Fujitsu ASUG09LZAS Service Manual page 123

¢ Cool air prevention control (heating mode)
The maximum value of the indoor fan speed is set as shown below, based on the detected tempera-
ture by the indoor heat exchanger sensor on heating mode.
• Normal operation
7 minutes later:
3-1. Indoor fan control
Indoor heat exchanger
temperature rises
HIGH
or setting fan mode*
42°C
MED+
or setting fan mode*
39°C
LOW
or setting fan mode*
37°C
Cool air prevention
30°C
S-LOW
*: Lower speed is selected.
Indoor heat exchanger
temperature rises
HIGH
or setting fan mode*
42°C
MED+
or setting fan mode*
39°C
LOW
or setting fan mode*
37°C
LOW
or setting fan mode*
30°C
LOW
or setting fan mode*
*: Lower speed is selected.
- (04-11) -
Indoor heat exchanger
temperature drops
37°C
34°C
32°C
28°C
Indoor heat exchanger
temperature drops
37°C
34°C
32°C
28°C
3. Fan control