13
MMD-AP___4H2UL
E15-3H1
9.
Sound data
Microphone
Duct
Duct
6.56 ft
(2 m)
3.28 ft
(1 m)
4.92 ft
(1.5 m)
Air intake
Air discharge
MMU-AP0304H2UL, AP0364H2UL (208 V)
MMU-AP0304H2UL, AP0364H2UL (230 V)
Fan tap
a
t
n
a
F
L
M
H
p
H
M
L
e
r
u
s
s
e
r
p
d
n
u
o
S
e
r
u
s
s
e
r
p
d
n
u
o
S
)
)
A
(
B
d
(
l
e
v
e
l
)
)
A
(
B
d
(
l
e
v
e
l
MMU-AP0484H2UL (208 V)
MMU-AP0484H2UL (230 V)
L
M
H
p
a
t
n
a
F
L
M
H
p
a
t
n
a
F
e
r
u
s
s
e
r
p
d
n
u
o
S
e
r
u
s
s
e
r
p
d
n
u
o
S
)
)
A
(
B
d
(
l
e
v
e
l
)
)
A
(
B
d
(
l
e
v
e
l
49
46
43
47
44
-
51
47
43
45
41
49.5
0
10
20
30
40
50
60
70
63
125
250
500
1000
2000
4000
8000
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
L
H
M
NC-50
NC-40
NC-30
NC-20
0
10
20
30
40
50
60
70
63
125
250
500
1000
2000
4000
8000
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
H
M
NC-50
NC-40
NC-30
NC-20
0
10
20
30
40
50
60
70
63
125
250
500
1000
2000
4000
8000
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
H
M
NC-50
NC-30
NC-20
L
0
10
20
30
40
50
60
70
63
125
250
500
1000
2000
4000
8000
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
L
H
M
NC-50
NC-30
NC-20
Approximate threshold of
hearing for continuous noise
Approximate threshold of
hearing for continuous noise
Approximate threshold of
hearing for continuous noise
Approximate threshold of
hearing for continuous noise
NC-40
NC-40
+00E15-3H1_01EN.book Page 13 Tuesday, March 22, 2016 5:50 PM