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Operation tips
The following events may occur during normal operation.
1.
Protection of the air conditioner.
Compressor protection
The compressor can't restart for 3 minutes after it stops.
Anti-cold air
The unit is designed not to blow cold air on HEAT mode, when the indoor heat
exchanger is in one of the following three situations and the set temperature has
not been reached.
A) When heating has just starting.
B) Defrosting.
C) Low temperature heating.
The indoor or outdoor fan stop running when defrosting.
Defrosting
Frost may be generated on the outdoor unit during heat cycle when outdoor
temperature is low and humidity is high resulting in lower heating efficiency of
the air conditioner.
During this condition air conditioner will stop heating operation and start defrosting
automatically.
The time to defrost may vary from 4 to 10 minutes according to the outdoor
temperature and the amount of frost buildup on the outdoor unit.
2.
A white mist coming out from the indoor unit
A white mist may generate due to a large temperature difference between air inlet
and air outlet on COOL mode in an indoor environment that has a high relative
humidity.
A white mist may generate due to moisture generated from defrosting process
when the air conditioner restarts in HEAT mode operation after defrosting.
3.
Low noise of the air conditioner
You may hear a low hissing sound when the compressor is running or has just
stopped running.
This sound is the sound of the refrigerant flowing or coming to a stop.
You can also hear a low "squeak" sound when the compressor is running or has
just stopped running. This is caused by heat expansion and cold contraction of
the plastic parts in the unit when the temperature is changing.
A noise may be heard due to louver restoring to its original position when power
is first turned on.
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