Sound values

Table 1. Sound power level in the supply air duct
Sound power level in the supply air duct by octave band L_W´ dB
Adjustment position (%)		10	20	30	40	50	60	70	80	100
Medium frequency of the octave band Hz	63	57	61	64	65	68	70	73	79	81
	125	51	54	58	60	62	64	66	68	69
	250	45	50	55	57	62	61	64	66	66
	500	40	46	51	53	57	59	63	66	68
	1000	32	39	45	47	51	55	59	64	64
	2000	20	30	37	41	44	47	49	52	52
	4000	18	22	29	35	40	44	47	50	51
	8000	21	21	23	27	33	38	43	47	47
L_W´ dB		58	62	66	67	70	72	75	80	82
L_WA´ dB(A)		42	47	52	54	59	60	64	67	68

Table 2. Sound power level in the extract air duct
Sound power level in the extract air duct by octave band L_W´ dB
Adjustment position (%)		10	20	30	40	50	60	70	80	100
Medium frequency of the octave band Hz	63	60	58	58	61	64	64	71	70	72
	125	51	52	54	54	57	59	60	62	62
	250	30	34	38	40	45	45	47	49	50
	500	31	38	40	42	45	49	51	56	56
	1000	21	26	30	33	36	40	42	45	46
	2000	14	15	20	24	28	30	33	35	36
	4000	18	17	17	17	18	20	22	24	25
	8000	21	21	21	21	21	21	21	21	21
L_W´ dB		61	59	59	62	65	65	72	71	73
L_WA´ dB(A)		38	40	42	43	46	49	52	55	55

Table 3. Sound pressure level coming through the envelope (no standard extraction through the hood in the kitchen)
Sound pressure level coming through the envelope of the unit in the room in which it is installed (no standard extraction through the hood in the kitchen)
Adjustment position (%)	10	20	30	40	50	60	70	80	100
L_pA, dB (A)	21	24	28	29	32	35	38	40	40

Table 4. Sound pressure level coming through the envelope (standard extraction 8 dm³/s through the hood in the kitchen)
Sound pressure level coming through the envelope of the unit in the room in which it is installed (10m² sound absorption)
Adjustment position (%)	22	40
L_pA, dB (A)	28	32

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