Maintenance - Hitachi air Home Ducted RAD-DJ50QHAE Operation Manual

MAINTENANCE

! WARNING
Before cleaning, stop unit operation with the remote controller and turn off the circuit breaker.
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CAUTION
!
Do not expose the unit to water as it may cause an electric shock.
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For cleaning inside the air conditioner, consult your sales agent.
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Avoid using detergent when cleaning the heat exchanger of the indoor unit. Unit failure may result.
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When cleaning the heat exchanger with a vacuum cleaner, make sure to wear gloves so as not to injure
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your hands on the heat exchanger fi ns.
1. PRE-FILTER
Clean the Pre-fi lter, as it removes dust inside the room. In case the Pre-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.
1
Pull the fi lter toward the center until it detached from the holders.
Then take it out from holders
(refer to diagram).
2
Remove dust from the fi lter using a vacuum cleaner. If there is
too much dust, wipe the fi lter with wet cloth or sponge. Allow
fi lter to dry in shade.
3
Install the fi lters.
Gently insert back the fi lter into the holders.
! CAUTION
Do not wash with hot water at more than 40°C. The fi lter may shrink.
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Do not operate the air conditioner with the fi lter removed. Dust may enter the air conditioner and
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cause trouble.
– 8 –
Indoor unit
Filter
Holder
Holder
Pull