LG ARUM080LTE5 Engineering Product Data Book page 711

Multi V 5
Heat Recovery
7. Sound Levels
Changeover : Heating
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000 2000
Octave Band Center Frequency (Hz)
Cooling
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4000 8000
HR Unit
13