Noise Criteria Curves - Mitsubishi Electric MSZ-BT35VG Service Manual

4

NOISE CRITERIA CURVES

MSZ-BT20VG
MSZ-BT20VGK
FUNCTION SPL(dB(A))
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES,Hz
MSZ-BT35VG
MSZ-BT35VGK
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES,Hz
OBH849C
LINE
43
COOLING
HEATING 43
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
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
Test conditions
Cooling: Dry-bulb temperature 27°C
Wet-bulb temperature 19°C
Heating: Dry-bulb temperature 20°C
Wet-bulb temperature 15°C
MSZ-BT25VG
MSZ-BT25VGK
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES,Hz
MSZ-BT50VG
MSZ-BT50VGK
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
43
COOLING
HEATING 43
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FUNCTION SPL(dB(A)) LINE
COOLING 46
HEATING 48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
INDOOR UNIT
WALL
1m