102
MULTI V S Outdoor Unit
Product Data
12. Sound Levels
12.1 Sound Pressure Level
Cooling
1.Data is valid at free field condition.
2.Reference accoustic pressure 0dB = 20μPa.
3.Data is valid at nominal operation condition.
Refer to the Model Specifications for nominal
conditions(Power source and Ambient temperature, etc)
4.Sound levels can be increased in accordance with
installation and operating conditions. (Operating
conditions include some functional condition like Static
pressure mode, air guide use, Room target temperature
setting, etc and these functions are different in
accordance with each model.)
5.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.
6.Sound pressure level is measured on the rated condition
in the anechoic rooms by ISO 3745 standard.
Therefore, these values can be increased owing to
ambient conditions during operation.
Model
Sound Pressure Levels [dB(A)]
Cooling Heating
ARUN040GSS0 50 52
ARUN050GSL0 52 58
ARUN050GSS0 51 53
ARUN060GSS0 52 54
ARUN040LSS0 50 52
ARUN050LSS0 51 53
ARUN060LSS0 52 54
ARUN080LSS0 57 57
ARUN100LSS0 58 58
ARUN120LSS0 60 60
ARUN040GSS0 ARUN050GSL0 ARUN050GSS0
1m
1.5m
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
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 (0dB = 20μPa)
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
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 Sound Pressure Level (dB = 20µPa
)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
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)
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