Noise Criterion Curves; 4-Way Air Discharge Semi-Concealed Type - Sanyo SPW-C256VH 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
minimum
audible limit
20
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 limit
20
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 limit
20
for continuous
noise
10
63
Overall
Frequency at center of sound pressure band (Hz)
: SPW-XDR124 / 164 / 184GH56 (A/B)
SPW-X125 / 165 / 185H
: STRONG 31 dB(A)
MEDIUM 29 dB(A)
WEAK 27 dB(A)
: 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
: STRONG 39 dB(A)
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-XDR604GH56 (A/B)
SPW-X605H
: STRONG 44 dB(A)
MEDIUM 40 dB(A)
WEAK 36 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 34 dB(A)
MEDIUM 31 dB(A)
WEAK 28 dB(A)
CONDITION : 1.5 m directly below unit
60
50
40
30
Approximate
minimum
20
audible limit
for continuous
noise
10
63 125 250
Overall
Frequency at center of sound pressure band (Hz)
: SPW-XDR484GH56 (A/B)
MODEL
SPW-X485H
SOUND LEVEL
: STRONG 42 dB(A)
MEDIUM 38 dB(A)
WEAK 34 dB(A)
: 1.5 m directly below unit
CONDITION
60
50
40
30
Approximate
minimum
20
audible limit
for continuous
noise
10
63 125 250
Overall
Frequency at center of sound pressure band (Hz)
1-296
Both 50Hz / 60Hz
Strong
Weak
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000