– 20 –
MAINTENANCE
Cleaning and maintenance must be carried out only by quali
fi
ed service personnel. Before cleaning,
stop operation and switch off the power supply.
1. PRE-FILTER
Please clean the Pre-
fi
lter once about every two weeks. By doing so, the power rates are saved. In
case the air
fi
lter is full of dust, the air
fl
ow will decrease and the cooling capacity will be reduced.
Further, noise may occur. Be sure to clean the Pre-
fi
lter following the procedure below.
!
CAUTION
1
Open the front panel and remove the Pre-
fi
lter
●
Gently lift and remove the air purifying
fi
lters
from the air purifying
fi
lter frame.
2
Vacuum dust from the Pre-
fi
lter and air purifying
fi
lter using vacuum cleaner. If there is too much
dust, wipe the
fi
lter with wet clotch or sponge.
Allow
fi
lters to dry in shade.
3
●
Re-insert the air purifying
fi
lter to the
fi
lter
frame. Set the Pre-
fi
lter with “FRONT” mark
facing front, and slot them into the original
state.
●
After attaching the Pre-
fi
lters, push the front
panel at three arrow portions as shown in
fi
gure and close it.
!
CAUTION
●
Do not operate the air conditioner without Pre-
fi
lter. Dust may enter the air conditioner and fault
may occur.
NOTE:
●
Air purifying
fi
lter should be cleaned every month or sooner if noticeable loading occurs. When
used overtime, it may loose its deodorizing function. For maximum performance, it is recommended
to replace it every 1 year depending on application requirements.
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