Fujitsu ABYG18KRTA Service Manual page 162

 Model: AOYG24KBTB
Fan speed is defined by outdoor temperature and compressor frequency.
• Outside air temperature zone selection
Cooling
Fan step
Y zone
S-HIGH2
S-HIGH1 1,000
HIGH 1,000
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
-8°C
Heating
Y zone
— 1,100
1,100
1,100
— 1,100
940 940
940 940
770 700
630 550
470 470
470 440
320 440
320 440
320 440
Outside air
temperature drops
Y zone
Z zone
F zone
G zone
H zone
Dry Cooling or dry at low outdoor temp.
Z zone F zone
— —
— —
— —
— —
940 770
940 630
770 470
630 270
470 270
470 270
320 270
320 270
320 270
- (04-20) -
19°C
10°C
0°C
-10°C
Unit: rpm
G zone
— —
— —
— —
— —
320 320
320 320
270 270
220 220
220 220
220 220
220 220
220 220
220 220
H zone
—
—
—
—
270
270
190
190
190
190
190
190
190
3. Fan control