Roof fans
Roof fans
Roof fans
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<strong>Roof</strong> <strong>fans</strong><br />
TFDX 400-4<br />
Mid-frequency band, Hz<br />
Hz Tot 63 125 250 500 1k 2k 4k 8k<br />
L wA Inlet dB(A) 71 62 62 60 65 65 62 57 52<br />
L wA Surrounding dB(A) 78 55 65 70 73 73 68 61 56<br />
With TG 640-800<br />
L wA Inlet dB(A) 66 61 60 56 58 56 56 53 48<br />
With SSD 450/499/500<br />
L wA Inlet dB(A) 63 60 57 52 52 45 40 36 34<br />
Measuring point: q v = 0,49 m 3 /s, P s = 254 Pa<br />
TFDX 450-4<br />
Mid-frequency band, Hz<br />
Hz Tot 63 125 250 500 1k 2k 4k 8k<br />
L wA Inlet dB(A) 76 62 66 67 72 70 68 62 56<br />
L wA Surrounding dB(A) 83 60 70 76 78 78 72 65 60<br />
With TG 640-800<br />
L wA Inlet dB(A) 71 61 64 63 65 61 62 58 52<br />
With SSD 450/499/500<br />
L wA Inlet dB(A) 66 60 61 59 59 50 46 41 38<br />
Measuring point: q v = 0,63 m 3 /s, P s = 324 Pa<br />
TFDX 500-6<br />
Mid-frequency band, Hz<br />
Hz Tot 63 125 250 500 1k 2k 4k 8k<br />
L wA Inlet dB(A) 69 60 56 60 64 63 60 55 47<br />
L wA Surrounding dB(A) 74 55 59 67 69 69 63 57 50<br />
With TG 640-800<br />
L wA Inlet dB(A) 64 59 54 56 57 54 54 51 43<br />
With SSD 450/499/500<br />
L wA Inlet dB(A 60 58 51 52 51 43 38 34 29<br />
Measuring point: q v = 0,66 m 3 /s, P s = 144 Pa<br />
Electrical accessories<br />
Transformer p. 486 Thermal protection p. 502<br />
237
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