McQuay MCM 020 D, Руководство пользователя

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0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band f requency (Hz )
S
o
un
d
pr
e
s
s
u
re
le
v
e
l (
d
B
, r
e
f 2
0
Pa
)
NC -4 0
NC -3 5
NC -2 5
NC -2 0
NC -4 5
NC -5 0
Hig h f an
Lo w f an
NC -3 0
M ed ium f an
M eas ured in anec ho ic ro o m at 1m in fro nt o f the unit and 1m belo w the air dis c harge o pening
MCM050D/DR NC Curves
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
S
ound pr
es
su
re
le
ve
l (
dB
, r
ef
20
Pa
)
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
Low fan
M edium fan
High fan
M easured in anechoic room at 1m in front of the unit and 1m below the air discharge
NC-55
MCM061/62 C/CR NC Curves
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