I - 97
SM830063
1
ECO MULTI SYSTEM Unit Specifications
0306_U_I
90
80
70
60
50
40
30
20
10
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
63
125
250
500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0305_U_I
90
80
70
60
50
40
30
20
10
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
63
125
250
500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
0304_U_I
90
80
70
60
50
40
30
20
10
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
63
125
250
500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
7-5. Noise criterion curves
MODEL
: SPW-UR93GH56
SOUND LEVEL : HIGH 30 dB(A), NC 23 / LOW 22 dB(A), NC 15
(HIGH 36 dB(A), NC 30 / LOW 28 dB(A), NC 20)
(
) : when Booster cable connected
CONDITION
: Under the unit 1.5 m
SOURCE
: 220 - 230 - 240 V, 1 Phase, 50 Hz
MODEL
: SPW-UR183GH56
SOUND LEVEL : HIGH 34 dB(A), NC 26 / LOW 26 dB(A), NC 18
(HIGH 39 dB(A), NC 30 / LOW 32 dB(A), NC 24)
(
) : when Booster cable connected
CONDITION
: Under the unit 1.5 m
SOURCE
: 220 - 230 - 240 V, 1 Phase, 50 Hz
MODEL
: SPW-UR123GH56
SOUND LEVEL : HIGH 32 dB(A), NC 23 / LOW 23 dB(A), NC 15
(HIGH 37 dB(A), NC 30 / LOW 31 dB(A), NC 14)
(
) : when Booster cable connected
CONDITION
: Under the unit 1.5 m
SOURCE
: 220 - 230 - 240 V, 1 Phase, 50 Hz
MODEL
: SPW-UR253GH56
SOUND LEVEL : HIGH 36 dB(A), NC 29 / LOW 26 dB(A), NC 18
(HIGH 41 dB(A), NC 34 / LOW 35 dB(A), NC 28)
(
) : when Booster cable connected
CONDITION
: Under the unit 1.5 m
SOURCE
: 220 - 230 - 240 V, 1 Phase, 50 Hz
7. Concealed Duct Type
0832_U_I
60
50
40
30
20
10
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
63
125
250
500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
NC-50
NC-40
NC-30
NC-20