Fujitsu ACUH09LUAS1 Design & Technical Manual page 25

¢ Model: ACUH18LUAS1
 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
NC-50
HIGH
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
- 21 -
NC-65
NC-60
NC-55
NC-50
HIGH
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)