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	100
Medium frequency of the octave band Hz	63	54	63	69	74	76	80	84	87	86
	125	50	56	62	66	70	73	77	80	81
	250	46	54	59	63	66	69	72	74	77
	500	40	48	54	57	61	63	66	68	71
	1000	34	44	51	55	60	62	64	66	68
	2000	21	35	44	49	54	57	61	63	66
	4000	17	23	34	41	47	51	55	58	61
	8000	21	21	26	34	42	47	52	56	59
L_W, dB		56	65	70	75	78	81	85	88	88
_LWA, dB(A)		42	50	57	61	64	67	70	73	75

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	100
Medium frequency of the octave band Hz	63	51	55	63	66	70	73	76	78	79
	125	43	46	52	55	60	63	66	68	71
	250	33	38	44	47	51	55	58	61	63
	500	29	38	44	47	51	53	57	59	61
	1000	23	32	38	42	46	49	52	54	57
	2000	13	17	24	29	33	36	39	42	44
	4000	17	17	18	20	23	26	29	32	34
	8000	21	21	21	21	21	22	23	25	27
L_W, dB		52	56	64	66	71	74	76	79	80
L_WA, dB(A)		33	39	45	48	52	55	58	61	63

Table 3. Sound pressure level coming through the envelope
Sound pressure level coming through the envelope from the room in which the unit is installed (10 m² sound absorption)
Adjustment position (%)	10	20	30	40	50	60	70	80	100
L_pA´ dB(A)	24	28	34	33	38	41	44	46	48

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