11
NOISE CRITERIA CURVES
5
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
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : Dry-bulb temperature 35
:
Wet-bulb temperature (24
:
)
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
SPL(dB)
LINE
High
SPEED
HEATING
46
46
Heating : Dry-bulb temperature 7
:
Wet-bulb temperature 6
:
SUZ-A09VR.TH
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
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
µ
bar)
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION
SPL(dB)
LINE
High
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
SUZ-A12VR.TH
COOLING
FUNCTION
SPL(dB(A))
LINE
High
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
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
µ
bar)
SUZ-A18VR.TH
SUZ-A24VR.TH
OC304A --1qxp 04.6.29 8:33 AM Page 11
