LG MULTI V ARNU09GSBL4

Indoor unit
9. Sound Levels
Ceiling Concealed Duct(Middle Static) _ 27
Indoor Units
9.1 Sound Pressure Levels
Overall
1.5m
2m
2m
DUCT
DISCHARGE
SUCTION
DUCT
❈ Measuring place : Anechoic chamber
Notes:
1. Sound measured at 1.5m away from the center of the unit
2. Operating condition
- Power source : 220-240V 50Hz / 220V 60Hz
- Cooling : Indoor temperature (27°C DB, 19°C WB),
Outdoor temperature (35°C DB, 24°C WB)
- Heating : Indoor temperature (20°C DB, 15°C WB),
Outdoor temperature (7°C DB, 6°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.
Model
Sound Pressure Levels (dB(A),H-M-L)
External Static Pressure (Pa)
20 25 59
147
ARNU07GM1A4
ARNU09GM1A4
ARNU12GM1A4
ARNU15GM1A4
ARNU18GM1A4
ARNU24GM1A4
Sound Pressure Level (20Pa)
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
ARNU07GM1A4 ARNU09GM1A4 ARNU12GM1A4
n High
▲ Mid
l Low
n High
▲ Mid
l Low
n High
▲ Mid
l Low
26-24-23 26-24-23 27-24-23 33-28-25
27-25-23 27-25-23 27-25-23 33-29-26
27-25-23 27-25-23 28-25-23 33-30-27
30-27-23 30-27-23 30-27-24 37-33-30
31-28-25 31-28-25 32-29-27 37-34-29
32-29-26 32-29-26 33-30-28 38-35-32