Outdoor Fan Control - Fujitsu AO G09KATA Series Service Instruction

3-2. Outdoor fan control

¢ Outdoor fan motor
This outdoor unit has a DC fan motor. (Control method is different between AC and DC motors.)
¢ Fan speed
 Model: AOYG09KATA
Fan speed is defined by outdoor temperature and compressor frequency.
• Outside air temperature zone selection
Cooling
Fan step
Y zone
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: 930 rpm
3-2. Outdoor fan control
Outside air
temperature rises
21°C
12°C
2°C
-8°C
Heating
Y zone
— 930
950 930
950 930
— 930
950 930
950 930
950 930
950 770
800 690
800 550
680 510
610 480
580 480
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
— —
— —
— —
— —
950 540
950 540
950 540
950 540
800 240
800 200
680 200
610 200
580 200
- (01-13) -
19°C
10°C
0°C
-10°C
Unit: rpm
G zone
— —
— —
— —
— —
270 250
270 250
270 250
240 220
190 170
170 170
170 170
170 170
170 170
H zone
—
—
—
—
250
250
250
220
170
170
170
170
170
3. Fan control