LG MULTI V ARNU12GTRA4

Indoor unit
Fresh Air Intake Unit _ 13
Indoor Units
9. Sound Levels
Overall
1.5m
2m
2m
DUCT
DISCHARGE
SUCTION
DUCT
❈ Measuring place : Anechoic chamber
Model
Sound Pressure Levels
HML
ARNU48GBRZ4 41 40 38
ARNU76GB8Z4 45 43 43
ARNU96GB8Z4 47 45 45
Notes:
1. Sound measured at 1.5m away from the center of the unit
2. Operating condition|
- Cooling : Outdoor temperature (33°C DB, 28°C WB)
- Heating : Outdoor temperature (0°C DB, -2.9°C WB)
3. Reference accoustic pressure 0dB = 20μPa
4. Sound level will vary depending on a range of factors such as the
construction(acoustic absorption coefficient) of particular room in
which the equipment in installed.
[dB(A)]
Octave Band Sound Pressure Level (0 dB = 20 μPa) Octave Band Sound Pressure Level (0 dB = 20 μPa)
Octave Band Center Frequency (Hz)
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)
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 Sound Pressure Level (0 dB = 20 μPa)
Octave Band Center Frequency (Hz)
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
ARNU48GBRZ4 ARNU76GB8Z4 ARNU96GB8Z4
n High
▲ Mid
l Low
n High
▲ Mid
l Low
n High
▲ Mid
l Low
9.1 Sound Pressure Levels