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Cooling in operation according to Remote Control setting.
Time Delay Safety Control (3 minutes)
7 minutes Time Save Control
Anti-Freezing Control
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• If the temperature of the indoor heat exchanger falls
continuously below 2°C for 4 minutes or more, the
compressor turns off to protect the indoor heat exchanger
from freezing. The fan speed setting remains the same.
compressor turns off to protect the indoor heat exchanger
from freezing. The fan speed setting remains the same.
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•
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• Compressor will restart again when the indoor heat
exchanger temperature rises to 10°C (Recovery).
3 minutes waiting of Time Delay Safety Control is valid for
Cooling Operation.
Cooling Operation.
Compressor Reverse Rotation Protection Control
Anti-Dew Formation Control
8.2. Cooling Mode Operation
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• When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON.
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• When the setting temperature is reached during cooling operation, the compressor stops and it will not start for 3 minutes.
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• The compressor will start automatically if it has stopped for 7 minutes even if the room temperature is between the compressor
ON temperature and OFF temperature.
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• If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and
indoor heat exchanger is 2.5°C or less for 2 minutes, compressor will stop and restart automatically.
(Time Delay Safety Control is valid)
(Time Delay Safety Control is valid)
! T = Intake air temperature - Indoor heat exchanger temperature
This is to protect reverse rotation of the compressor when there is a instantaneous power failure.
This is to protect reverse rotation of the compressor when there is a instantaneous power failure.
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• Purpose is to prevent dew formation on indoor unit air discharge area.
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• When room temperature is constant (±1°C) the following conditions occur for 30 minutes continuously, anti-dew formation will
activate:
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− Indoor intake air temperature is more than 24°C and less than 30°C.
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− Remote Control setting temperature is less than 25°C.
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− Compressor is on.
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− Cooling operation mode.
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− Indoor Fan motor operate at Low fan speed or QLo.
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• This control is cancelled immediately when above condition is changed.
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• Anti-Dew formation is control by:
1. Lo fan speed
Lo fan is changed to Lo+ fan
16
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