Noise Criteria Curves - Mitsubishi Electric MSZ-GA22VA-E1 Service Manual

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4

NOISE CRITERIA CURVES

MSZ-GA22VA -
E1
MSZ-GA25VA -
E1
FAN SPEED
Super High
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:
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
43
COOLING
HEATING 43
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
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MSZ-GA35VA -
E1
FAN SPEED
Super High
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
INDOORUNIT
1m
0.8m
MICROPHONE
6
FUNCTION SPL(dB(A)) LINE
COOLING 43
HEATING
43
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
WALL