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8-2. Dry Operation (Dehumidification)
●
Dry operation uses the ability of the cooling cycle to remove moisture from the air, but by running at low level to
dehumidify without greatly reducing the room temperature. The air conditioner repeats the cycle of turning ON
and OFF automatically as shown in the chart below according to the room temperature.
● Intermittent ventilation occurs by switching the indoor fan speed between L ↔ LL.
● Dry operation does not occur when the room temperature is under 15°C, which is the monitor zone.
● When the compressor stops, the indoor fan stops as well.
8-3. Automatic Switching between Cooling and Heating
●
When AUTO mode is selected, the microprocessor calculates the difference between the set temperature and
the room temperature, and automatically switches to COOLING or HEATING mode to maintain the desired tem-
perature.
Room temp. ³ Set temp. ➞ COOL
Room temp. < Set temp. ➞ HEAT
This means that if the room temperature is higher than or equal to the set temperature, COOLING operation
begins. If the room temperature is lower than the set temperature, HEATING operation begins.
NOTE
Room temp.
Cooling operation
T + 4 ¡F
Set temp. T ¡F
T – 2 ¡F
Monitor zone
Both the indoor and outdoor units stop.
Room temp. 59 ¡F
✻Dry A zone
Compressor :
FMI (indoor fan) :
Continuous operation
L (low speed) / LL (very low speed) intermittent ventilation
only while the compressor is ON.
✻Dry B zone
Compressor :
FMI (indoor fan) :
Intermittent operation (ON for 3 minutes and OFF for 9 minutes)
L (low speed) / LL (very low speed) intermittent ventilation
only while the compressor is ON.
000-111 SM (18-68) 00.3.17 11:49 AM y[W 49