Operation Noise; Noise Level Curve - Fujitsu ASU9RLS3 Design & Technical Manual

8.

OPERATION NOISE

8-1.

NOISE LEVEL CURVE

MODEL : ASU9RLS3
„ „
Cooling
z „
80
70
60
50
40
30
20
Quiet
10
0
63 125 250 500
Octave band center frequency,Hz
MODEL : ASU12RLS3
„ „
Cooling
z „
80 80
70 70
60 60
50 50
40 40
30 30
20 20
Quiet
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 8,000
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 1,000 2,000 2,000 4,000 4,000 8,000 8,000
- (01 - 18) -
Heating
z „
80
70
60
50
High
40
30
Quiet
20
10
0
63 125 250 500
Octave band center frequency,Hz
Heating
z „
80 80
70 70
60 60
50 50
High
40 40
30 30
Quiet
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
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 1,000 2,000 2,000 4,000 4,000 8,000 8,000