Fujitsu AIRSTAGE ASEH09KHCBN Service Manual page 149

 Model: AOEH12KHCBN
Fan speed is defined by outdoor temperature and rotation number of compressor.
• Outside air temperature zone selection
Cooling
Fan step
Y zone
S-HIGH2
S-HIGH1 1,180
HIGH 1,180
10
9 1,180
8 1,080
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: 1,200 rpm
3-2. Outdoor fan control
Outside air
temperature rises
21°C
12°C
2°C
-8°C
Heating
Y zone
— 1,200
1,200
1,200
— 1,170
1,170
930
900 840
900 740
780 740
570 710
550 410
430 380
400 380
Outside air
temperature drops
Y zone
Z zone
F zone
G zone
H zone
Dry Cooling or dry at low outdoor temp.
Z zone
— —
— —
— —
— —
1,180 550
1,080 550
900 500
900 400
780 280
570 280
550 280
430 280
400 280
- (04-15) -
19°C
10°C
0°C
-10°C
F zone G zone
— —
— —
— —
— —
280 220
280 220
280 220
240 200
210 200
210 200
210 200
210 200
210 200
Unit: rpm
H zone
—
—
—
—
220
220
220
200
200
200
200
200
200
3. Fan control