LG Mega LS090HEV2 Engineering Manual page 22

ACOUSTIC DATA
LSN120HEV2 and LSN180HEV2 Sound Pressure Levels
Figure 6: Sound Pressure Levels for Mega LSN120HEV2 Indoor Units.
LSN120HEV2
Cooling
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000
Octave Band Center Frequency (Hz
Figure 7: Sound Pressure Levels for Mega LSN180HEV2 Indoor Units.
LSN180HEV2
Cooling
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000
Octave Band Center Frequency (Hz
22 | PRODUCT DATA
High
Middle
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4000 8000
High
Middle
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4000 8000
©
Heating
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000 4000
Octave Band Center Frequency (Hz
Heating
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000 4000
Octave Band Center Frequency (Hz
High
Middle
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
8000
High
Middle
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
8000