Mitsubishi Electric MXZ-3E54VA-E1 Service Manual page 12

NOISE CRITERIA CURVES
4
MXZ-3E54VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MXZ-4E72VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
OBH723D
FAN SPEED FUNCTION SPL(dB ) LINE
(A)
High Cooling 50
High Heating 53
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 50
High Heating 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
OUTDOOR UNIT
1m
MXZ-3E68VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
MXZ-4E83VA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
Test conditions
Cooling :Dry-bulb temperature 35.0°C Wet-bulb temperature 24.0°C
Heating :Dry-bulb temperature
12
FAN SPEED FUNCTION SPL(dB
High Cooling
High Heating
125 250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
FAN SPEED FUNCTION SPL(dB
High Cooling
High Heating
125 250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
7.0°C Wet-bulb temperature 6.0°C
) LINE
(A)
50
53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
) LINE
(A)
49
51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000