Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu ASU18RLF Design & Technical Manual

9. Operation noise (sound pressure)

9-1. Noise level curve

¢ Model: AOU18RLXFWH
 Cooling
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
¢ Model: AOU24RLXFWH
 Cooling
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000
- 43 -
 Heating
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
 Heating
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000