Compressor Frequency At Normal Start-Up - Fujitsu AO G30KBTB Series Service Instruction

1-4. Compressor frequency at normal start-up

¢ Models: AOYG30KBTB and AOYG36KBTB
Compressor frequency soon after starting is controlled as below.
Frequency VIII
Frequency VII
Frequency VI
Frequency V
Frequency IV
Frequency III
Frequency II
Frequency I
• Normal operation
I
Frequency
(rps)
25
1
Time (sec)
90
• Special operation
I
Frequency
(rps)
25
1
Time (sec)
225
NOTES:
• Normal operation:
– Cooling and dry mode
• Below 3 hours from the compressor stop and the compressor thermistor ≥ 15 °C
• After defrost operation
– Other than when the compressor starts for the first time since the breaker turns on
• Special operation:
– Other than the normal operation condition
– When the compressor starts for the first time since the breaker turns on
1-4. Compressor frequency at normal start-up
Time 1 Time 2 Time 3
II III
42 53
2 3
150 270
II III
42 53
2 3
305 605
- (01-5) -
Time 4 Time 5 Time 6
IV V VI
61 65 75
4 5 6
330 390 450
IV V VI
61 65 75
4 5 6
665 725 785
Time 7 Time 8
VII VIII
85 92
7 8
570 630
VII VIII
85 92
7 8
855 1,000
1. Compressor frequency control