Compressor Control; Opeartion Frequency Range; Opeartion Frequency Control At Start Up - Fujitsu ASTG18KMTC 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 table10.
(Table10 : Compressor Operation Frequency Range)
AOTG18KMTC
AOTG22KMTC
AOTG24KMTC

2. OPEARTION FREQUENCY CONTROL AT START UP

The compressor frequency soon after the start-up is controlled as shown in the Fig.9.
(Fig.9 : Compressor Control at Start-up)
Frequency
Frequency
Frequency
Frequency
Frequency
Frequency
(Frequency)
AOTG18/ 22/ 24KMTC
(Time)
AOTG18/ 22/ 24KMTC
Cooling
Min Max
10rps 74rps
10rps 94rps
10rps 111rps
Time Time Time
Frequency Frequency Frequency
35rps 52rps
Time Time
60sec 140sec 170sec
Heating
Min Max
10rps 130rps
10rps 130rps
10rps 130rps
Time Time
Frequency Frequency
64rps 71rps 89rps
Time Time Time
200sec 350sec
01-09
Dry
Min Max
18rps 24rps
18rps 24rps
18rps 24rps
Time
6
Frequency
97rps
Time
6
410sec