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Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu GENERAL ABHG18KRTA Design & Technical Manual

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6. Operation noise (sound pressure)

6-1. Noise level curve

¢ Model: ABHG18KRTA
 Cooling
80
70
60
50
40
30
QUIET
20
10
0
63
125
250
Octave band center frequency, Hz
¢ Model: ABHG22KRTA
 Cooling
80
70
60
50
40
30
QUIET
20
10
0
63
125
250
Octave band center frequency, Hz
6-1. Noise level curve
NC-65
NC-60
NC-55
HIGH
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
HIGH
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
QUIET
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
- 33 -
NC-65
NC-60
NC-55
HIGH
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
500
1,000
2,000
4,000
NC-65
NC-60
NC-55
HIGH
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
QUIET
NC-20
NC-15
500
1,000
2,000
4,000
6. Operation noise (sound pressure)
8,000
8,000
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