6. Operation noise (sound pressure)
6-1. Noise level curve
Measuring conditions
Static pressure Static pressure mode
100 Pa Normal
¢ Model: ARXG45KHTA
Cooling
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 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
HIGH
LOW
Heating
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 1,000 2,000 4,000
8,000
HIGH
LOW
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
¢ Model: ARXG54KHTA
Cooling
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 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
HIGH
LOW
Heating
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 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
HIGH
LOW
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6-1. Noise level curve 6. Operation noise (sound pressure)
DUCT TYPE
ARXG45, 54KHTA
DUCT TYPE
ARXG45, 54KHTA