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Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Indoor unit
9. Sound Levels
Ceiling Concealed Duct(Middle Static)
_
35
Indoor Units
ARNU28GM2A4 ARNU36GM2A4
ARNU42GM2A4
ARNU48GM3A4
ARNU54GM3A4