Noise Criteria Curves - Mitsubishi Electric SUZ-KA25VA Service Manual

5

NOISE CRITERIA CURVES

SUZ-KA25VA.TH
SUZ-KA25VAH.TH
FAN SPEED
High
Med.
Test conditions,
Cooling : Dry-bulb temperature 35
Heating : Dry-bulb temperature 7
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SUZ-KA50VA.TH SUZ-KA50VA
SUZ-KA60VA.TH SUZ-KA60VA
SUZ-KA71VA.TH SUZ-KA71VA
FAN SPEED
High
Test conditions,
Cooling : Dry-bulb temperature 35
Heating : Dry-bulb temperature 7
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SUZ-KA25VAR1.TH
SUZ-KA25VAHR1.TH
FUNCTION SPL(dB(A)) LINE
COOLING 46
HEATING 46
Wet-bulb temperature (24 )
Wet-bulb temperature
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
.TH SUZ-KA50VAR2.TH
1
.TH SUZ-KA60VAR2.TH
1
.TH
1
FUNCTION SPL(dB(A)) LINE
COOLING 53
HEATING 55
Wet-bulb temperature (24 )
Wet-bulb temperature 6
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SUZ-KA35VA.TH
SUZ-KA35VAH.TH
Test conditions,
Cooling : Dry-bulb temperature 35
6 Heating : Dry-bulb temperature 7
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
MICROPHONE
12
SUZ-KA35VAR1.TH
SUZ-KA35VAHR1.TH
FAN SPEED FUNCTION SPL(dB(A))
COOLING 47
High
Med.
HEATING 48
Wet-bulb temperature (24 )
Wet-bulb temperature
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
OUTDOORUNIT
1m
LINE
6
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000