Noise Criteria Curves - Mitsubishi Electric MSZ-HJ25VA-E1 Service Manual

4

NOISE CRITERIA CURVES

MSZ-HJ25VA
FAN SPEED
Super High
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MSZ-HJ50VA
FAN SPEED
Super High
90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OBH647A
FUNCTION SPL(dB(A)) LINE
43
COOLING
43
HEATING
NC-10
500 1000 2000 4000 8000
FUNCTION SPL(dB(A)) LINE
COOLING 45
HEATING 47
NC-10
500 1000 2000 4000 8000
MSZ-HJ35VA
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
10
63 125
Test conditions
Cooling : Dry-bulb temperature 27°C Wet-bulb temperature 19°C
Heating : Dry-bulb temperature 20°C
0.8m
NC-70
MICROPHONE
NC-60
NC-50
NC-40
NC-30
NC-20
6
FAN SPEED FUNCTION SPL(dB(A))
COOLING 45
Super High
HEATING 44
NC-10
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
INDOOR UNIT
WALL
1m
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000