6
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION SPL(dB(A))
LINE
Super High
FAN SPEED
40
NC-10
OCT
AVE BAND SOUND PRESSURE LEVEL, 0dB re 0.0002 MICRO BAR
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION SPL(dB(A))
LINE
Super High
FAN SPEED
40
NC-10
OCT
AVE BAND SOUND PRESSURE LEVEL, 0dB re 0.0002 MICRO BAR
Test conditions
Cooling: Dry-bulb temperature 27 °C
Wet-bulb temperature 19 °C
INDOOR UNIT
WALL
MICROPHONE
0.8m
1m
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION SPL(dB(A))
LINE
Super High
FAN SPEED
44
NC-10
OCT
AVE BAND SOUND PRESSURE LEVEL, 0dB re 0.0002 MICRO BAR
NOISE CRITERIA CURVES
4
MS-GF20VA
MS-GF25VA
MS-GF35VA
OBH621A
