Fujitsu AOU42RGLX Design & Technical Manual page 46

¢ Model: AUU42RGLX
 Cooling
80
70
60
50
40
30
20
10
0
63 125 250
Octave band center frequency ,Hz
6-1. Noise level curve
NC-65
NC-60
NC-55
NC-50
High
NC-45
NC-40
NC-35
NC-30
Quiet
NC-25
NC-20
NC-15
500 1,000 2,000 4,000 8,000
 Heating
80
70
60
50
40
30
20
10
0
63 125 250
Octave band center frequency ,Hz
- 40 -
NC-65
NC-60
NC-55
NC-50
High
NC-45
NC-40
NC-35
NC-30
NC-25
Quiet
NC-20
NC-15
500 1,000 2,000 4,000 8,000
6. Operation noise (sound pressure)