Noise Criteria Curves - Mitsubishi Electric MXZ-2F33VF4-E1 Service Manual

5

NOISE CRITERIA CURVES

MXZ-2F33VF MXZ-2F33VF2
MXZ-2F33VF3 MXZ-2F33VF4
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MXZ-2F53VF MXZ-2F53VFH
MXZ-2F53VF2 MXZ-2F53VFH2
MXZ-2F53VF3 MXZ-2F53VFH3
MXZ-2F53VF4 MXZ-2F53VFH4
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OBH790L
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)
High Cooling 46
High Heating 51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MXZ-2F42VF MXZ-2F42VF2
MXZ-2F42VF3 MXZ-2F42VF4
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
58
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 44
High Heating 50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000