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TRNYE <br /> Fan Performance <br /> Table 27. Direct drive plenum fan settings (rpm vs. voltage)(a)(b) <br /> WSC120E <br /> Potentiometer Voltage Motor RPM <br /> 2.34 504 <br /> 2.50 543 <br /> 2.75 605 <br /> 3.00 668 <br /> 3.25 732 <br /> 3.50 797 <br /> 3.75 863 <br /> 4.00 929 <br /> 4.25 995 <br /> 4.50 1061 <br /> 4.75 1126 <br /> 5.00 1191 <br /> 5.25 1253 <br /> 5.50 1315 <br /> 5.75 1374 <br /> 6.00 1432 <br /> 6.25 1487 <br /> 6.50 1539 <br /> 6.75 1588 <br /> 7.00 1633 <br /> 7.25 1675 <br /> 7.50 1700 <br /> (a)See fan tables for unit RPM and CFM units. <br /> (b)Factory setting is 5V <br /> Table 28. Outdoor sound power level -dB(ref. 10- 12W) <br /> Unit Model Octave Center Frequency Overall <br /> Tons Number 63 125 250 500 1000 2000 4000 8000 dBA <br /> 3 WSC036E 77 85 79 78 75 71 66 59 80 <br /> 4 WSC048E 81 82 83 81 77 72 66 59 82 <br /> 5 WSC060E 81 87 84 85 83 78 73 67 87 <br /> 6 WSC072E 91 95 90 87 84 79 75 68 89 <br /> 71/2 WSC090E 94 89 87 85 84 78 75 69 88 <br /> 10 WSC120E 89 87 91 85 80 77 73 66 87 <br /> Note: Tests follow ARI270-95. <br /> PKGP-PRC013K-EN 45 <br />