Noise Criteria Curves - Mitsubishi Electric MXZ-2A30VA - E1 Service Manual

NOISE CRITERIA CURVES

6
MXZ-2A30VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MXZ-2A52VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 46
High Heating 47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
49
High Cooling
High Heating 50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MXZ-2A40VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MXZ-3A54VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
66
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 47
High Heating 48
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 46
High Heating 48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000