&MGPEVDU.5
13.3 Sound levels
Minimum speed
Size
Sound power level (dB)
Sound power
level
Sound pressure
level
Octave band (Hz)
63 125 250 500 1000 2000 4000 8000 dB(A) dB(A)
15 51 55 59 54 53 51 43 38 58 47
21 52 56 60 55 54 52 44 39 59 48
25 52 56 60 55 54 52 44 39 59 48
31 59 62 65 62 60 58 51 49 65 54
41 60 63 66 63 61 58 52 50 66 55
51 60 63 66 63 61 58 52 50 66 55
61 60 61 62 60 58 55 48 40 63 52
71 60 61 62 60 58 55 48 41 63 52
Medium speed
Size
Sound power level (dB)
Sound power
level
Sound pressure
level
Octave band (Hz)
63 125 250 500 1000 2000 4000 8000 dB(A) dB(A)
15 59 62 65 60 63 57 51 48 64 53
21 60 63 66 61 60 58 52 49 65 54
25 60 63 66 61 60 58 52 49 65 54
31 63 67 71 67 65 63 58 56 71 60
41 64 68 72 68 66 63 58 57 72 61
51 64 68 72 68 66 63 58 57 72 61
61 66 68 70 67 65 62 57 53 70 59
71 66 68 70 67 65 62 57 53 70 59
Max speed
Size
Sound power level (dB)
Sound power
level
Sound pressure
level
Octave band (Hz)
63 125 250 500 1000 2000 4000 8000 dB(A) dB(A)
15 61 66 71 65 64 61 57 54 69 58
21 62 67 72 66 65 62 58 55 70 59
25 62 67 72 66 65 62 58 55 70 59
31 65 69 73 69 67 65 60 58 73 62
41 66 70 74 70 68 65 60 59 74 63
51 66 70 74 70 68 65 60 59 74 63
61 69 71 73 70 68 65 60 57 73 62
71 69 71 73 70 68 65 60 57 73 62
The sound levels refer to ceiling units without false ceiling, fan supply 220V.
The sound pressure level refers to a distance of 1m from the outer surface of the unit operating in an open eld.
13.4 Exchanger pressure drops
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