Noise Criteria Curves - Mitsubishi Electric MXZ-2C20NA2 Service Manual

5

NOISE CRITERIA CURVES

MXZ-2C20NA2
MXZ-2C20NA3
MXZ-2C20NA4
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MXZ-3C24NA4
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
OBH702N
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 50
High Heating 54
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 51
High Heating 55
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
OUTDOOR UNIT
39.4 in.
MXZ-3C24NA
MXZ-3C24NA2
MXZ-3C24NA3
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
MXZ-3C30NA
MXZ-3C30NA2
MXZ-3C30NA3
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
Test conditions
Cooling: Dry-bulb temperature 95°F Wet-bulb temperature 75°F
Heating: Dry-bulb temperature 45°F Wet-bulb temperature 43°F
30
FAN SPEED FUNCTION SPL(dB
(A)
High Cooling 51
High Heating 55
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
FAN SPEED FUNCTION SPL(dB
(A)
52
High Cooling
High Heating 56
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
) LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
) LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000