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AFTER SALE SERVICE AND WARRANTY
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS
When it does not operate
Is the fuse all right?
Is the voltage extremely high or low?
Is the circuit breaker “ON”?
Was the air fi lter cleaned?
Does sunlight fall directly on the outdoor unit?
Is the air fl ow of the outdoor unit obstructed?
Are the doors or windows opened, or is there any source
of heat in the room?
Is the set temperature suitable?
CONDITION CHECK THE FOLLOWING POINTS
Notes
In quiet operation or stopping the operation, the following phenomena
may occassionally occur, but they are not abnormal for the operation.
(1) Slight fl owing noise of refrigerant in the refrigerating cycle.
(2) Slight rubbing noise from the fan casing which is cooled and then
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 the air fi lter and the evaporator regularly must be cleaned
to reduce the odor.
Please contact your sales agent immediately if the air conditioner still fails to operate normally after the above
inspections. Inform your agent of the model of your unit, production number, date of installation. Please also
inform him regarding the fault.
Power supply shall be connected at the rated voltage, otherwise the unit will be broken or could not reach
the specifi ed capacity.
When it does not cool well
When it does not hot well
Please note:
On switching on the equipment, particularly when the room light is dimmed, a slight brightness fl uctuation
may occur. This is of no consequence.
The conditions of the local Power Supply Companies are to be observed.
Minimum Maximum Minimum Maximum
Indoor Dry bulb °C 21 32 20 27
Wet bulb °C 15 23 12 19
Outdoor Dry bulb °C 21 43 2 21
Wet bulb °C 15 26 1 15
Note
Avoid to use the room air conditioner for cooling operation when the outside temperature is below
21°C (70°F).
The recommended maximum and minimum operating temperatures of the hot and cold sides
should be as below:
Cooling Heating
24


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