Outdoor Fan Control; Compressor Control - Fujitsu ASU18RLF Service Instructions Manual

5. OUTDOOR FAN CONTROL

1. Outdoor Fan Motor
The Table 5 shows the fan speed of the outdoor unit.
( Table 8 : Fan speed of the outdoor unit )
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6. COMPRESSOR CONTROL

7. COMPRESSOR CONTROL
1. OPERATION FREQUENCY RANGE 1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in the Table 9 .
( Table 9 : Compressor operation frequency range )
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2. 2. OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in the Fig. 12 .
( Fig. 12 : Compressor control at Start-up )
H rps
G rps
E,F rps
C,D rps
B rps
A rps
G H
[ Frequency ]
A rps
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[ Time ]
G ~ H
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60sec
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Cooling
890/ 830/ 710/ 640/ 580/ 520/
460/ 390/ 340/ 290 rpm
Cooling
Min Max
20 80
20 100
I J K L
B rps C rps
30 36 47
H ~ I I ~ J
60sec 480sec
01-15
Heating
910/ 830/ 710/ 640/ 580/ 520/
460/ 390/ 340/ 290 rpm
Heating
Min Max
20 120
20 110
M N
D rps E rps F rps
47 60 60
J ~ K K ~ L L ~ M
120sec 300sec 180sec
O
G rps H rps
80 100
M ~ N N ~ O
120sec 120sec