Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu ARU18RGLX Design & Technical Manual

6. Operation noise (sound pressure)

6-1. Noise level curve

¢ Model: ARU18RGLX
 Cooling
80
70
60
50
40
30
20
QUIET
10
0
63 125 250
Octave band center frequency, Hz
¢ Model: ARU24RGLX
 Cooling
80
70
60
50
40
30
20
QUIET
10
0
63 125 250
Octave band center frequency, Hz
6-1. Noise level curve
NC-65
NC-60
NC-55
NC-50
NC-45
HIGH
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
500 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
500 1,000 2,000 4,000 8,000
 Heating
80
70
60
50
40
30
20
QUIET
10
0
63 125 250
Octave band center frequency, Hz
 Heating
80
70
60
50
40
30
20
QUIET
10
0
63 125 250
Octave band center frequency, Hz
- 32 -
NC-65
NC-60
NC-55
NC-50
NC-45
HIGH
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
500 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
500 1,000 2,000 4,000 8,000
6. Operation noise (sound pressure)