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SM830092
11. PROCESSES AND FUNCTIONS
(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.
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.
2213_M_S
NOTE
Intermittent ventilation occurs by switching the indoor fan speed between L LL.
Dry operation does not occur when the room temperature is under 59°F, which is the monitor zone.
When the compressor stops, the indoor fan stops as well.
Fig. 12