41
MULTI V
Indoor Unit
Wall Mounted Unit (Standard)
9. Sound Levels
9.1 Sound Pressure Levels
̰
Overall
Note
1.Sound measured at some distance away from the center of the
unit.
2.Data is valid at free field condition.
3.Reference accoustic pressure 0dB = 20
μ
Pa.
4.Data is valid at nominal operation condition.
Refer to the Model Specifications for nominal conditions(Power
source and Ambient temperature, etc)
5.Sound levels can be increased in accordance with installation
and operating conditions. (Static pressure mode, used air
guide, Room target temperature setting, etc)
6.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.
Model
Sound Pressure Levels [dB(A)]
High
Middle
Low
ARNU05GSJ*4
30
29
28
ARNU07GSJ*4
32
30
28
ARNU09GSJ*4
34
32
28
ARNU12GSJ*4
37
34
30
ARNU15GSJ*4
42
39
32
ARNU18GSK*4
43
39
34
ARNU24GSK*4
46
41
34
ARNU30GSVA4
49
44
42
ARNU36GSVA4
52
47
43
ARNU05GSJ*4
ARNU07GSJ*4
ARNU09GSJ*4
1m
1m
Microphone
* Measuring place : Anechoic chamber
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
63
125
250
500
1000
2000
4000
8000
O
c
tav
e
B
and
S
ound
P
res
s
ur
e Lev
el
(
dB
=
20
μ
P
a
)
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
̰
High
̵
Middle
Ǹ
Low
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
63
125
250
500
1000
2000
4000
8000
O
c
tav
e
B
and
S
ound
P
res
s
ur
e Lev
el
(
dB
=
20
μ
P
a
)
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
̰
High
̵
Middle
Ǹ
Low
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
63
125
250
500
1000
2000
4000
8000
O
c
tav
e
B
and
S
ound
P
res
s
ur
e Lev
el
(
dB
=
20
μ
P
a
)
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
̰
High
̵
Middle
Ǹ
Low
