Fujitsu ASUG12LZBS Service Manual page 133

 Model: AOUG15LZAS1
Fan speed is defined by outdoor temperature and compressor frequency.
• Outside air temperature zone selection
Fan step
S-HIGH2
S-HIGH1
HIGH
10
9
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
21°C
12°C
2°C
Cooling
Heating
Y zone
— 1,100
1,050 1,100
1,050 1,100
— 1,100
1,050 1,100
840 920
750 920
690 710
560 620
440 560
440 500
440 440
440 440
Outside air
temperature drops
Y zone
Z zone
F zone
G zone
Dry Cooling or dry at low outdoor temp.
Y zone Z zone
— —
— —
— —
— —
1,050 850
840 850
750 770
690 630
560 440
440 320
440 320
440 320
440 320
- (04-15) -
19°C
10°C
0°C
Unit: rpm
F zone G zone
—
—
—
—
320
320
320
270
270
270
270
270
270
—
—
—
—
270
270
270
230
230
230
230
230
230
3. Fan control