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Service Manual 39
Operation
2. Fuzzy operation for Heating
• According to the setting temperature selected by Fuzzy rule, the operating frequency of compressor is deter-
mined like heating 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 automatical-
ly according to the Fuzzy rule.
• While in Fuzzy operation, the airflow speed of the indoor fan is automatically operated by Fuzzy logic.
at beginning
during opertion
Intake Air temp.
over 20°C
below -20°C
16~30°C
below 16°C
over 30°C
Setting temp.
intake air temp. +0.5°C
20°C
Fuzzy rule
16°C Fuzzy rule
30°C Fuzzy rule
Fan speed
Fuzzy airflow
3. Fuzzy operation for dehumidification
• At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the
intake air temperature at that time.
• According to the setting temperature selected by Fuzzy rule, the operating frequency of compressor is deter-
mined like dehumidefication mode operation.
at beginning
during operation
Intake Air temp.
over 26°C
18~26°C
below 18°C
18~30°C
below 18°C
over 30°C
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