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Sound Level - Haier AU042FPERA Service Manual

Mrv s" series (4-6hp)
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8. Sound 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.
AU042FPERA
AU04IFPERA
70
60
50
40
30
20
Limit of
audible
continuous
noise
10
63
125
250
500
Octave band center frequency (Hz)
AU062FPERA
AU06IFPERA
70
60
50
40
30
20
Limit of
audible
continuous
noise
10
63
125
250
500
Octave band center frequency (Hz)
NC-60
NC-50
H
NC-40
NC-30
NC-20
1000
2000
4000
8000
NC-60
NC-50
H
NC-40
NC-30
NC-20
1000
2000
4000
8000
1.18m
1.18m
1m
1m
AU052FPERA
AU05IFPERA
70
NC-60
60
NC-50
50
NC-40
40
NC-30
30
NC-20
20
Limit of
audible
continuous
noise
10
63
125
250
500
1000
2000
Octave band center frequency (Hz)
15
H
4000
8000

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Au06ifperaAu052fperaAu05ifperaAu062fperaAu04ifpera