27
MMD-AP___1HF2UL
E15-3S2
Fan tap
H
M
L
Fan tap
H
M
L
External static pressure
1.08 (in WG) 1.00 (in WG) 0.65 (in WG)
External static pressure
0.84 (in WG) 0.74 (in WG) 0.24 (in WG)
Fan tap
H
L
Fan tap
H
L
External static pressure
1.01 (in WG) 0.85 (in WG)
External static pressure
0.67 (in WG) 0.41 (in WG)
47
46
40
MMD-AP0721HF2UL (208 V)
MMD-AP0721HF2UL (230 V)
45
MMD-AP0961HF2UL (230 V)
MMD-AP0961HF2UL (208 V)
Sound pressure
level (dB(A))
Sound pressure
level (dB(A))
48
47
46
Sound pressure
level (dB(A))
50
49
Sound pressure
level (dB(A))
47
10
20
30
40
50
60
70
63
125
250
500 1000 2000 4000 8000
Octave band center frequency (Hz)
O
c
ta
ve
band
s
o
und pr
es
s
u
re
lev
e
l (
d
B
)
Audibility limits
of continuous
white level
NC 50
NC 40
NC 30
NC 20
10
20
30
40
50
60
70
63
125
250
500 1000 2000 4000 8000
Octave band center frequency (Hz)
O
c
ta
ve
band
s
o
und pr
es
s
u
re
lev
e
l (
d
B
)
Audibility limits
of continuous
white level
NC 50
NC 40
NC 30
NC 20
1.08 (external static pressure (in WG))
1.00
0.65
0.84 (external static pressure (in WG))
0.74
0.24
10
20
30
40
50
60
70
63
125
250
500 1000 2000 4000 8000
Octave band center frequency (Hz)
O
c
ta
ve
band
s
ound
pr
es
s
u
re
lev
el
(d
B
)
Audibility limits
of continuous
white level
NC 50
NC 40
NC 30
NC 20
10
20
30
40
50
60
70
63
125
250
500 1000 2000 4000 8000
Octave band center frequency (Hz)
O
c
ta
ve
band
s
ound pr
es
s
u
re
lev
el (
d
B
)
Audibility limits
of continuous
white level
NC 50
NC 40
NC 30
NC 20
1.01 (external static pressure (in WG))
0.41
0.85
0.67 (external static pressure (in WG))