Operation Noise (Sound Pressure); Noise Level Curve - Fujitsu AJ 126LELDH Series Design & Technical Manual

8. Operation noise (sound pressure)

8-1. Noise level curve

¢ Model: AJ072LELDH
 Cooling
80
70
60
50
40
Low noise mode
level 2
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
¢ Model: AJ090LELDH
 Cooling
80
70
60
50
40
Low noise mode
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
8-1. Noise level curve
NC-65
NC-60
Rated
Low noise mode
NC-55
level 1
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
Rated
NC-60
Low noise mode
NC-55
level 1
NC-50
NC-45
NC-40
level 2
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000
 Heating
80
70
60
50
40
30
20
10
0
63 125 250
Octave band center frequency, Hz
 Heating
80
70
60
50
40
30
20
10
0
63 125 250
Octave band center frequency, Hz
- (03-27) -
NC-65
Rated
NC-60
Low noise mode
level 1
NC-55
NC-50
NC-45
NC-40
Low noise mode
NC-35
level 2
NC-30
NC-25
NC-20
NC-15
500 1,000 2,000 4,000
NC-65
Rated
NC-60
Low noise mode
level 1
NC-55
NC-50
NC-45
Low noise mode
NC-40
level 2
NC-35
NC-30
NC-25
NC-20
NC-15
500 1,000 2,000 4,000
8. Operation noise (sound pressure)
8,000
8,000