2.3 The relation curve of NOISE-COMPRESSURE OPERATION FREQUENCY
Indoor unit
50.0
40.0
30.0
20.0
10.0
0.0
Muter
Low speed Mid speed High speed
Indoor cooling noise
50.0
40.0
30.0
20.0
10.0
0.0
Muter
Low speed Mid speed High speed
Indoor cooling noise
Outdoor unit
60
55
50
45
40
Outdoor cooling noise
55
50
45
40
Outdoor cooling noise
Air Conditioner Service Manual
9K
super
speed
Indoor heating noise
18K
super
speed
Indoor heating noise
9K
Outdoor heating noise
18K
Outdoor heating noise
50.0
40.0
30.0
20.0
10.0
0.0
Muter
Low speed Mid speed High speed
Indoor cooling noise
54
52
50
48
46
44
42
Outdoor cooling noise
12K
super
speed
Indoor heating noise
12K
Outdoor heating noise
5