Noise Criteria Curves - Mitsubishi Electric MXZ-2C20NA2-U1 Service Manual

NOISE CRITERIA CURVES

4
MXZ-2C20NA2
FAN SPEED
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES H
MXZ-3C30NA
MXZ-3C30NA2
FAN SPEED
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES H
MICROPHONE
OBH702G
FUNCTION SPL(dB ) LINE
(A)
High Cooling 50
High Heating 54
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
FUNCTION SPL(dB ) LINE
(A)
High Cooling 52
High Heating 56
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
OUTDOOR UNIT
39.4 in.
Test conditions
MXZ-3C24NA
MXZ-3C24NA2
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES H
MXZ-4C36NA
MXZ-4C36NA2
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES H
Cooling: Dry-bulb temperature 95°F Wet-bulb temperature 75°F
Heating: Dry-bulb temperature 45°F Wet-bulb temperature 43°F
15
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
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 54
High Heating 56
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000