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9.5. Operation Control
9.5.1. Thermostat Control
• Depending on differences between room temperature and setting temperature, compressor operation is decided and starts oper-
ation.
• If temperature difference matches values shown below, thermostat switches off.
9.5.2. Indoor Fan Control
• Manual Fan Speed
Operation starts at High, Medium or Low speed set by remote control.
• Auto Fan Speed
When operation start, or shifting to thermostat ON condition from thermostat OFF condition, indoor fan operates as below.
9.5.3. 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.
9.5.4. Freeze Prevention Control
• After compressor starts operation for 4 minutes, the outdoor unit will stop its operation if indoor pipe temperature falls below 0ºC
for 6 minutes.
• After 3 minutes stops, compressor restarts operation if indoor pipe temperature is 3ºC or more.
• This phenomenon is to protect the indoor heat exchanger from freezing and to prevent higher volume of refrigerant in liquid from
returning to the compressor.
Cooling -1.5°C
Soft Dry -2.5°C
Thermostat & Compres-
sor 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. -
Cooling Auto Off Lo Hi Lo Off Lo Off Lo Me
Soft Dry Auto Off Lo Lo Lo Off Lo Off Lo Lo
Thermostat & Compres-
sor 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. -
Cooling 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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