5
NOISE CRITERIA CURVES
4
MSZ-FT25VG
MSZ-FT25VGK
MSZ-FT35VG
MSZ-FT35VGK
MSZ-FT50VG
MSZ-FT50VGK
BAND CENTER FREQUENCIES, Hz
63
125
250
500
1000
2000
4000
8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
10
20
30
40
50
60
70
80
90
NC-20
NC-70
NC-60
NC-50
NC-40
NC-30
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
47
52
BAND CENTER FREQUENCIES, Hz
63
125
250
500
1000
2000
4000
8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
10
20
30
40
50
60
70
80
90
NC-20
NC-70
NC-60
NC-50
NC-40
NC-30
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
48
54
BAND CENTER FREQUENCIES, Hz
63
125
250
500
1000
2000
4000
8000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
10
20
30
40
50
60
70
80
90
NC-20
NC-70
NC-60
NC-50
NC-40
NC-30
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
46
49
Test conditions
Cooling: Dry-bulb temperature 27°C
Wet-bulb temperature 19°C
Heating: Dry-bulb temperature 20°C
Wet-bulb temperature 15°C
INDOOR UNIT
WALL
MICROPHONE
0.8m
1m
OBH864
