Sound values

Table 38. Sound power level in the supply air duct

Sound power level in the supply air duct by octave band L_W´ dB
Adjustment position		4 %	14 %	22 %	33 %	41 %	50 %	55 %	66 %	75 %	100 %
Air flow dm³/s		8.6	15	16.9	37.7	45.1	53.5	57.3	67.4	73.3	82.3
Air flow m³/h		30.96	54	60.84	135.72	162.36	192.6	206.28	242.64	263.88	296.28
Medium frequency of the octave band Hz	63	*56	*58	*63	67	70	72	75	77	79	80
	125	52	62	63	65	67	69	71	74	76	78
	250	44	52	57	64	70	66	70	71	72	74
	500	40	49	53	58	61	64	65	69	71	74
	1000	32	41	46	51	55	58	60	63	67	68
	2000	*24	34	40	47	51	55	57	61	63	65
	4000	*23	*25	31	38	43	48	50	55	57	60
	8000	*21	*21	*23	30	35	41	44	51	53	56
L_W´ dB		*58	*64	67	71	74	75	78	80	82	84
L_WA´ dB(A)		41	50	54	60	64	65	67	70	73	75

Table 39. Sound power level in the extract air duct

Sound power level in the extract air duct by octave band L_W´ dB
Adjustment position		4 %	14 %	22 %	33 %	41 %	50 %	55 %	66 %	75 %	100 %
Air flow dm³/s		11.3	24.4	34.3	45.6	55.6	65.9	72.6	83	91.5	99.2
Air flow m³/h		40.68	87.84	123.48	164.16	200.16	237.24	261.36	298.8	329.4	357.12
Medium frequency of the octave band Hz	63	62	*53	*56	*58	*61	64	67	68	70	71
	125	52	58	58	61	64	67	69	70	73	74
	250	35	45	50	57	60	60	62	62	62	63
	500	*27	*34	40	44	48	51	53	55	57	62
	1000	*16	*23	28	33	36	39	42	44	46	48
	2000	*14	*17	*23	29	32	36	38	41	43	44
	4000	*16	*16	*17	*21	*24	*28	31	34	36	39
	8000	*20	*20	*20	*20	*20	*21	*22	*24	26	29
L_W´ dB		62	*59	61	64	67	69	72	73	75	77
L_WA´ dB(A)		39	43	45	50	54	55	57	58	59	62

Table 40. Sound pressure level (A)

Sound pressure level, in decibels (A) coming through the envelope from the room in which the unit is installed (10m² sound absorption)
Adjustment position	4 %	14 %	22 %	33 %	41 %	50 %	55 %	66 %	75 %	100 %
Air flow dm³/s	13/15	21/24	29/32	39/41	43/46	55/58	60/62	69/72	76/78	84/85
Air flow m³/h	46.8/54	75.6/86.4	104.4/115.2	140.4/147.6	154.8/165.6	198/208.8	216/223.2	248.4/259.2	273.6/280.8	302.4/306
L_pA´ dB(A)	*21	*26	30	36	38	42	43	46	48	50