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20
30
40
50
60
20
0
40
60
80
100
Indoor side noise when blowing
Outdoor side noise
Compressor frequency/Hz
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A (
B
d /
e
s i
o
N
18K
24K
18K
24K
60
50
40
30
20
10
0
Indoor Fan Motor Rotating Speed
Noice/dB(A)
low
Middle
High
Super High