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(3) If the air conditioner is started again within 1 hour after the automatic operation stops, or it is
converted to automatic operation in the heating, cooling or drying mode, it will operate in the
previous mode.
(4) The temperature can be set in the following range. The relationship between the signals of
the wireless remote controller and the set temperature is as follows:
(5) Operation of remote controller:
① In the AUTO mode, press the or button to regulate 6 levels of temperature;
② Each time the or button is pressed, the temperature will be switched in the
following order: -6 ~ -5 ~ -4 ~ -3 ~ -2 ~ -1 ~ ±0 ~ +1 ~ +2 ~ +3 ~ +4 ~ +5 ~ +6
③ When -6 or +6 is displayed, press the or button and the displaying will not
change;
④ The set temperature of ±0 in AUTO mode is: Cooling 24℃, Heating 26 ℃, Drying
24℃.
4.18 Outline of drying operation:
(1) Judgment of operation state:
① After the indoor and outdoor fans run at the 2nd speed and 3rd speed respectively for 20
minutes. the system checks the room temperature (Tai) and outdoor temperature (Th0-A)
to determine the operation state. (Note: Here, the vertical flap stops at the level position
and the horizontal flap stops at the central position.)
② The system checks the temperature every hour after the operation begins. When the
operating mode is judged to be different from the previous one, the operating mode will
be changed.
③ Judgment of operating mode:
(2) Notes:
① After the operating mode is judged, the system decides the running range according to
the room temperature and setting correction temperature every 5 minutes;
② Slightly cool heating & drying includes four running ranges, all of which are cooling
operations;
③ Slightly warm heating & drying includes four running ranges, in which three are cooling
operations and one is heating operation.
4.19 Outline of defrosting operation:
(1) Beginning conditions:
Case 1 (The defrosting running begins when all of the following conditions are met):
① After the heating begins and the defrosting ends, the accumulated running time of the
compressor exceeds 45 minutes;
② The outdoor heat exchanger sensor (Th0-R) meets one of the following conditions:
A) Accumulated running time of compressor < 150 minutes, Th0-R ≤ -5℃;
B) Accumulated running time of compressor ≥ 150 minutes, Th0-R ≤ -3.5℃;
③ The outdoor heat exchanger sensor (Th0-R) and the outdoor air temp. sensor (Th0-A)
meet one of the following conditions:
A) When outdoor air temp. sensor Th0-A ≥ 0℃:
Accumulated running time of compressor < 150 minutes, (Th0-A) - (Th0-R) ≥ 7.0;
B) When outdoor air temp. sensor Th0-A ≥ 0℃:
Accumulated running time of compressor ≥ 150 minutes, (Th0-A) - (Th0-R) ≥ 4.0;
C) When outdoor air temp. sensor -15℃ ≤Th0-A < 0℃:
Accumulated running time of compressor < 150 minutes, (Th0-A) - (Th0-R) ≥ 4/15 *
(Th0-A) + 7;
D) When outdoor air temp. sensor -15℃ ≤ Th0-A < 0℃:
Accumulated running time of compressor ≥ 150 minutes, (Th0-A) - (Th0-R) ≥ 4/15 *
(Th0-A) + 6;
E) When outdoor air temp. sensor Th0-A < -15℃: (Th0-A) - (Th0-R) ≥ -5.0;
④ The compressor runs for over 7 minutes continuously.
Case 2: Low load running (The defrosting running begins when all of the following conditions
are met):
① After the heating begins and the defrosting ends, the accumulated running time of the
compressor is 45 minutes with air flow controlled;
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