9. Operation noise (sound pressure)
9-1. Noise level curve
¢ Model: AOU12RLFC
Cooling
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 1,000 2,000 4,000
8,000
Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 1,000 2,000 4,000
8,000
¢
Model: AOU18RGLX
Cooling
Octave band sound pressure level, dB:(0dB=0.0002μbar)
0
10
20
30
40
50
60
70
80
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency ,Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Heating
Octave band sound pressure level, dB:(0dB=0.0002μbar)
0
10
20
30
40
50
60
70
80
63 125 250 500 1,000 2,000 4,000 8,000
Octave band center frequency ,Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
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9-1. Noise level curve 9. Operation noise (sound pressure)
OUTDOOR UNIT
AOU12-48R
OUTDOOR UNIT
AOU12-48R