Hitachi RAS-18SH3 Instruction Manual page 32

FILTER CLEANING OPERATION (continued)
2
Manual filter cleaning operation
•
Use the remote controller to run filter cleaning operation when the air conditioner operation is stop.
•
If the air conditioner is not in use for a long period, it is recommended to manually run filter cleaning
before it is initialized.
3
Maintenance
•
No daily maintenance is required. However, dust amount varies depending on the environment in which
the air conditioner is used. Check the dust amount approximately once every two years and throw the
(Maintenance, page 34)
dust, if any.
•
Greasy dirt can also be cleaned by the combined function of filter cleaning and micro mesh stainless filter. If the
dirt looks heavy, remove the micro mesh stainless filter, dust catcher and filter cleaning wiper to wash them with
water. (Maintenance, page 34~38)
HOW TO PROHIBIT THE FILTER CLEANING OPERATION
• With the remote controller, you can make a setting in which no filter cleaning operation is
performed.
• This setting should be made only when the air conditioner is stopped.
Filter cleaning operation (Normal)
(at time of purchase)
"Beep" sound
Press the (MANUAL CLEAN) button when the air-conditioner stops.
•
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.
• During manual filter cleaning operation, movable panel and horizontal air
deflectors remain closed when fan operation starts.
Press the
• Press
STOP
(STOP) button on the remote controller twice to stop the process
of filter cleaning operation.
Press the (MANUAL CLEAN) button while pressing the
button (remain for 5 seconds).
• A double short beep sounds and the filter cleaning is not performed (filter
cleaning operation is prohibited) is set.
• If the
(MANUAL CLEAN) button is pressed while pressing down
the (ON/OFF) button again (hold the buttons for 5 seconds), a
single short beep sounds and the setting returns to the filter cleaning
operation.
Filter cleaning operation
is prohibited
"Beep Beep" sound
– 32 –
(STOP) button twice.
• If the filter cleaning operation is
prohibited, the operation check (page
10),
operation and
operation are not performed.
(ON/OFF)
automatic filter cleaning
manual filter cleaning