Compressor Control - Fujitsu AS G07KGTA Series Service Instruction

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 11.
(Table 11 : Compressor frequency range)
AO*G07KGCA
AO*G09KGCA
AO*G12KGCA
AO*G14KGCA
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
(Frequency)
Frequency
Frequency
45rps
(Time)
Time
60sec
3. LIMITATION OF COMPRESSOR FREQUENCY BY OUTDOOR TEMPERATURE
The minimum compressor frequency is limited by outdoor temperature as shown in the Table12.
(Table12 : Limitation of Compressor Frequency)
[ Cooling/ Dry ]
AO*G07/ 09/ 12KGCA
AO*G14KGCA
[ Heating ]
AO*G07/ 09KGCA
AO*G12/ 14KGCA
Cooling / Dry
Minimum Maximum
62rps
67rps
12rps
83rps
83rps
Time Time
Frequency Frequency
56rps
68rps 77rps
Time Time Time
140sec 170sec 220sec
38°C
Over Under
20rps ---rps
20rps ---rps
19°C
Over Under
1rps 1rps
1rps 1rps
Heating
Minimum Maximum
12rps 110rps
Time Time Time
Frequency Frequency
84rps 93rps
Time Time
280sec 360sec
19°C 10°C
Over Under Over
---rps
20rps
5°C 0°C
Over Under Over
15rps
10rps
01-09
Time Time
6 7
Frequency
103rps
Time 7
6
430sec
0°C
Under Over Under
28rps 36rps
28rps 36rps
-15°C
Under Over Under
36rps 37rps
17rps 25 rps