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7. Fuzzy mode operation
• When any of operation mode is not selected like the moment of the power on or when the unit turned off, the
operation mode is selected.
• When determining the operation mode, the compressor, outdoor fan are off and only the indoor fan is operat-
ed for 15~20 seconds, then an operation mode is selected according to.
Outdoor temp.
over 24°C
21~24°C
18~21°C
below 18°C
7.1 Fuzzy operation for cooling
• According to the setting temperature selected by Fuzzy rule, the operating frequency of compressor is deter-
mined like cooling mode operation.
• At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the
intake air temperature at that time.
• When the Fuzzy key(=setting temp. key) is input after the initial setting temperature is selected, the Fuzzy
key value and intake air temperature at that time are compared to select the setting temperature automatically
according to the fuzzy rule.
• While in Fuzzy operation, the air flow speed of the indoor fan is automatically operated by Fuzzy logic.
at beginning
during opertion
Basis of determining operating mode
intake air temp. ≥ 25°C ...Dehumidification
Intake air temp.
over 26°C
18~26°C
below 18°C
18~30°C
below 18°C
over 30°C
-17-
Operating Mode
Cooling
Healthy Dehumidification
intake air temp. < 25°C ... Heating
Heating
Setting temp.
25°C
intake air temp. -0.5°C
18°C
Fuzzy rule
18°C Fuzzy rule
30°C Fuzzy rule
Fan speed
Fuzzy airflow
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