6. Operation noise (sound pressure)
6-1. Noise level curve
Measuring conditions
Ceiling height Outlet directions
Standard 4-way air outlet
¢ Model: AUYG18LVLB
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
QUIET
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
QUIET
¢ Model: AUYG24LVLA
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
QUIET
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
QUIET
- 15 -
CASSETTE TYPE
AUYG18-24LVL