Sanyo TH4272R / CH4272R, XH4272R / C4272R Noise Criterion Curves Concealed Duct Type, Sound

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
dB		60
LEVEL,		50						NC-50
PRESSURE		40						NC-40
SOUND	bar)	30						NC-30
OCTAVE BAND	(0 dB = 0.0002	20	APPROXIMATE					NC-20
			THRESHOLD OF
			HEARING FOR
			CONTINUOUS
		10	NOISE
			63	125	250	500	1000	2000 4000 8000
			BAND CENTER FREQUENCIES, Hz
								1761_U_I

1. Specifications

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
dB		60
LEVEL,
		50						NC-50
PRESSURE
		40						NC-40
SOUND	bar)	30						NC-30
OCTAVE BAND	(0 dB = 0.0002	20	APPROXIMATE					NC-20
			THRESHOLD OF
			HEARING FOR
			CONTINUOUS
		10	NOISE
			63	125	250	500	1000	2000 4000 8000
			BAND CENTER FREQUENCIES, Hz
								1762_U_I

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SM831148

I-79