McQuay MLCV Especificaciones descargar pdf (Pagina 31)

32

0

10

20

30

40

50

60

70

125 250 500 1000 2000 4000 8000

Octave-band frequency ( Hz)

Sound pressure level (dB, re f 20 Pa)

NC-40

NC-35

NC-25

NC-20

NC-45

NC-50

S- Hi fan

Low f an

Hi g h fan

NC-30

Mediumfan

M easu red in anech o ic ro o m at 1 .4m be low t he centre o f t he un it

Tes ted with 2m length du ct at th e air discha rge outlet and a ir r eturn inlet

MCC038C/CR NC Curves

0

10

20

30

40

50

60

70

125 250 500 1000 2000 4000 8000

Octave-band frequency ( Hz)

Sound pressure level (dB, re f 20 Pa)

NC-40

NC-20

NC-45

NC-50

S- Hi f an

Low f an

Hi g h fan

NC-25

NC-30

Mediumfan

NC-35

M easu red in anech o ic ro o m a t 1.4 m be lo w the cent re o f the unit

Tested with 2m length duct at the ai r di scha rge o utlet and ai r r eturn inlet

MCC040C/CR NC Curves

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