Maintenance; Air Filter - Hitachi RAC-18YH4 Bedienungsanleitung

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

When the filter indicator lamp comes on, be sure to clean the filter. By doing so, the power rates 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
• After attaching the filters, push the front panel at
CAUTION
• Do not wash with hot water at more than 40°C. The filter may shrink.
• 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.
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