Airwell DAF009 - Page 72

SOUND LEVEL CHARACTERISTICS
CAF036 Cooling CAF036Heating
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
Octave Band Sound Pressure Level [dB re 20 mPa]
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
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 Sound Pressure Level [dB re 20 mPa]
Octave Band Center Frequencies [Hz]
FAN SPEED LINE
HI
ME
LO
CAF042 Cooling CAF042 Heating
7-8 SM YIF 2-A.1 GB
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 8000
Octave Band Cent
Octave Band Sound Pressure Level [dB re 20 mPa]
1000 2000 4000
er Frequencies [Hz]
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 Sound Pressure Level [dB re 20 mPa]
Octave Band Center Frequencies [Hz]
FAN SPEED LINE
HI
ME
LO