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	53	60	67	71	74	78	81	83	84
	125	48	56	61	66	70	74	76	78	80
	250	46	53	58	62	65	69	71	74	76
	500	40	48	56	57	60	62	65	67	69
	1000	31	42	50	55	58	61	64	65	67
	2000	18	32	40	46	52	56	60	62	64
	4000	17	20	30	38	44	49	53	56	58
	8000	21	21	25	34	42	48	53	57	59
L_W, dB		55	62	69	73	76	80	83	85	86
L_WA, dB(A)		41	49	56	60	63	67	69	72	73

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	54	56	62	65	69	72	75	77	79
	125	42	44	50	53	58	61	64	66	68
	250	34	41	46	50	53	56	60	62	64
	500	26	35	40	43	46	49	52	55	56
	1000	18	27	34	38	41	44	47	50	51
	2000	13	17	24	29	33	36	39	42	44
	4000	17	17	17	18	20	23	27	31	33
	8000	21	21	21	21	21	22	24	26	29
L_W, dB		55	57	62	66	70	72	75	78	79
L_WA, dB(A)		32	38	43	46	50	53	56	59	60

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)	21	24	30	32	35	39	42	45	47

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