Hearing For; Continuous; Band Center Frequencies, Hz - Mitsubishi Electric MSZ-FA25VA Service Manual

4
NOISE CRITERIA CURVES
MSZ-FA25VA
FAN SPEED
Super High
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
FUNCTION SPL(dB(A)) LINE
COOLING 42
HEATING
42
500 1000 2000 4000 8000
MSZ-FA35VA
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
THRESHOLD OF

HEARING FOR

NC-20

CONTINUOUS

NOISE
10
63 125
0.8m
MICROPHONE
6
FAN SPEED FUNCTION SPL(dB(A))
COOLING 42
Super High
42
HEATING
250 500 1000 2000

BAND CENTER FREQUENCIES, Hz

INDOORUNIT
WALL
1m
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000