LG MULTI V ARNU48GBRZ4 Manual page 16

MULTI V
Indoor Unit
9. Sound Levels
9.1 Sound Pressure Levels
Overall
DISCHARGE
DUCT
2m
* Measuring place : Anechoic chamber
Model
ARNU48GBRZ4
ARNU76GB8Z4
ARNU96GB8Z4
ARNU48GBRZ4
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500
Octave Band Center Frequency (Hz)
16
SUCTION
DUCT
1.5m
2m
80
High
▲ Mid
Low
70
NC-65
60
NC-60
NC-55
50
NC-50
NC-45
40
NC-40
NC-35
30
NC-30
NC-25
20
NC-20
NC-15
10
1 000 2 000 4 000 8 000
Note
1.Sound measured at some distance away from the center of
the unit.
2.Data is valid at free field condition.
3.Reference accoustic pressure 0dB = 20μPa.
4.Data is valid at nominal operation condition.
Refer to the Model Specifications for nominal
conditions(Power source and Ambient temperature, etc)
5.Sound levels can be increased in accordance with
installation and operating conditions. (Static pressure mode,
used air guide, Room target temperature setting, etc)
6.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.
Sound Pressure Levels [dB(A)]
H
41
45
47
ARNU76GB8Z4
High
▲ Mid
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
Approximate
NC-20
Hearing
Threshold
NC-15
63 125 250 500 1 000 2 000 4 000 8 000
Octave Band Center Frequency (Hz)
Fresh Air Intake Unit
M L
40 40
43 43
45 45
ARNU96GB8Z4
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1 000 2 000 4 000 8 000
Octave Band Center Frequency (Hz)
High
▲ Mid
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15