Noise Criteria Curves - Mitsubishi Electric MUZ-EF25VE - E1 Service Manual

4

NOISE CRITERIA CURVES

MUZ-EF25VE MUZ-EF25VEH
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MUZ-EF42VE
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
Test conditions
Cooling: Dry-bulb temperature 35°C
Heating: Dry-bulb temperature 7°C Wet-bulb temperature 6°C
MICROPHONE
OBH590B
FUNCTION SPL(dB(A)) LINE
COOLING
47
48
HEATING
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500 1000 2000 4000 8000
FUNCTION SPL(dB(A)) LINE
COOLING 50
HEATING 51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500 1000 2000 4000 8000
OUTDOOR UNIT
1 m
MUZ-EF35VE MUZ-EF35VEH
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MUZ-EF50VE
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
7
FUNCTION SPL(dB(A))
LINE
COOLING 49
HEATING 50
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500 1000 2000 4000 8000
FUNCTION SPL(dB(A)) LINE
COOLING 52
HEATING 52
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500 1000 2000 4000 8000