Outdoor Fan Control - Fujitsu ASYG07KGTF Service Manual

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: AOYG07KGCB
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: 1,070 rpm
3-2. Outdoor fan control
Outside air
temperature rises
21°C
12°C
2°C
Cooling
Heating
Y zone
— 1,070
990 1,070
990 1,070
— 780
990 780
800 780
800 780
800 780
800 780
800 600
680 450
550 450
480 450
Outside air
temperature drops
Y zone
Z zone
F zone
G zone
Dry Cooling or dry at low outdoor temp.
Y zone Z zone
— —
— —
— —
— —
990 990
730 630
730 630
730 630
680 550
600 390
470 250
380 200
340 200
- (04-13) -
19°C
10°C
0°C
Unit: rpm
F zone G zone
—
—
—
—
990
300
300
300
270
240
220
220
200
—
—
—
—
990
280
280
280
250
220
200
200
200
3. Fan control