LG LD097HV4 Engineering Manual page 23

Outdoor Unit Sound Pressure Diagrams
LUU189HV, LUU249HV
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500
Octave Band Center Frequency (Hz)
▲ Cooling
Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1000 2000 4000 8000
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ACOUSTIC DATA
Sound Pressure for Outdoor Units
LUU369HV
80
75
70
65
60
55
50
45
40
35
30
25
20
Approximate
Hearing
15
10
63 125 250 500
Octave Band Center Frequency (Hz)
■ Cooling
▲Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1000 2000 4000 8000
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