Willis WST18MC16S - Page 11

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50
40
30
Indoor side noise when blowing
Indoor fan motor rotating speed
Low
Middle
High
Noise/dB(A)
40
42
44
46
48
50
52
54
20 4030 50 60 70 80 90
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
24K
18K
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FrequencyHz
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Frequency (Hz)
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