Mitsubishi Electric MXZ-3C68VA Service Manual download pdf (Page 10)

NOISE CRITERIA CURVES

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-3C54VA

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-4C80VA

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-3C68VA

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

CoolingHigh

FUNCTION

FAN SPEED

HeatingHigh

SPL(dB(A))

LINE

MXZ-4C71VA

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 269 270

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Mitsubishi Electric MXZ-3C68VA Service Manual Page 10

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