Fujitsu ARYG72LHTA - Compressor Control

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.
Cooling Heating
Min
Max Min Max
(Table 7 : Compressor Operation Frequency Range)
01-11
ARTG72LHTA
15rps15rps 81rps
81rps
ARTG90LHTA
15rps15rps 90rps
90rps
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)
50
60
60
70
120 180
(rps)
Upper
limit
speed
(sec)
Elapsed time
40
720
50
60
840 960
70
80
(rps)
Upper
limit
speed
(sec)12001080
Elapsed time
40
60
50
60
120 180
(rps)
Upper
limit
speed
(sec)
Elapsed time
Ta : Outdoor temperature
< Normal start-up >
Immediate start-up after power-ON (cooling)
Immediate start-up after power-ON (Hearting Ta < 10°C)
Immediate start-up after power-ON (Hearting Ta > 10°C)
=