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9.1 Proper symbols and their meaning
• T1: Indoor ambient temperature
• T2: Indoor evaporator temperature
• T3: Outdoor condenser temperature
• Ts: Setting temperature through the remote controller
9.2 Protection Function
9.2.1 Three minutes delay at restart for compressor.
9.2.2 Anti-freezing protection at cooling or dry mode.
• Anti-freezing control according to T2 (Indoor evaporator temperature).
If the evaporator pipe temperature had been lower than 1°C for 14 minutes,
the evaporator anti-freezing protection will be activated. The compressor will
keep o in the following 5 minutes.
5 minutes later, if the evaporator pipe temperature is still lower than 1°C,
the compressor will stay o. If the temperature gets higher than 1°C, the
compressor will be started and the function is cancelled.
• Anti-freezing control according to TIME.
If the lasting time of compressor which is continuously running has got to 105
minutes with fan motor operating under Med or Low speed and the indoor
ambient temperature lower than 26°C, the anti-freezing function will be
activated. The compressor will keep o for 3 minutes.
• Note:
If the compressor stops operation, the time will be cleared.
If the fan motor turns to High speed or the indoor ambient temperature gets
over 26°C, the time will keep inactive, not be cleared.
9.2.3 Anti-frosting protection and defect at cooling or dry mode.
3 minutes later when compressor is running, if T2 has been less than -15°C for
subsequent 3 minutes, the anti-frosting protection is activated and compressor will
stop in the following 6 minutes.
After that, if the condition for de-frosting function is met again in the following 10
minutes while the compressor is operating, the unit will display ‘Ed’ to indicate that
the unit is in the de-frost defect. The compressor and fan motor will be OFF.
Note: The Defect display can be cancelled only by pressing the ON/OFF button on
the unit or the remote controller.
9. Protection function
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