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