ARIA EC-AGU-0909-E Page 9
Acoustic data
Sound power to an available static pressure of 40 Pa
ARIA EC –
Size 10 & 20
Spectrum per octave band (Hz)
Control
voltage
Volts
Airflow
(m
3
/h)
125 250 500 1000 2000 4000 8000 global dBA
Lw Total
(dBA)
Supply 44 46 44 39 32 23 - 45
Return 46 40 46 40 28 21 - 45
2 100
Radiated 39 33 40 37 34 32 23 42
49
Supply 45 46 44 40 33 24 - 45
Return 47 40 47 41 29 22 - 46
4 160
Radiated 39 33 40 37 35 33 24 43
49
Supply 44 39 47 42 36 27 21 47
Return 50 44 50 39 30 25 20 48
6 265
Radiated 44 38 42 45 43 40 27 49
53
Supply 49 52 50 44 41 35 25 51
Return 55 51 55 42 40 38 34 53
8 385
Radiated 44 42 45 48 37 30 23 50
56
Supply 59 59 51 45 42 41 33 54
Return 66 59 57 44 43 46 43 58
10 445
Radiated 52 49 45 48 38 36 31 50
60
ARIA EC –
Size 30
Spectrum per octave band (Hz)
Control
voltage
Volts
Airflow
(m
3
/h)
125 250 500 1000 2000 4000 8000 Global (dBA)
Total
(dBA)
Supply
58 53 50 42 35 22 -1 50
Return
58 55 47 39 27 18 -1 49
2 130
Radiated
53 48 42 38 31 22 -1 44
53
Supply
67 62 59 51 46 36 27 59
Return
68 65 57 49 38 32 25 59
4 250
Radiated
62 57 51 47 42 36 31 53
63
Supply
56 58 56 51 46 39 29 57
Return
58 52 58 45 40 39 32 56
6 500
Radiated
48 43 47 51 37 30 29 52
60
Supply
58 60 59 53 50 44 34 60
Return
60 56 60 47 45 43 39 58
8 680
Radiated
50 49 51 55 43 36 29 56
63
Supply
68 68 60 54 51 49 42 63
Return
70 64 61 49 48 50 48 62
10 800
Radiated
59 56 52 55 44 43 38 57
66
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