Noise Criteria Curves - Mitsubishi Electric MFZ-KJ25VE Service Manual

4

NOISE CRITERIA CURVES

MFZ-KJ25VE
FAN SPEED
Super High
80
70
60
50
40
30
20
10
0
63 125
BAND CENTER FREQUENCIES, Hz
MFZ-KJ50VE
FAN SPEED
Super High
80
70
60
50
40
30
20
10
0
63 125
BAND CENTER FREQUENCIES, Hz
OBH666A
FUNCTION SPL(dB(A))
COOLING 39
HEATING
41
NC-10
250 500 1000 2000 4000
FUNCTION SPL(dB(A))
COOLING 44
HEATING
50
NC-10
250 500 1000 2000 4000
MFZ-KJ35VE
LINE
80
70
60
NC-70
50
NC-60
40
NC-50
30
NC-40
20
NC-30
10
NC-20
0
63
8000
Test conditions
Cooling : Dry-bulb temperature 27 °C Wet-bulb temperature 19 °C
Heating : Dry-bulb temperature 20 °C
MICROPHONE
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
5
FAN SPEED FUNCTION SPL(dB(A))
COOLING
Super High
HEATING
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
INDOOR UNIT
1m
1m
LINE
39
41
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
4000 8000
WALL