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9.6.3. Energy Saving
• During Operation, press "Economy" button at remote control to enable Energy Saving Operation.
• The air conditioner judges the stable condition, where the different between indoor suction temperature and setting temperature
is 1°C for 30 minutes and moderately shifts the set temperature in 0.5°C steps (Maximum 2°C) to control energy saving opera-
tion.
• If temperature different is out of range, energy save operation will not start.
• Energy Save Operation is canceled by pressing the "Economy" button again.
9.6.4. Dew Form Prevention Control
• During Cooling and Soft Dry operation, if outdoor temperature is less than 30ºC, and indoor fan speed is low or auto setting,
indoor heat exchanger temperature become lower, dew form prevention control start to prevention dew form at indoor discharge
grille.
• When indoor pipe temperature decrease, the cooling capacity will be reduced and the louver angle will be fixed at certain angle.
9.6.5. 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 6ºC 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.
9.6.6. Time Delay Safe Control
• The compressor will not start for three minutes after stop of operation.
9.6.7. Outdoor Fan Remaining Heat Removal Control
• When compressor stop, outdoor fan operates at High speed for 1 minute to remove the remaining heat.
9.6.8. Crank Case Heater Control
• Crank case heater ON when the compressor is shutdown and discharge temperature is 20°C to prevents the refrigerant solving
into compressor oil inside the compressor shell at cold condition.
Energy save control time chart
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