Noise Criterion Curves; (A) Indoor Units; 4-Way Air Discharge Semi-Concealed Type - Sanyo Big PACi 18 Series Technical Data & Service Manual

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1-8. Noise Criterion Curves

(A) Indoor Units

4-Way Air Discharge Semi-Concealed Type

MODEL
SOUND LEVEL :
CONDITION
60
50
40
30
Approximate
20
minimum audible
limit for
continuous noise
10
63
Overall
Frequency at center of sound pressure band (Hz)
MODEL
SOUND LEVEL :
CONDITION
60
50
40
30
Approximate
minimum audible
20
limit for
continuous noise
10
63
Overall
Frequency at center of sound pressure band (Hz)
: SPW-XDR184GH56 (A/B)
SPW-X185H
31 dB(A)
STRONG
29 dB(A)
MEDIUM
27 dB(A)
WEAK
1.5 m directly below unit
:
NC-50
NC-40
NC-30
NC-20
125 250 500 1000 2000 4000 8000
: SPW-XDR364GH56 (A/B)
SPW-X365H
39 dB(A)
STRONG
MEDIUM 36 dB(A)
WEAK 33 dB(A)
1.5 m directly below unit
:
NC-50
NC-40
NC-30
NC-20
125 250 500 1000 2000 4000 8000
SPW-XDR254GH56 (A/B)
MODEL :
SPW-X255H
SOUND LEVEL :
STRONG
MEDIUM
WEAK
CONDITION : 1.5 m directly below unit
60
50
40
30
Approximate
minimum audible
20
limit for
continuous noise
10
63 125 250
Overall
Frequency at center of sound pressure band (Hz)
MODEL : SPW-XDR484GH56 (A/B)
SPW-X485H
SOUND LEVEL : STRONG
MEDIUM
WEAK
1.5 m directly below unit
CONDITION :
60
50
40
30
Approximate
minimum audible
20
limit for
continuous noise
10
63 125 250
Overall
Frequency at center of sound pressure band (Hz)
1-94
Both 50Hz / 60Hz
Strong
Weak
34 dB(A)
31 dB(A)
28 dB(A)
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
42 dB(A)
38 dB(A)
34 dB(A)
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000