Compressor Frequency At Normal Start-Up - Fujitsu RSG09KMCDN Service Manual

1-4. Compressor frequency at normal start-up

¢ Models: ROG09KMCDN and ROG12KMCDN
Compressor frequency soon after starting is controlled as below.
Frequency V
Frequency IV
Frequency III
Frequency II
Frequency (rps)
Time (sec)
¢ Model: ROG14KMCDN
Compressor frequency soon after starting is controlled as below.
Frequency VI
Frequency V
Frequency IV
Frequency III
Frequency II
Frequency I
Frequency
(rps)
Time (sec)
1-4. Compressor frequency at normal start-up
Frequency I
Time 1
I II
40 56
1 2
60 240
Time 1 Time 2
I II
35 52
1 2
60 140
Time 2 Time 3 Time 4
III
77
3
280
Time 3 Time 4
III IV
64 71
3 4
170 200
- (04-5) -
Time 5
IV V
90 99
4 5
360 400
Time 5 Time 6
V VI
89 97
5 6
350 410
1. Compressor frequency control