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Sound Pressure Level - Haier AV10IMWEWA Design, Installation & Maintenance Instruction

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8. Sound pressure level

(1)Testing illustration
(2)Testing condition:
a.Unit running in the nominal condition
b.Test in the semi-anechoic chamber
c.Noise level varies from the actual factors such as room structure,etc
(3)Noise level dB(A):
Air speed
8HP
H
50
(4) Octave band level
AV08IMWEWA
70
60
50
40
30
20
limit of
audible
continuous
noise
10
63 63 63 63 63 63 63 63
125
250
500
1000
Octave band center frequency ( Hz )
10HP
12HP
16HP
51
53
53
70
NC-60
60
NC-50
50
NC-40
40
NC-30
30
NC-20
20
limit of
audible
continuous
noise
10
2000
4000
8000
Octave band center frequency ( Hz )
Outdoor unit group(380-3-50/60)
18-20HP
22HP
54
55
AV10IMWEWA
NC-60
NC-50
NC-40
NC-30
NC-20
63 63 63 63 63 63 63 63
125
250
500
1000
2000
4000
26
24HP
26-28HP
30HP
56
55
70
60
50
40
30
20
limit of
audible
continuous
noise
10
8000
63 63 63 63 63 63 63 63
Octave band center frequency ( Hz )
32-34HP
36HP
56
57
58
AV12IMWEWA
NC-60
NC-50
NC-40
NC-30
NC-20
125
250
500
1000
2000
4000
8000

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