Noise Criteria Curves - Mitsubishi SUZ-A09VR Technical & Service Manual

5

NOISE CRITERIA CURVES

SUZ-A09VR.TH
SPEED
High
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)
Heating : Dry-bulb temperature 7: Wet-bulb temperature
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SUZ-A18VR.TH
SUZ-A24VR.TH
SPEED
High
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)
Heating : Dry-bulb temperature 7: Wet-bulb temperature 6:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
FUNCTION SPL(dB) LINE
COOLING 46
HEATING 46
6:
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
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SUZ-A12VR.TH
FAN SPEED
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)
Heating : Dry-bulb temperature 7: Wet-bulb temperature
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
BAND CENTER FREQUENCIES, Hz
OUTDOORUNIT
MICROPHONE
11
FUNCTION SPL(dB)
COOLING 47
High
HEATING 48
250 500 1000 2000 4000
1m
LINE
6:
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000