LG ARNU48GBRZ4, Engineering Product Data Book

Page: 242 / 520

Indoor unit
9. Sound Levels
Ceiling Concealed Duct(Middle Static)
_ 31
Indoor Units
Model
Sound Pressure Levels (dB(A),H-M-L)
External Static Pressure (Pa)
39 49 59 147
ARNU28GM2A4
ARNU36GM2A4
ARNU42GM2A4
ARNU48GM3A4
ARNU54GM3A4
Sound Pressure Level (39Pa)
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
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
ARNU28GM2A4 ARNU36GM2A4 ARNU48GM3A4
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low
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
ARNU54GM3A4
n
High
▲
Mid
l
Low
36-34-33 36-34-33 36-34-33 40-39-38
36-34-33 37-36-34 37-36-34 42-40-39
- 38-37-36 38-37-36 44-43-42
39-37-35 39-37-35 40-38-36 43-42-41
42-40-39 42-40-39 41-41-40 45-44-43