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Sound Pressure Levels - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

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Indoor unit
9. Sound Levels

9.1 Sound Pressure Levels

Overall
❈ Measuring place : Anechoic chamber
Model
ARNU07GTU*4
ARNU09GTU*4
ARNU12GTU*4
ARNU18GTT*4
ARNU24GTT*4
ARNU07GTU*4
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63
125
250
500
1000
Octave Band Center Frequency (Hz)
ARNU18GTT*4
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63
125
250
500
1000
Octave Band Center Frequency (Hz)
18 _
Ceiling Cassette 1-Way
1.5m
Microphone
Sound Pressure Levels dB(A)
H
M
L
32
29
25
35
34
32
38
35
32
40
37
35
43
40
36
80
70
NC-65
60
NC-60
NC-55
50
NC-50
NC-45
40
NC-40
NC-35
30
NC-30
NC-25
20
Approximate
NC-20
Hearing
Threshold
NC-15
10
2000 4000
8000
63
125
Octave Band Center Frequency (Hz)
80
70
NC-65
60
NC-60
NC-55
50
NC-50
NC-45
40
NC-40
NC-35
30
NC-30
NC-25
20
Approximate
NC-20
Hearing
Threshold
NC-15
10
2000 4000
8000
63
125
Octave Band Center Frequency (Hz)
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.
ARNU09GTU*4
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
250
500
1000
2000 4000
8000
ARNU24GTT*4
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
250
500
1000
2000 4000
8000
ARNU12GTU*4
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63
125
250
500
1000
2000 4000
Octave Band Center Frequency (Hz)
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
8000

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Multi v arnu09gtua4Multi v arnu12gtua4Multi v arnu18gtta4Multi v arnu24gtta4Multi v arnu09gtla4Multi v arnu12gtla4 ... Show all

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