Sound values

Table 1. Sound power level in the supply air duct
Sound power level in the supply air duct (one duct) by octave band L_W´ dB
Adjustment position (%)		10	20	30	40	50	60	70	80	90	100
Medium frequency of the octave band Hz	63	57	66	66	69	73	75	77	79	80	82
	125	43	52	57	64	66	69	71	72	73	73
	250	41	46	50	55	59	64	74	72	73	75
	500	35	41	48	52	55	58	61	64	67	68
	1000	30	38	43	48	52	55	58	61	64	65
	2000	24	33	41	46	50	54	56	59	61	63
	4000	17	20	27	34	40	45	49	52	55	57
	8000	21	21	22	25	31	37	42	46	49	52
L_W´ dB		58	66	66	70	74	77	80	80	82	84
L_WA´ dB(A)		38	45	50	55	59	62	68	68	70	72

Table 2. Sound power level in the extract air duct
Sound power level in the extract air duct (one duct) by octave band L_W´ dB
Adjustment position (%)		10	20	30	40	50	60	70	80	90	100
Medium frequency of the octave band Hz	63	50	51	55	59	64	65	68	72	76	76
	125	38	48	50	53	54	55	57	57	59	59
	250	33	39	45	48	52	60	63	63	64	64
	500	24	30	36	39	42	46	49	50	52	53
	1000	18	26	31	36	39	43	45	48	50	51
	2000	13	18	25	30	35	38	41	44	46	47
	4000	17	17	18	20	24	29	32	35	38	39
	8000	21	21	21	21	21	22	23	25	28	30
L_W´ dB		50	53	56	61	65	67	70	73	77	77
L_WA´ dB(A)		30	36	40	44	48	53	56	57	59	59

Table 3. Sound pressure level coming through the envelope
Sound pressure level coming through the envelope of the unit in the room in which it is installed (10 m² sound absorption)
Adjustment position (%)	10	20	30	40	50	60	70	80	90	100
L_pA, dB (A)	24	26	29	34	39	41	44	47	49	49

You can calculate the sound values for each operating point with the Vallox MySelecta control panel.