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Indoor unit
28
_
Ceiling Concealed Duct(High Static)
Indoor Units
9. Sound Levels
Sound Pressure Level (150Pa)
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
ARNU76GB8A4
ARNU96GB8A4
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low
Sound Pressure Level (120Pa)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
ARNU76GB8A4
ARNU96GB8A4
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low
Model
Sound Pressure Levels (dB(A),H-M-L)
External Static Pressure (Pa)
120
150
220
ARNU76GB8A4
41-40-40
42-41-41
45-43-43
ARNU96GB8A4
43-41-41
44-42-42
47-45-45