Hitachi RAS-13EX9G Instruction Manual page 31

MAINTENANCE (PRE-FILTER, DUCT FILTER, FRONT PANEL, TOP GRILL)
The whole top grill can be washed to keep it clean.
• Remove the top grill and wash with clean water. Wash it with a soft sponge. When
using neutral detergent, wash thoroughly with clean water.
• Wipe off the water thoroughly.
The front panel and horizontal deflector may be cleaned with a dry cloth.
• When cleaning the front panel and horizontal deflector, wipe them with a soft dry cloth
together with the main body and remote control, etc.
When using chemical cloth, follow the precautions and instructions provided with it.
• Do not wash the front panel in whole.
CAUTION
Before maintenance, stop the operation by using the remote control and unplug the power plug
(or turn off the circuit breaker).
• It is recommended to carry out cleaning of the pre-filter when the FILTER lamp on indoor unit
on. By doing this, the power rates are saved.
• The Pre-Filter lamp on indoor unit turns on when the accumulated operation time measured by
the indoor unit reaches 100 hours.
1
Open the Front Panel and
Remove the Pre-Filter
• Confirm the dirt on the pre-filter.
Please proceed to 3 if the filter is not
dirty.
2 Pull Out
Pre-Filter
(How to open and close the front panel,
refer to page 5.)
3
Attach the Pre-Filter and Close
the Front Panel
• Please attach the pre-filter with
the "FRONT" indication. (The
configuration of the left and right
pre-filters are different.)
Pre-Filter
"FRONT"
indication
CAUTION
• Do not operate the unit without the pre-filter.
• Dust may get into the gap on the heat exchanger or device and its smell may stick to the heat
exchanger or failure could be caused.
RAS13EX9G_EN(25-40).p65
1 Push and Lift
1
2 "FRONT"
indication
Insert
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31
2
Vacuum Dust Using
Vacuum Cleaner
• If there is too much dust, wash the filter
with detergent and rinse it thoroughly.
After that, dry it in the shade.
• Nano-Titanium Disinfecting/Deodorizing
Air Purifying Filter can be used after
removed dust with a vacuum cleaner
and dried it in the sun for 1 day.
However, it is recommended to replace
the Nano-Titanium Disinfecting/
Deodorizing Air Purifying Filter
approximately every 2 years.
(When drying the filter in the sun, it
could be deformed if it is placed in a
place subjected to high temperature
such as on the car bonnet.)
4
Switch On the Power Plug (or
Turn On the Circuit Breaker)
5
Point the Remote Control
to the Indoor Unit and
Press the FILTER button
• The device beeps when
signal is received.
• Please make sure that the
device beeps.
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3/8/07, 2:46 PM