25
9. Sound Data
Indoor Unit
Sound Pressure Level
Unit: dB(A)
1m
1m
Microphone
Model
High
Mid
Low
AC018MNADCH/AA
42 37 32
AC024MNADCH/AA
43 39 35
AC030MNTDCH/AA
49 47 45
AC036MNTDCH/AA
51 48 46
• NC Curve
1) AC018MNADCH/AA
2) AC024MNADCH/AA
High
Low
NC 50
NC 70
NC 60
NC 55
NC 45
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63
125
250
500
1000
2000
4000
8000
So
u
n
d
Pr
essu
re
L
evel
(d
B
)
Octave Band Center Frequency(Hz)
High
Low
NC 50
NC 70
NC 60
NC 55
NC 45
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63
125
250
500
1000
2000
4000
8000
S
o
und P
re
ss
u
re
Le
ve
l (
d
B)
Octave Band Center Frequency(Hz)
3) AC030MNTDCH/AA
4) AC036MNTDCH/AA
High
Low
NC 50
NC 70
NC 60
NC 55
NC 45
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63
125
250
500
1000
2000
4000
8000
S
o
und P
re
ss
ure
Le
ve
l (
d
B)
Octave Band Center Frequency(Hz)
High
Low
NC 50
NC 70
NC 60
NC 55
NC 45
NC 40
NC 35
NC 30
NC 25
NC 20
NC 15
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
63
125
250
500
1000
2000
4000
8000
S
o
und P
re
ss
u
re
Le
ve
l (
d
B)
Octave Band Center Frequency(Hz)
NOTE
• Specifications may be subject to change without prior notice.
• Sound pressure Level
- Sound pressure level is obtained in an anechoic room.
- Sound pressure level is a relative value, depending on the distance and acoustic environment.
- Sound pressure level may differ depending on operation condition.
- dBA = A weighted sound pressure level
-
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