Noise Criteria Curves - Mitsubishi Electric MUZ-DM25VA Service Manual

4

NOISE CRITERIA CURVES

MUZ-DM25VA
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OBH751
FUNCTION SPL(dB(A)) LINE
COOLING 50
HEATING 50
NC-10
500 1000 2000 4000 8000
MUZ-DM35VA
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
10
63
Test conditions
Cooling : Dry-bulb temperature 35°C
Heating : Dry-bulb temperature 7°C Wet-bulb temperature
MICROPHONE
6
FUNCTION SPL(dB(A))
COOLING
HEATING
NC-10
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
OUTDOOR UNIT
1m
LINE
51
51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
6°C