Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu AOU42RGLX Design & Technical Manual

6. Operation noise (sound pressure)

6-1. Noise level curve

¢ Model: AUU18RGLX
 Cooling
80
70
60
50
High
40
30
Quiet
20
10
0
63 125 250
Octave band center frequency ,Hz
¢ Model: AUU24RGLX
 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
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
500 1,000 2,000 4,000 8,000
NC-65
NC-60
NC-55
NC-50
NC-45
High
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
 Heating
80
70
60
50
High
40
30
20
10
0
63 125 250
Octave band center frequency ,Hz
- 38 -
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
High
NC-35
NC-30
NC-25
Quiet
NC-20
NC-15
500 1,000 2,000 4,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
Quiet
NC-25
NC-20
NC-15
500 1,000 2,000 4,000
6. Operation noise (sound pressure)
8,000
8,000