Fujitsu AOYG07LMCE, Service Manual

Page: 33 / 52

8. COMPRESSOR CONTROL
01-09
1. OPEARTION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in the Table 12.
Cooling / Dry Heating
Minimum Maximum Minimum Maximum
07/09
12
22rps 79rps 22rps 99rps
96rps 18rps 18rps 120rps
07/09 70rps 82rps
92rps 96rps
12/14
56rps 74rps 87rps
(Table 12 : Compressor frequency range)
2. OPEARTION FREQUENCY CONTROL AT NORMAL START UP
The compressor frequency soon after the start-up is controlled as shown in the Fig.10
(Fig.10 : Compressor control at start-up)
Time Time Time Time Time
(Frequency)
Frequency Frequency Frequency Frequency Frequency
Frequency
Frequency
Frequency
Frequency
Frequency
Time Time Time Time Time
07/09 80sec 140sec 200sec 380sec
12
60sec 100sec 140sec
(Time)
97rps
108rps
Frequency
Time
6
Frequency
Time
6
119rps
200sec 410sec 350sec
3. LIMITATION OF COMPRESSOR FREQUENCY BY OUTDOOR TEMPERATURE
The minimum compressor frequency is limited by outdoor temperature as shown in the Table13.
Under Over Under Over Under Over
07/09
12
43rps 28rps 30rps
30rps
45rps 27rps
22rps
18rps
(Table13 : Limitation of Compressor Frequency)
10°C 14°C 40°C
Under Over Under Over Under Over Under Over
07/09
12/14
36rps 27rps
42rps 39rps
27rps 18rps
28rps
30rps
30rps 23rps
- 3°C 7°C 14°C 40°C
[ Cooling/ Dry ]
[ Heating ]
14
96rps 18rps 18rps 119rps
14
80sec 140sec 200sec 380sec 500sec 440sec
14
30rps
42rps 27rps 18rps
Model
Model
Model
Model
Model