Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu ASU9RL2 Design & Technical Manual

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6. Operation noise (sound pressure)

6-1. Noise level curve

¢ Model: ASU9RL2
 Cooling
80
70
60
50
HIGH
40
30
20
QUIET
10
0
63
125
250
Octave band center frequency, Hz
¢ Model: ASU12RL2
 Cooling
80
70
60
50
HIGH
40
30
20
QUIET
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
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
HIGH
40
30
20
QUIET
10
0
63
125
250
Octave band center frequency, Hz
 Heating
80
70
60
50
HIGH
40
30
20
QUIET
10
0
63
125
250
Octave band center frequency, Hz
- 13 -
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
6. Operation noise (sound pressure)
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