Hitachi RAR-5J1 Anleitung Seite 21

FILTER CLEANING OPERATION
CAUTION
Do not put your fingers or a stick etc into the top part of the indoor unit during filter cleaning
operation.
It may result in injury or malfunction.

Automatic filter cleaning operation
Automatically cleans the micro mesh stainless filter when the basic air-conditioning operation such as
cooling has ended.
Automatic filter cleaning mode is set at the time of purchase.
The cleaning unit makes one cycle of back and forth movement to sweep the dust on the micro mesh
stainless filter and the dust catcher puts the collected dust into the dust box.
One cycle of filter cleaning operation will take approximately 5 minutes.
(FILTER CLEAN) indicator
Horizontal air deflectors remain closed when fan operation starts.
Conditions under which automatic filter cleaning is performed
When the air conditioner operates for more than 15 minutes and stop, automatic filter cleaning is performed
in one of the following conditions.
(1) Accumulated operating hours of the air conditioner have exceeded 8 hours.
(2) Air conditioner is not operated for more than one week.
(To clean the dust which is naturally deposited on the top filter.)
CAUTION: The accumulated operating hours will not be reset if the automatic filter cleaning operation is
stopped before its completion.
If the air conditioner is in operation continuously, the operation is stopped and automatic filter cleaning
operation is performed once 24 hours have elapsed.
After the completion of automatic filter cleaning, the operation will return to the operation mode which had
been set prior to the automatic filter cleaning.
Automatic filter cleaning is not performed if the air conditioner operation is stopped by sleep timer or off timer
function.
If you use sleep timer or off timer every time, manual filter cleaning should be executed approximately once
every 2~3 days.
However, if no manual filter cleaning is performed, automatic filter cleaning will be performed approximately
once a week after the air conditioner operation is stopped by sleep timer or off timer function to protect the
device.
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