Noise Criteria Curves; Hearing For; Continuous - Mitsubishi Electric SUZ-KA25VA2 Technical & Service Manual

5

NOISE CRITERIA CURVES

SUZ-KA25VA2.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-KA50VA2.TH SUZ-KA60VA2.TH
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
OCH472A
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
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
Test conditions
Cooling: Dry-bulb temperature 35°C
Heating: Dry-bulb temperature 7°C
SUZ-KA35VA2.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
SUZ-KA71VA2.TH
Test conditions,
Cooling : Dry-bulb temperature 35
Heating : Dry-bulb temperature 7
90
80
70
60
50
40
30
20
10
63
Wet-bulb temperature 6°C
9 9
FUNCTION SPL(dB(A))
FAN SPEED
COOLING 47
High
Med.
HEATING 48
Wet-bulb temperature (24 )
Wet-bulb temperature
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
FAN SPEED
FUNCTION SPL(dB(A))
COOLING 55
High
HEATING 55
Wet-bulb temperature (24 )
Wet-bulb temperature 6
NC-10
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
OUTDOOR UNIT
1 m
MICROPHONE
LINE
6
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