remove the filter.
2
Vacuum dust from the air filter using vacuum cleaner.
If there is too much dust, wash the filter with a detergent
and rinse it thoroughly. After that, dry it in the shade.
3
Set the filter with "FRONT" mark facing front, and
slot them into the original state with putting the filter
on the guide. and insert the hook to the hole.
After attaching the filters, push the front panel at
three arrow portions as shown in figure and close
it.
CAUTION
Do not wash with hot water at more than 40°C. The filter may shrink.
Do not wash with pressing hard on the filter, bending too much or using a brush. The filter may
break.
When washing it, shake off moisture completely and dry it in the shade; do not expose it directly
to the sun. The filter may shrink.
Don't operate the unit without filter. Fault may occur if you continue.
guide
insert the hook to the hole
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guide