Lennox LI012HI-210P432 - Noise Curve

8
Technical Information
Service Manual
2.4 Noise Curve
45
50
35
40
30
20
15
25
Indoor side noise Outdoor side noise
Indoor fan motor rotating speed
Super
High
Super
Low
Middle
High
Middle
Low
High Middle Low
40
42
44
46
48
50
52
54
20 030450607080
Compressor frequency(Hz)
Noise dB(A)
Noise dB(A)
Heating
Cooling
12K
12K(AFD)
24K/18K/12K(AFC)
20
30
40
50
LM H
24K
18K
12K
SH
Indoor fan motor rating speed
Noise/dB(A)
40
45
50
55
60
65
70
75
20 30 40 50 60 70 80 90
100
Compressor frequency(Hz)
Noise dB(A)
Heating
Cooling
Indoor side noise Outdoor side noise