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Cleaning the air filter
The air filter can prevent the dust or other particulate from going
inside. In case of blockage of the filter , the working efficiency of
the air conditioner may greatly decrease .
Therefore , the filter must be cleaned once two weeks during long
time usage.
If the air conditioner is installed in a dust place , clean the the air
filter frequent.
If the accumulated dust is too heavy to be cleaned , please
replace the filter with a new one(replaceable air filter is an
optional fitting).
If the unit you purchased is a rear ventilated one, take off the filter
in the directions indicated by arrows in the following digram.
The air-in side should face up when using vacuum cleaner.
The air-in side should face down when using water.
CAUTION
Do not dry out the air filter under direct sunshine or with fire.
Re-install the air filter.
Install and close the air-in grill in the reverse order of step 1
and 2 and connect the control box cables to the corresponding
terminators of the main body .
4. FOLLOWING SYMPTOMS ARE NOT
AIR CONDITIONER TROUBLES
Symptom 1: The system does not operate
The air conditioner does not start immediately after the ON/OFF
button on the romote controller is pressed.
If the operation lamp lights, the system is in normal condition.To
prevent overloading of the compressor motor, the air
conditioner starts 3 minutes after it is turned ON.
If the operation lamp and the "PRE-DEF indicator(cooling and
heating type) or fan only indicator(cooling only type)" light,
means you choose the heating model, When just starting, if the
compressor has not started, the indoor unit appears "anti cold
wind" protection because of its overlow outlet temperature.
Symptom 2: Change into the fan mode during
cooling mode
In order to prevent the indoor evaporator frosting, the system
will change into fan mode automatically, restore to the cooling
mode after soon.
When the room temperature drops to the set temperature, the
compressor goes off and the indoor unit changes to fan mode;
when the temperature rises up, the compressor starts again. It
is same in the heating mode.
Symptom 3: White mist comes out of a unit
Symptom 3.1: Indoor unit
When humidity is high during cooling operation If the interior of
an indoor unit is extremely contaminated, the temperature
distribution inside a room becomes uneven. It is necessary to
clean the interior of the indoor unit. Ask your dealer for details
on cleaning the unit. This operation requires a qualified service
erson
Symptom 3.2: Indoor unit, outdoor unit
When the system is changed over to heating operation after
defrost operation Moisture generated by defrost becomes
steam and is exhausted.
Symptom 4: Noise of air conditionerscooling
Symptom 4.1: Indoor unit
A continuous low "shah" sound is heard when the system is in
cooling operation or at a stop.
When the drain pump (optional accessories) is in operation,this
noise is heard.
A "pishi-pishi" squeaking sound is heard when the system stops
after heating operation.
Expansion and contraction of plastic parts caused by
temperature change make this noise.
Symptom 4.2: Indoor unit, outdoor unit
A continuous low hissing sound is heard when the system is in
operation.
This is the sound of refrigerant gas flowing through both indoor
and outdoor units.
A hissing sound which is heard at the start or immediately after
stopping operation or defrost operation.
This is the noise of refrigerant caused by flow stop or flow
change.
Symptom 4.3: Outdoor unit
When the tone of operating noise changes.
This noise is caused by the change of frequency.
Symptom 5: Dust comes out of the unit
When the unit is used for the first time in a long time.
This is because dust has gotten into the unit.
Symptom 6: The units can give off odours
The unit can absorb the smell of rooms, furniture, cigarettes,
etc., and then emit it again.
Symptom 7: The outdoor unit fan does not
spin.
During operation. The speed of the fan is controlled in order to
optimize product operation.
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