Greenheck Fan Greenheck QEI Installation Manual for Mixed Flow Fans
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Mixed Flow Fans

Belt and Direct Drive

Models QEI-L, QEI, QEID

May

2012

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Contents Mixed Flow Fans Mixed Flow Fans Quiet & Efficient, InlineModel Number Nomenclature Standard ConstructionMaintenance / Serviceable Construction Advantages Value Added FeaturesQuality Assurance Test Electrostatic Powder CoatingsField Rotatable Housing / Compact Size Inlet and Outlet Sound Power LevelsSlip-Fit Duct Connections AutoCAD and 3-D Revit ModelsMixed Flow Axial/Centrifugal Hybrid Design & PerformanceSound and Efficiency Airflow ProfilesSound Power versus Sound Pressure Wheel CharacteristicsBelt Drive Fan Class Direct Drive Percent Wheel WidthSound Vault Housing Radiated Sound Enclosure Optional FeaturesWhy use a Sound Vault? Zinc Advantage Optional Two-coat Paint SystemCertifications & Listings Belt Drive Advantages Belt Drive versus Direct DriveDirect Drive Advantages Tubular Centrifugal Fan QEI-I Mixed Flow FanQEI-I/II Sizes 9-27 and all QEI-L Belt Drive Mounting ConfigurationsQEI-I/II Sizes Roof Upblast Roof Upblast & Spark Resistant ConstructionSpark Resistant Construction Availability AccessoriesExploded View Direct Drive Selection Charts 870 RPM 60 Hz Qeid Dimensional DataQEI QEI Dimensional DataPerformance Data QEI-9 Class25 kW 381 mm55 kg QEI-12 Class I & QEI-L73 kg 82 kg QEI-12 Class464 mm QEI-15 Class I & QEI-L64 kg 100 kg QEI-15 Class508 mm QEI-16 Class I & QEI-L109 kg QEI-16 Class565 mm QEI-18 Class I & QEI-L87 kg 118 kg141 kg QEI-18 Class622 mm QEI-20 Class I & QEI-L105 kg 163 kg QEI-20 Class686 mm QEI-22 Class I & QEI-L123 kg 168 kg191 kg QEI-22 Class762 mm QEI-24 Class I & QEI-L182 kg 213 kg55 kW QEI-24 Class249 kg 838 mm QEI-27 Class I & QEI-L214 kg 245 kg304 kg QEI-27 Class75 kW QEI-30 Class I & QEI-L927 mm 286 kg454 kg QEI-30 Class1022 mm QEI-33 Class I & QEI-L332 kg 449 kg544 kg QEI-33 Class1130 mm QEI-36 Class I & QEI-L409 kg 635 kg QEI-36 Class1245 mm QEI-40 Class680 kg 862 kg 1378 mm QEI-44 Class907 kg 1043 kg 1524 mm QEI-49 Class1089 kg 1406 kg 11 kW1676 mm QEI-54 Class1315 kg 1633 kg 1854 mm QEI-60 Class1588 kg 1905 kg Model QEI-L, QEI-I/II and Qeid Specifications
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