Noise Criteria Curves - Mitsubishi Electric Mr. Slim MXZ-2A20NA Service Manual

NOISE CRITERIA CURVE
5
MXZ-2A20NA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MXZ-4A36NA
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)
49
High Cooling
High Heating 51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
54
High Cooling
High Heating 57
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MXZ-3A30NA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
46
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
49
High Cooling
High Heating 49
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000