Specifications, 8 noise criterion curves concealed duct type – Sanyo KHH2672R / CH2672R User Manual

Page 83

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I-79

SM831148

1. Specifications

1

2

3

4

5

6

1-8 Noise Criterion Curves

Concealed Duct Type

MODEL

: UH2672R

SOUND LEVEL : HIGH 34 dB(A), NC 22 / LOW 27 dB(A), NC 18

CONDITION

: Under the unit 4.9 ft.

SOURCE

: 208 - 230 V, 1 Phase, 60 Hz

1761_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

bar)

NC-50

NC-40

NC-30

NC-20

MODEL

: UH3672R

SOUND LEVEL : HIGH 38 dB(A), NC 30 / LOW 31 dB(A), NC 21

CONDITION

: Under the unit 4.9 ft.

SOURCE

: 208 - 230 V, 1 Phase, 60 Hz

1762_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

bar)

NC-50

NC-40

NC-30

NC-20

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