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	55	66	73	76	80	83	85	86	87
	125	50	58	64	68	72	76	79	83	84
	250	52	57	63	65	68	72	74	77	78
	500	41	48	53	57	61	64	67	69	71
	1000	53	47	52	57	60	64	65	67	68
	2000	23	34	43	48	53	58	62	64	66
	4000	18	23	35	44	50	55	59	62	63
	8000	21	22	28	39	47	54	58	62	63
L_W, dB		59	68	74	77	81	84	86	88	89
L_WA, dB(A)		53	52	58	62	66	69	72	75	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	53	58	63	67	73	78	78	79	79
	125	45	50	56	61	65	69	73	75	75
	250	40	39	44	49	54	57	60	63	64
	500	30	37	43	47	50	53	56	58	59
	1000	32	33	36	41	44	48	50	52	53
	2000	14	22	30	34	38	42	45	48	48
	4000	17	17	19	23	27	31	35	38	39
	8000	21	21	21	22	24	28	32	35	36
L_W, dB		54	59	64	68	74	79	79	80	81
L_WA, dB(A)		37	40	45	50	54	58	60	63	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)	28	27	32	35	39	43	46	48	49

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