Hitachi RAS-5182CH Service Seite 35

CLEANING OF FRONT COVER, ETC.
MAINTENANCE AT BEGINNING OF LONG OFF PERIOD
. The front cover easily becomes dirty.
Wipe it with a soft dry cloth.
- When it is excessively dirty, wipe with a soft cloth soaked in
lukewarm water or neutral detergent. Then wipe thoroughly
with a soft dry cloth.
. Never. use hot water (above 50°C), benzine, gasoline, acid, .
thinner or a brush, because they will damage the plastic surface
and the coating.
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Hot Water... .o.
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Benzine, Acid, etc.
1. Running the unit 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.
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS.
WHEN IT DOES NOT OPERATE
1.
2.
3.
Is the fuse all right? .
Is the voltage extremely high or low?
Is the power switch "ON"?
WHEN IT DOES NOT COOL WELL
4.
2. Does sunlight fall directly on the condensing unit?
3.
4. Are the doors or windows opened, or is there any source
5.
Is the air filter blocked with dust?
Is the air flow of the condensing unit obstructed?
of heat in the room?
Is the set temperature suitable?
Notes
@ In quiet operation or stopping the running, the
following phenomena may occassionally occur,
but they are not abnormal for the operation.
(1)Slight flowing noise of refrigerant in the
refrigerating cycle.
(2)Slight rubbing noise from the fan casing
which is cooled and the gradually
warmed as operation stops. .
@ The odor will possibly be emitted from the room
air conditioner because the various odor,
emitted by smoke foodstuffs, cosmetics and
so on, sticks to it. So please clean the air filter
and the evaporator at the beginning of the
season to reduce the odor.
When ambient temperature is high during
heating operation, FAN SPEED may change
to "HIGH" for protection purpose. In case the
air filter.is full of dust, FAN SPEED may also
change to "HIGH" for protection purpose. Check
the air filter peviodically.
suppression.
This appliance complies with E.E.C. directive No. 87/308 relative to radio perturbance and interference