Sound Data; Measuring Location - Toshiba MMU-AP0072H2UL Engineering Data Book

6
Indoor unit
9.

Sound data

MMD-AP0074SPH2UL, MMD-AP0094SPH2UL

[Measuring location]

6.56 ft
(2 m)
D u t c
Air discharge
Center
4.92 ft
(1.5 m)
E [ x e t n r a s l a t
F a n a t p
S o u n d p e r s s u e r
e l v l e d ( B A ( ) )
70
60
50
40
30
20
Approximate threshold of
hearing for continuous noise
10
63 125 250
Octave band center frequency (Hz)
Back air intake
3.28 ft
(1 m)
D u t c
Microphone
c i t p e r s s u e r 3 5 P ] a
H M
3 2 31
H
M
L
500 1000 2000
[External static pressure 20 Pa]
Fan tap
Sound pressure
level (dB(A))
70
60
Air intake
50
40
30
20
Approximate threshold of
hearing for continuous noise
10
63
E [ x e t
L F
S o u n
29
e l v l e
70
60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
Approximate threshold of
hearing for continuous noise
10
63
4000 8000
200
H
31 30
H
M
L
125 250 500 1000
Octave band center frequency (Hz)
n r a s l a t c i t p e r s s u e r 5 0
a n a t p H
d p e r s s u e r
3 3 32
d ( B A ( ) )
H
M
L
125 250 500 1000
Octave band center frequency (Hz)
M L
28
NC-50
NC-40
NC-30
NC-20
2000 4000 8000
P ] a
M L
30
NC-50
NC-40
NC-30
NC-20
2000 4000 8000