Mitsubishi Electric MXZ-2C20NA2, Service Manual

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30
Cooling High
FUNCTION FAN SPEED
Heating High
52
SPL(dB
(A)
)
56
LINE
90
80
70
60
50
40
30
20
10
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
OCT
A
VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Cooling High
FUNCTION FAN SPEED
Heating High
51
SPL(dB
(A)
)
55
LINE
90
80
70
60
50
40
30
20
10
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
OCT
A
VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Cooling High
FUNCTION FAN SPEED
Heating High
51
SPL(dB
(A)
)
55
LINE
90
80
70
60
50
40
30
20
10
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
OCT
A
VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Cooling High
FUNCTION FAN SPEED
Heating High
50
SPL(dB
(A)
)
54
LINE
90
80
70
60
50
40
30
20
10
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
OCT
A
VE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
NOISE CRITERIA CURVES 5
Test conditions
Cooling: Dry-bulb temperature 95°F Wet-bulb temperature 75°F
Heating: Dry-bulb temperature 45°F Wet-bulb temperature 43°F
MXZ-3C30NA
MXZ-3C30NA2
MXZ-3C30NA3
MXZ-2C20NA2
MXZ-2C20NA3
MXZ-2C20NA4 MXZ-3C24NA
MXZ-3C24NA2
MXZ-3C24NA3
MXZ-3C24NA4
OUTDOOR UNIT
MICROPHONE
39.4 in.
OBH702N