Hitachi RAC-18WSC Instruction Manual page 18

FILTER CLEANING OPERATION (MANUAL OPERATION)
HOW TO PROHIBIT THE FILTER CLEANING OPERATION
• With the remote controller, you can deactivate the filter cleaning operation.
• This setting should be made only when the air conditioner is stopped.
Wind Mode
Filter cleaning operation (Default)
(at the time of purchase)
"Beep" sound
NOTE
About the noise during filter cleaning
• A whirring motor noise is generated due to driving of the cleaning unit.
• A clapping noise is generated when the dust catcher collects the dust swept by the cleaning unit.
• A clapping noise is generated when the dust catcher is turned over by the cleaning unit.
• A sweeping sound is generated when the cleaning unit sweeps the dust.
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 in the Dust Box approximately once every
two years and throw the dust, if any.
• Greasy dirt can also be cleaned by the combined function of filter cleaning and the micro mesh
stainless filter. If the dirt looks heavy,remove the micro mesh stainless filter, the dust catcher and
the filter cleaning wiper to wash them with water.
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.
Press the (AUTO SWING VERTICAL) and
1
simultaneously for 5 seconds.
A double short beep sounds is emitted and the filter cleaning is
deactivated.
To reactivate the filter cleaning, press the
VERTICAL) and
a single short beep sound is emitted and the setting returns the
filter cleaning operation.
- 13 -
(OK) buttons simultaneously for 5 seconds,
Filter cleaning operation
is prohibited
"Beep Beep" sound
(OK) buttons
(AUTO SWING