Hitachi RAC-70YH7A, Service Manual

Page: 25 / 92

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ATTACHING THE AIR PURIFYING FILTERS
Open the front panel.
●
Pull up the front panel by holding it at both sides with
both hands.
Remove the pre- fi lter.
●
Push upward to release the claws and pull out the
pre-
fi lter.
Attaching the air purifying fi lters.
●
Attach the air purifying fi lters to the frame by gently
compress its both sides and release after insertion
into pre-
fi lter frame.
Attach the pre- fi lters.
●
Attach the pre- fi lters by ensuring that the surface
written “FRONT” is facing front.
●
After attaching the pre- fi lters, push the front panel at
three arrow portion as shown in fi gure and close it.
Cleaning and maintenance must be carried out only by quali fi ed service personnel. Before cleaning, stop
operation and switch off the power supply.
CAUTION
CAUTION
Do not bend the air purifying
fi lter as it may cause damage to
the structure.
NOTE
Claws
(4 places)
!
!
1
2
3
4
●
In case of removing the air purifying fi lters, please follow the above procedures.
●
The cooling capacity is slightly weakened and the cooling speed becomes slower when the air
purifying fi lters are used. So, set the fan speed to "HIGH" when using it in this condition.
●
Do not operate the air conditioner without pre- fi lter. Dust may enter the air conditioner and fault may
occur.