Noise Criteria Curves - Mitsubishi Electric SUZ-SWM40VA Technical & Service Manual

5

NOISE CRITERIA CURVES

SUZ-SWM40VA.TH
FUNCTION SPL(dB(A))
COOLING
HEATING
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SUZ-SWM80VA.TH
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH718A
LINE
49
44
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 49
HEATING 46
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500 1000 2000 4000 8000
SUZ-SWM60VA.TH
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1.5 m
12
FUNCTION SPL(dB(A)) LINE
COOLING 49
HEATING 45
NC-10
500 1000 2000 4000 8000
1 m
UNIT
GROUND
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20