Haier AD482MPERA - Sound Pressure Level

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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
Outdoor unit group(380-3-50/60)
8HP 10HP 12HP 16HP 18-20HP 22HP 24HP 26-28HP 30HP 32-34HP 36HP
H 50 51 53 53 54 55 56 55 56 57 58
(4) Octave band level
AV08IMWEWA
Octave band sound pressure dB
80004000200010005002501256363636363636363
70
60
50
40
30
20
10
NC-60
NC-50
NC-40
NC-30
NC-20
limit of
audible
continuous
noise
Octave band center frequency
（ Hz）
80004000200010005002501256363636363636363
70
60
50
40
30
20
10
NC-60
NC-50
NC-40
NC-30
NC-20
limit of
audible
continuous
noise
80004000200010005002501256363636363636363
70
60
50
40
30
20
10
NC-60
NC-50
NC-40
NC-30
NC-20
limit of
audible
continuous
noise
Octave band sound pressure dB
Octave band center frequency
（ Hz
）
Octave band sound pressure dB
Octave band center frequency
（ Hz）
AV10IMWEWA
AV12IMWEWA