Noise Criteria Curves - Mitsubishi Electric SUZ-KA25VA Technical & Service Manual

5

NOISE CRITERIA CURVES

SUZ-KA25VA.TH
SUZ-KA25VAH.TH
FAN SPEED
High
Med.
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-KA50VA.TH SUZ-KA50VA
SUZ-KA60VA.TH SUZ-KA60VA
SUZ-KA71VA.TH SUZ-KA71VA
FAN 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(A)) LINE
COOLING 46
HEATING 46
6:
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
.TH
1
.TH
1
.TH
1
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-KA35VA.TH
SUZ-KA35VAH.TH
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
MICROPHONE
11
FAN SPEED FUNCTION SPL(dB(A))
COOLING 47
High
Med.
HEATING 48
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