Noise Criteria Curve; Cooling; Heating; Cooling Heating - Mitsubishi Electric MSZ-FH25VE - E1 Service Manual

4

NOISE CRITERIA CURVE

MSZ-FH25VE MSZ-FH35VE
FAN SPEED

Super High

90
80
70
60
50
40
30
20
10
63 125 250
BAND CENTER FREQUENCIES, Hz
Test conditions
Cooling: Dry-bulb temperature 27 °C
Wet-bulb temperature 19 °C
Heating: Dry-bulb temperature 20 °C
OBH623A
FUNCTION SPL(dB(A)) LINE

COOLING

42

HEATING

44
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500 1000 2000 4000 8000
0.8m
MSZ-FH50VE
90
80
70
60
50
40
30
20
10
63 125
INDOOR UNIT
WALL
1m
MICROPHONE
6
FAN SPEED FUNCTION SPL(dB(A))
COOLING 44
Super High
HEATING 46
NC-10
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000