Noise Criteria Curves - Mitsubishi Electric MSZ-HR25VFK Service Manual

4

NOISE CRITERIA CURVES

MSZ-HR25VF
MSZ-HR25VFK
90
80
70
60
50
40
30
20
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
MSZ-HR42VF
MSZ-HR42VFK
FUNCTION SPL(dB(A))
90
80
70
60
50
40
30
20
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
OBH844B
FUNCTION SPL(dB(A)) LINE
COOLING 43
HEATING 43
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
LINE
45
COOLING
46
HEATING
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
Test conditions
Cooling: Dry-bulb temperature 27°C
Wet-bulb temperature 19°C
Heating: Dry-bulb temperature 20°C
Wet-bulb temperature -°C
MSZ-HR35VF
MSZ-HR35VFK
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MSZ-HR50VF
MSZ-HR50VFK
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
0.8m
MICROPHONE
5
FUNCTION SPL(dB(A)) LINE
COOLING 46
HEATING 44
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FUNCTION SPL(dB(A)) LINE
45
COOLING
47
HEATING
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
INDOOR UNIT
WALL
1m