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

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