14 _ Console
Indoor Units
9. Sound Levels
Overall
1m
Microphone
1m
❈ Measuring place : Anechoic chamber
Notes:
1. Sound measured at each 1m away from the front and bottom 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.
9.1 Sound Pressure Levels
Sound Levels dB(A)
Model
HML
ARNU07GQAA4 37 34 28
ARNU09GQAA4 37 34 28
ARNU12GQAA4 39 34 28
ARNU15GQAA4 42 37 31
ARNU07GQAA4 ARNU09GQAA4 ARNU12GQAA4
ARNU15GQAA4
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
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
10
20
30
40
50
60
70
80
63
125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
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
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
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
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
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
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (dB re 20Pa )
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
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