Hitachi RAC-25YH4, Service Manual, Page: 23 / 121

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2. CLEANING OF FRONT PANEL
• Remove the front panel and wash with clean water.
Wash it with a soft sponge.
After using neutral detergent, wash thoroughly with
clean water.
• When front panel is not removed, wipe it with a soft
dry cloth. Wipe the remote controller thoroughly with
a soft dry cloth.
• Wipe the water thoroughly.
If water remains at indicators or signal receiver of
indoor unit, it causes trouble.
Method of removing the front panel.
Be sure to hold the front panel with both hands to
detach and attach it.
CAUTION
Removing the Front Panel Attaching the Front Panel
• When the front panel is fully opened with both
hands, push the right arm to the inside to
release it, and while closing the front panel
slightly, put it out forward. • Move the shafts of the left and right arms into
the
steps in the unit and securely insert them
into the holes.
Shaft
Step
Hole
BENZINE
THINNER
A
C
I
D
• Do not splash or direct water to the body of the unit when cleaning it as
this may cause short circuit.
• Never use hot water (above 40°C), benzine, gasoline, acid, thinner or a
brush, because they will damage the plastic surface and the coating.
3. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD
• Run the unit by setting the operation mode to
(FAN) and the fan speed to HI for about half a day
on a fine day, and dry the whole of the unit.
• Switch off the power plug or turn off the circuit breaker. Air
Blow
RAS_25_35_AW_001-024 2003.12.31, 10:45 AM 21