Compressor Control - Fujitsu ASYG07LMCE Service Manual

8. COMPRESSOR CONTROL

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