B-99
NOISE
CRITERIA
CUR
VES
OUTDOOR UNIT
S series
OUTDOOR UNIT
B.3.5 NOISE CRITERIA CURVES
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
AVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A))
LINE
High
Med.
FAN SPEED
HEATING
46
46
Test conditions,
Cooling : Dry-bulb temperature 35
Wet-bulb temperature (24
)
Heating : Dry-bulb temperature 7
Wet-bulb temperature 6
OUTDOORUNIT
MICROPHONE
1m
SUZ-KA25VA
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
AVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A))
LINE
FAN SPEED
HEATING
47
48
Test conditions,
Cooling : Dry-bulb temperature 35
Wet-bulb temperature (24
)
Heating : Dry-bulb temperature 7
Wet-bulb temperature 6
OUTDOORUNIT
MICROPHONE
1m
High
Med.
SUZ-KA35VA
COOLING
FUNCTION SPL(dB(A))
LINE
High
FAN SPEED
HEATING
53
55
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 35
Wet-bulb temperature (24
)
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
Heating : Dry-bulb temperature 7
Wet-bulb temperature 6
OCT
AVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
SUZ-KA50VA
SUZ-KA60VA
SUZ-KA71VA