Operation Noise; Noise Level Curve - Fujitsu AR C72LHTA Series Design & Technical Manual

8.

OPERATION NOISE

8-1.

NOISE LEVEL CURVE

MODEL : ARC72LHTA
„ „
Cooling
z „
80
70
60
50
40
LOW
30
20
10
0
63 125 250 500
Octave band center frequency,Hz
MODEL : ARC90LHTA
„ „
Cooling
z „
80
70
60
50
40
LOW
30
20
10
0
63 125 250 500
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 2,000 4,000 8,000
- (01 - 19) -
Condition
Static pressure : 72Pa
Static pressure mode : Normal
Heating
z „
80
70
60
50
40
30
LOW
20
10
0
63 125 250 500
Octave band center frequency,Hz
Heating
z „
80
70
60
50
40
30
LOW
20
10
0
63 125 250 500
Octave band center frequency,Hz
NC-65
NC-60
NC-55
NC-50
HIGH
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
HIGH
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000