Mitsubishi MSZ-A30YV Service Manual download pdf (Page 6)

6

4

NOISE CRITERIA CURVES

90

80

70

60

50

40

30

20

10

63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB=20µPa

BAND CENTER FREQUENCIES, Hz

APPROXIMATE

THRESHOLD OF 

HEARING FOR

CONTINUOUS

NOISE

COOLING

FUNCTION

42

42

SPL(dB(A))

LINE

Super High

FAN SPEED

HEATING

Test conditions,

Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:

Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:

INDOORUNIT

WALL

MICROPHONE

0.8m

1m

90

80

70

60

50

40

30

20

10

63 125 250 500 1000 2000 4000 8000

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB=20µPa

BAND CENTER FREQUENCIES, Hz

Test conditions,

Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:

APPROXIMATE

THRESHOLD OF 

HEARING FOR

CONTINUOUS

NOISE

COOLING

FUNCTION

42

42

SPL(dB(A))

LINE

Super High

FAN SPEED

HEATING

Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:

MSZ-FA25VA

MSZ-FA35VA

OB416_--1qxp 12/2/05 4:27 PM Page 6

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