Noise Criteria Curves - Mitsubishi Electric MUZ-LN25VGHZ Service Manual

5

NOISE CRITERIA CURVES

MUZ-LN25VGHZ
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MUZ-LN50VGHZ
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
OBH768
FUNCTION SPL(dB(A)) LINE
COOLING 46
49
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
51
54
HEATING
NC-10
500 1000 2000 4000 8000
OUTDOOR UNIT
1 m
MUZ-LN35VGHZ
90
80
70
60
50
40
30
20
10
63
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
9
FUNCTION SPL(dB(A))
COOLING 49
50
HEATING
NC-10
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000