Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu ASTG12KMCA Design & Technical Manual

8.

OPERATION NOISE (SOUND PRESSURE)

8-1.

NOISE LEVEL CURVE

 
MODEL : ASTG09KMCA
 
Cooling
80
70
60
50
40
30
20
QUIET
10
0
63 125 250 500
Octave band center frequency, Hz
 
MODEL : ASTG12KMCA
 
Cooling
80 80
70 70
60 60
50 50
40 40
30 30
20 20
10 10
0 0
63 63 125 125 250 250 500 500
Octave band center frequency, Hz Octave band center frequency, Hz
NC-65
NC-60
NC-55
NC-50
NC-45
HIGH
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000
NC-65
NC-60
NC-55
NC-50
HIGH
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
QUIET
1,000 1,000 2,000 2,000 4,000 4,000
 
Heating
80
70
60
50
40
30
20
10
0
8,000 63 125 250
 
Heating
80 80
70 70
60 60
50 50
40 40
30 30
20 20
10 10
0 0
8,000 8,000 63 63 125 125 250 250
- (01 - 15) -
HIGH
QUIET
500 1,000 2,000
Octave band center frequency, Hz
HIGH
QUIET
500 500 1,000 1,000 2,000 2,000
Octave band center frequency, Hz Octave band center frequency, Hz
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4,000 8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
4,000 4,000 8,000 8,000