Wall Mounted _
10
Indoor Units
LCS
(Light Commercial System) Indoor unit
9. Sound Levels
Overall
Sound Pressure Level
Model
ARNU18GS5*2
ARNU24GS5*2
Sound Levels dB(A)
H M
L
44
46
40
41
36
38
1m
1m
Microphone
Notes:
- Data is valid at nominal operating condition
- Reference accoustic pressure OdB = 20µPa
- Sound level will vary depending on a range of factors such as
the construction(acoustic absorption coefficient) of particular
room in which the equipment is installed.
ARNU18GS5*2
ARNU24GS5*2
Octave Band Sound Pressure Level (dB re 20µPa )
Octave Band Sound Pressure Level (dB re 20µPa )
10
20
30
40
50
60
70
80
63
125
250
500
1000
2000
4000
8000
Octave Band Center Frequency (Hz)
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)
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
