Noise Criteria Curves - Mitsubishi Electric SUZ-KA25VA3 Technical & Service Manual

5

NOISE CRITERIA CURVES

SUZ-KA25VA3.TH
FAN SPEED FUNCTION SPL(dB(A))
COOLING
High
Med.
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SUZ-KA50VA3.TH
FAN SPEED
High
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH530
LINE
47
HEATING 48
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-10
500 1000 2000 4000 8000
Test conditions
SUZ-KA35VA3.TH
90
80
70
60
50
40
30
20
10
63
SUZ-KA60VA3.TH
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
10
63
Cooling: Dry-bulb temperature 35°C
Heating: Dry-bulb temperature 7°C
Wet-bulb temperature 6°C
9 9
FAN SPEED FUNCTION SPL(dB(A))
COOLING 49
High
Med.
HEATING 50
NC-10
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SUZ-KA71VA3.TH
FAN SPEED FUNCTION SPL(dB(A))
COOLING 55
High
HEATING 55
NC-10
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
OUTDOOR UNIT
MICROPHONE
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
1 m