Compressor Control - Fujitsu ARYG72LHTA Service Instruction

1-8. COMPRESSOR CONTROL

1. OPERATION FREQUENCY RANGE
The operation frequency of the compressor is different based on the operation mode as
shown in Table 7.
(Table 7 : Compressor Operation Frequency Range)
ARTG72LHTA
ARTG90LHTA
2. OPERATION FREQUENCY CONTROL AT START UP
The compressor frequency soon after the start-up is controlled as shown in Fig.9.
(Fig.9 : Compressor Control at Start-up)
< Normal start-up >
Immediate start-up after power-ON (cooling)
(rps)
Upper
70
limit
speed 60
50
Immediate start-up after power-ON (Hearting Ta < 10°C)
(rps)
80
70
Upper
60
limit
speed 50
40
Immediate start-up after power-ON (Hearting Ta > 10°C)
(rps)
Upper
60
limit
speed 50
40
Cooling Heating
Min Max Min
15rps 81rps 15rps
15rps 90rps 15rps
60 120
Elapsed time
720 840
Elapsed time
60 120
Elapsed time
01-11
Max
81rps
90rps
180 (sec)
960 1080
=
180 (sec)
1200 (sec)
Ta : Outdoor temperature