LG MULTI V ARNU48GBRZ4 Manual page 17

MULTI V
Indoor Unit
9. Sound Levels
9.2 Sound Power Levels
Note
• Data is valid at diffuse field condition
• Data is valid at nominal operating condition
• Sound level can be increased in static pressure mode or used air guide.
• Sound power level is measured on the rated condition in the reverberation rooms.
• 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.
• Reference acoustic intensity 0dB = 10E-6μW/m
ARNU48GBRZ4
ARNU76GB8Z4
ARNU96GB8Z4
ARNU48GBRZ4
100
90
80
70
60
50
40
30
20
125 250 500 1000 2000
Octave Band Center Frequency (Hz)
Model
ARNU76GB8Z4
100
90
NR-90
80
NR-85
NR-80
70
NR-75
NR-70
60
NR-65
NR-60
50
NR-55
NR-50
40
NR-45
NR-40
30
NR-35
NR-30
20
4000 8000 125
Octave Band Center Frequency (Hz)
2
Sound Power Levels [dB(A)]
NR-90
NR-85
NR-80
NR-75
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
250 500 1000 2000 4000 8000
Fresh Air Intake Unit
High Fan Speed
62
70
72
ARNU96GB8Z4
100
90
80
70
60
50
40
30
20
125 250 500 1000 2000
Octave Band Center Frequency (Hz)
NR-90
NR-85
NR-80
NR-75
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
4000 8000
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