Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu ASUH18LPAS Design & Technical Manual

9. Operation noise (sound pressure)

9-1. Noise level curve

¢ Model: AOUH18LPAS1
 Cooling
80
70
60
50
40
30
20
10
0
63 125 250
Octave band center frequency, Hz
¢ Model: AOUH24LPAS1
 Cooling
80
70
60
50
40
30
20
10
0
63 125 250
Octave band center frequency, Hz
9-1. 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
NC-40
NC-35
NC-30
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
40
30
20
10
0
63 125 250
Octave band center frequency, Hz
- 74 -
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
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
500 1,000 2,000 4,000 8,000
9. Operation noise (sound pressure)