373
20.8.6 Outdoor Unit
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Frequency(Hz)
Octave Band Sound Pressure Level(dB)(OdB=0.0002μbar)
U-4LA1E5(Cooling)
Octave Band Central Frequency(Hz)
NC-40
NC-50
NC-30
NC-20
H ○━━○
NC-60
Frequency 50Hz
Fan Speed
C-scale(dB)
Back Ground Noise12dB
H
52
57
A-scale(dB)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Frequency(Hz)
Octave Band Sound Pressure Level(dB)(OdB=0.0002μbar)
U-4LA1E5(Heating)
Octave Band Central Frequency(Hz)
NC-40
NC-60
NC-50
NC-30
NC-20
H ○━━○
Frequency 50Hz
Fan Speed
C-scale(dB)
Back Ground Noise12dB
H
54
58
A-scale(dB)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Frequency(Hz)
Octave Band Sound Pressure Level(dB)(OdB=0.0002μbar)
U-5LA1E5(Cooling)
Octave Band Central Frequency(Hz)
NC-40
NC-50
NC-30
NC-20
H ○━━○
NC-60
Frequency 50Hz
Fan Speed
C-scale(dB)
Back Ground Noise12dB
H
53
58
A-scale(dB)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Frequency(Hz)
Octave Band Sound Pressure Level(dB)(OdB=0.0002μbar)
U-5LA1E5(Heating)
Octave Band Central Frequency(Hz)
NC-40
NC-60
NC-50
NC-30
NC-20
H ○━━○
Frequency 50Hz
Fan Speed
C-scale(dB)
Back Ground Noise12dB
H
55
59
A-scale(dB)