Fujitsu ADUH09LUAS1 Service Manual page 126

 Model: AOUH12LUAS1
Fan speed is defined by outdoor temperature and compressor frequency.
• Outside air temperature zone selection
Cooling
Fan step
Y zone
S-HIGH2
S-HIGH1 1,050
HIGH 1,050
10
9 1,050
8
7
6
5
4
3
2
1
NOTE: After defrost control on the heating mode, the fan speed is kept higher regardless of the
compressor frequency.
Fan speed after defrost control: 1,100 rpm
3-2. Outdoor fan control
Outside air
temperature rises
69.8°F
( 21°C)
53.6°F
( 12°C)
35.6°F
( 2°C)
17.6°F
( -8°C)
Heating
Y zone
— 1,100
1,100
1,100
— 1,100
1,100
810 870
810 760
560 760
560 680
440 530
440 500
440 420
440 420
Outside air
temperature drops
Y zone
Z zone
F zone
G zone
H zone
Dry Cooling or dry at low outdoor temp.
Z zone
— —
— —
— —
— —
1,050 850
810 850
810 770
560 630
560 440
440 320
440 320
440 320
440 320
- (04-14) -
66.2 °F
(19°C)
50.0 °F
(10°C)
32.0 °F
(0°C)
14.0°F
( -10°C)
F zone G zone
— —
— —
— —
— —
320 270
320 270
320 270
270 230
270 230
270 230
270 230
270 230
270 230
Unit: rpm
H zone
—
—
—
—
270
270
270
230
230
230
230
230
230
3. Fan control