NOISE CRITERIA CURVES
4
MXZ-2D33VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
250
BAND CENTER FREQUENCIES, Hz
MXZ-2D53VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
250
BAND CENTER FREQUENCIES, Hz
OBH626B
FAN SPEED
FUNCTION
SPL(dB
)
LINE
(A)
High
Cooling
49
High
Heating
50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500
1000
2000
4000
8000
FAN SPEED
FUNCTION
SPL(dB
)
LINE
(A)
50
High
Cooling
High
Heating
53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500
1000
2000
4000
8000
MXZ-2D40VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
BAND CENTER FREQUENCIES, Hz
MXZ-2D53VAH
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
125
BAND CENTER FREQUENCIES, Hz
13
FAN SPEED
FUNCTION
SPL(dB
)
(A)
High
Cooling
49
High
Heating
50
250
500
1000
2000
4000
8000
FAN SPEED
FUNCTION
SPL(dB
)
(A)
50
High
Cooling
High
Heating
53
250
500
1000
2000
4000
8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20