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7.1.3.9 Power supply of outdoor unit
The power supply for outdoor unit is turned on in AUTO, COOL, HEAT and DRY mode under turn-on state.
The power supply for outdoor unit will delay 3 minutes to turn off under turn-off state or in the FAN mode
under turn-on state.
7.1.3.10 Buzzer
The buzzer will deliver a sound when the remote controller is powered on or an effective remote control
signal is received or when there is button input signal.
7.1.3.11Control of electric heater belt
The two electric heater belts will stop operation when there is failure in environmental temperature sensor of
outdoor unit, otherwise, the control will be carried out in accordance with the following logic:
① If the outdoor environmental temperature is very low and the compressor is not turned on, the electric
heater belt of compressor will operate: otherwise, if the compressor is turned on or the compressor is
not turned on but the outdoor environmental temperature is very high, the electric heater belt will not
operate. If the compressor it not turned on and is in between lower and higher, the electric heater belt of
compressor will keep on the original state.
② If the outdoor environmental temperature is low but higher than mentioned in the above paragraph, the
electric heater belt of compressor will operate: otherwise, if the electric heater belt of compressor does
not operate when the outdoor environmental temperature is very high. If it is between the two
temperatures, the electric heater belt of compressor will keep on the original state.
7.1.3.12 Indoor fan control
The indoor fan may be set up with remote controller to HIGH, MED and LOW, in this case, the fan will run
respectively at high, medium and low speed.
The auto wind speed of indoor fan:
① For cool/heat mode: if the frequency is low, the indoor fan runs at low wind speed;if the frequency is high,
the indoor fan runs at high wind speed.
② For air delivery mode: the auto wind speed is forcedly set up to low wind speed.
7.1.3.13 Power-off memory function
Mode, swing, temperature setting, wind speed setting and timing (in case the power is off when the timer is
due and the power is turned on again, the timer will re-start counting. If the power is turned on again, the
system will operate at the mode after the timer is due).
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