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	61	65	68	73	73	79	80	81	84
	125	57	61	64	65	68	71	72	74	81
	250	57	64	71	65	67	69	71	73	74
	500	43	48	58	63	60	62	64	70	76
	1000	43	49	54	58	61	64	67	67	70
	2000	33	41	47	51	54	57	59	62	64
	4000	23	32	40	45	49	53	55	57	59
	8000	21	24	32	38	43	47	50	53	55
L_W, dB		64	69	73	75	76	81	81	82	87
_LWA, dB(A)		51	57	64	64	65	68	70	72	76

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	56	61	66	69	74	78	79	81	82
	125	48	53	58	62	64	67	69	72	78
	250	46	50	55	58	61	64	66	67	68
	500	30	36	43	46	49	56	52	54	56
	1000	24	30	35	39	42	45	47	48	50
	2000	16	21	27	32	35	39	41	43	44
	4000	16	17	20	24	28	31	34	36	37
	8000	20	20	20	21	23	25	28	30	32
L_W, dB		57	62	67	70	75	78	80	82	84
L_WA, dB(A)		40	44	49	53	56	59	60	62	65

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	100
L_pA, dB (A)	26	30	36	41	43	44	45	47	47

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