Compressor Control - Fujitsu ASU7RLF1 Service Instructions Manual

7. 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 The operation frequency of the compressor is different based on the operation mode as
shown in the Table 8 . shown in the Table 8 .
( Table 8 : Compressor operation frequency range ) ( Table 8 : Compressor operation frequency range )
AOU18RLXFZH
AOU24RLXFZH
2. OPERATION FREQUENCY CONTROL AT START UP 2. OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in the Fig. 11 .
( Fig. 11 : Compressor control at Start-up )
F rps
E rps
D rps
C rps
B rps
A rps
G H
[ Frequency ]
AOU18RLXFZH
AOU24RLXFZH
[ Time ]
AOU18RLXFZH
AOU24RLXFZH
Cooling Cooling
M Min in Max Max
10 86
16 57
I J K
A rps B rps C rps
35 35 53
30 30 47
G ~ H H ~ I I ~
60sec 120sec 600sec
Heating Heating
Min Min Max Max
15 130
16 93
L M N
D rps E rps
66 82
60 80
J J ~ K K ~ L
180sec 120sec
01-18
O
F rps
106
80
L ~ M M ~ N N
60sec 60sec 60sec
~ O