9.6.3. Cooling Outdoor Fan Control
• During cooling operation, outdoor fan speed changes according to outdoor pipe temperature.
• The fan speed is controlled by the timing of turning the outdoor fan ON and OFF within an interval.
• When outdoor pipe temperature increases, internal timing also increases.
• Outdoor fan ON time is a variable with the range of 200ms to 2000ms.
• After 2 minutes, the outdoor pipe temperature is detected and the outdoor unit fan speed is changed automatically.
9.6.4. Heating Outdoor Fan Control
• During heating operation, the fan speed is controlled by indoor heat exchanger temperature.
• In case of twin operation, the higher indoor heat exchanger temperature is used to control the fan speed. During heating
operation, the fan speed is controlled by indoor heat exchanger temperature.
9.7. Operation control
9.7.1. Thermostat Control
• Depending on differences between room temperature and setting temperature, compressor operation is decided and starts
operation.
• If temperature difference matches values shown below, thermostat switches off.
Cool Mode -1.5°C
Soft Dry Mode -2.5°C
Heat Mode 3.5°C
9.7.2. Odour Cut Control
• Odour cut operation removes the odour generated at indoor heat exchanger by using drain water come out from indoor heat
exchanger.
• Press “Odour” button at remote control to enable odour cut operation.
• Odour cut operation starts when compressor or thermostat is on.
Thermostat &
Compressor ON/OFF
Thermostat & Compressor ON Thermostat & Compressor OFF Thermostat & Compressor ON
Time 40 sec. 50 sec. - 20 sec. 120 sec. 20 sec. 40 sec. 50 sec. -
Cool Off Lo Normal
Operation
Lo Off Lo Off Lo Normal
Operation
Soft Dry Off Lo Lo Lo Off Lo Off Lo Lo
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