Operation Noise; Noise Level Curve - Fujitsu AB A45LCT Series Design & Technical Manual

9.

OPERATION NOISE

9-1.

NOISE LEVEL CURVE

MODEL : AOA45LC
„ „
Cooling
z „
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency,Hz
MODEL : AOA54LC
„ „
Cooling
z „
80
70
60
50
40
30
20
10
0
63 125 250 500
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
1,000 2,000 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
1,000 2,000 4,000 8,000
- (02 - 11) -
Heating
z „
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency,Hz
Heating
z „
80
70
60
50
40
30
20
10
0
63 125 250 500
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
1,000 2,000 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
1,000 2,000 4,000 8,000