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	62	62	65	66	70	71	73	74	77	79
	125	52	55	57	59	62	63	65	66	68	68
	250	52	58	61	64	68	66	67	68	69	70
	500	47	52	56	60	63	79	72	81	76	75
	1000	39	45	50	54	58	61	63	64	66	67
	2000	27	36	43	48	52	55	57	59	62	62
	4000	19	26	35	41	45	50	52	54	56	57
	8000	21	21	23	28	33	39	43	46	48	49
L_W, dB		63	64	67	70	73	80	77	82	80	81
L_WA, dB(A)		48	53	57	61	64	76	71	78	75	74

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	53	52	56	62	65	69	71	71	73	74
	125	43	46	49	52	55	59	62	65	66	67
	250	35	41	54	47	50	52	54	56	57	58
	500	24	30	35	39	43	48	50	52	57	53
	1000	20	26	31	35	38	41	44	46	48	49
	2000	13	15	20	24	27	31	33	36	38	38
	4000	17	17	17	18	20	23	26	28	30	31
	8000	21	21	21	21	21	21	22	22	23	24
L_W, dB		53	53	59	62	66	69	72	72	74	76
L_WA, dB(A)		33	36	46	43	47	50	52	55	57	57

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)	22	25	28	32	34	36	38	43	41	41

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