Fujitsu ASUH09LPAS Service Manual page 100

¢ 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*
107.6°F
(42°C)
MED+
or setting fan mode*
102.2°F
(39°C)
LOW
or setting fan mode*
98.6°F
(37°C)
Cool air prevention
86.0°F
(30°C)
*: Lower speed is selected.
Indoor heat exchanger
temperature rises
HIGH
or setting fan mode*
107.6°F
(42°C)
MED+
or setting fan mode*
102.2°F
(39°C)
LOW
or setting fan mode*
98.6°F
(37°C)
LOW
or setting fan mode*
86.0°F
(30°C)
LOW
or setting fan mode*
*: Lower speed is selected.
- (04-12) -
Indoor heat exchanger
temperature drops
S-LOW
Indoor heat exchanger
temperature drops
98.6°F
(37°C)
93.2°F
(34°C)
89.6°F
(32°C)
82.4°F
(28°C)
98.6°F
(37°C)
93.2°F
(34°C)
89.6°F
(32°C)
82.4°F
(28°C)
3. Fan control