Airwell DAF009 - 7.6 Outdoor Unit Noise Spectra

SOUND LEVEL CHARACTERISTICS
7.6 Sound Pressure Level Spectrum (Measured as Figure 5)
YIF009 Cooling YIF009 Heating
Noise spectrum & NC Curves
NC15
NC20
NC25
NC30
NC35
NC40
NC45
NC50
NC55
NC60
NC65
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
Octave Band Sound Pressure Level [dB re 20 mPa]
Noise spectrum & NC Curves
NC15
NC20
NC25
NC30
NC35
NC40
NC45
NC50
NC55
NC60
NC65
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
Octave Band Sound Pressure Level [dB re 20 mPa]
YIF012 Cooling YIF012 Heating
Noise spectrum & NC Curves
NC15
NC20
NC25
NC30
NC35
NC40
NC45
NC50
NC55
NC60
NC65
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
Octave Band Sound Pressure Level [dB re 20 mPa]
Noise spectrum & NC Curves
NC15
NC20
NC25
NC30
NC35
NC40
NC45
NC50
NC55
NC60
NC65
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
Octave Band Sound Pressure Level [dB re 20 mPa]
SM YIF 2-A.1 GB
7-13