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	57	61	65	68	70	74	75	78	79	79
	125	44	47	52	56	60	63	66	68	70	70
	250	34	41	46	50	53	57	59	62	64	64
	500	26	35	41	44	48	51	53	55	58	58
	1000	17	24	30	34	38	41	44	47	49	49
	2000	13	15	20	24	28	32	35	37	40	40
	4000	17	17	17	18	21	23	26	28	31	31
	8000	21	21	21	21	21	21	22	23	25	25
L_W, dB		57	61	65	68	71	74	76	78	79	79
_LWA, dB(A)		34	39	44	47	51	54	56	59	60	60

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

Table 3. Sound pressure level (A)
Sound pressure level, in decibels (A) 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%	90%	100%
L_pA´ dB(A)	24	28	34	33	37	41	44	46	48	48

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