Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu ASU12RLS3Y Design & Technical Manual

7. Operation noise (sound pressure)

7-1. Noise level curve

¢ Model: ASU9RLS3Y
 Cooling
80
70
60
50
40
30
20
QUIET
10
0
63 125 250
Octave band center frequency, Hz
¢ Model: ASU12RLS3Y
 Cooling
80
70
60
50
40
30
20
QUIET
10
0
63 125 250
Octave band center frequency, Hz
7-1. Noise level curve
NC-65
NC-60
NC-55
NC-50
NC-45
HIGH
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
NC-25
NC-20
NC-15
500 1,000 2,000 4,000 8,000
 Heating
80
70
60
50
40
30
QUIET
20
10
0
63 125 250
Octave band center frequency, Hz
 Heating
80
70
60
50
40
30
QUIET
20
10
0
63 125 250
Octave band center frequency, Hz
- 17 -
NC-65
NC-60
NC-55
NC-50
NC-45
HIGH
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
NC-25
NC-20
NC-15
500 1,000 2,000 4,000 8,000
7. Operation noise (sound pressure)