36 | ART COOL
TM
MUL
TI V W
all-Mounted Indoor Unit Engineering Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©
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Acoustic Data
Sound Power Levels
ART COOL MIRROR
Figure 20: ARNU123SJR4, ARNU153SJR4, ARNU183SKR4 Sound Power Level Diagrams.
Figure 21: ARNU243SKR4 Sound Power Level Diagrams.
ARNU123SJR4
ARNU153SJR4
ARNU183SKR4
10
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000
8000
Sound
P
ow
er
Le
vel
(0d
B
=
10
E-
6
μ
W/
m
2
)
Octave Band Center Frequency (Hz)
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
NR-75
NR-25
NR-20
NR-80
NR-85
NR-90
High
Middle
Low
10
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000
8000
Sound
P
ow
er
Le
vel
(0d
B
=
10
E-
6
μ
W/
m
2
)
Octave Band Center Frequency (Hz)
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
NR-75
NR-25
NR-20
NR-80
NR-85
NR-90
High
Middle
Low
10
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000
8000
Sound
P
ow
er
Le
vel
(0d
B
=
10
E-
6
μ
W/
m
2
)
Octave Band Center Frequency (Hz)
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
NR-75
NR-25
NR-20
NR-80
NR-85
NR-90
High
Middle
Low
ARNU243SKR4
10
20
30
40
50
60
70
80
90
100
125
250
500
1000
2000
4000
8000
Sound
P
ow
er
Le
vel
(0d
B
=
10
E-
6
μ
W/
m
2
)
Octave Band Center Frequency (Hz)
NR-70
NR-65
NR-60
NR-55
NR-50
NR-45
NR-40
NR-35
NR-30
NR-75
NR-25
NR-20
NR-80
NR-85
NR-90
High
Middle
Low