Sound values

Table 1. Vallox 125MV - Sound power level in the supply air duct
Sound power level in the supply air duct (one duct) by octave band LW´ dB
Adjustment positions (%) 10 20 30 40 50 60 70 80 100
Medium frequency of the octave band Hz 63 84 84 81 80 70 73 73 68 61
125 81 80 74 72 71 68 65 64 57
250 74 74 73 71 69 67 65 71 57
500 76 75 70 64 62 60 63 58 43
1000 70 70 67 67 64 61 58 54 43
2000 64 64 62 59 57 54 51 47 33
4000 59 59 57 55 53 49 45 40 23
8000 55 55 53 50 47 43 38 32 21
LW, dB 87 86 82 81 181 76 75 73 64
LWA, dB(A) 76 75 72 70 68 65 64 64 51
Table 2. Vallox 125 MV — Sound power level in the extract air duct
Sound power level in the extract air duct (one duct) by octave band LW´ dB
Adjustment position (%) 10 20 30 40 50 60 70 80 100
Medium frequency of the octave band Hz 63 82 82 81 79 78 74 69 66 56
125 78 78 72 69 67 64 62 58 48
250 68 68 67 66 65 61 58 55 46
500 56 56 54 52 56 49 46 43 30
1000 50 50 48 47 45 42 39 35 24
2000 44 44 43 41 39 35 32 27 16
4000 37 37 36 34 31 28 24 20 16
8000 32 32 30 28 25 23 21 20 20
LW, dB 84 83 82 80 78 75 50 67 57
LWA, dB(A) 65 65 62 60 59 56 53 49 40
Sound pressure level coming through the envelope of the unit in the room in which it is installed (10m² sound absorption)
Adjustment position 10 20 30 40 50 60 70 80 100
LpA, dB (A) 26 30 36 41 43 44 45 47 47

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