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Greenheck Fan QEM, QEP manual Plenum Fans

Models: QEM QEP

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Plenum Fans

Models QEM and QEP

Belt and Direct Drive

September

2008

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Greenheck Fan QEM, QEP manual Plenum Fans

Contents

Plenum Fans Advantages of the QEM vs. QEP Quiet & Efficient Plenum FansPlenum Model Number Code QEM arrangement 9 belt driveAdvantages of 12-Blade Wheels Performance Comparison Vs -Blade WheelsAir Performance Sound PerformanceQEM Arrangement Motor on Right QEP Arrangement Standard Construction FeaturesStandard Construction and Features Optional Construction Optional Construction & Accessories Arrangements QEM Arrangement 9 Horizontal, Motor on Frame Side Sizes Left Top RightQEM Arrangement 4 Horizontal, Direct Drive Sizes Available Motor on Frame PositionsAir Plenum Design Guidelines System ConsiderationsDuct System Effect Effects of Air DensityPlenum Exit Velocity ft/min Airstream Temperature Variations100 Direct Drive Selections1770 RPM 60 Hz Plenum Size Plenum Size Plenum Size Maximum rpm 2786 QEP Class Maximum rpm Maximum rpm 3900RPM #1 3600 1730 1726 1949 2146 2328 4000 1923 2076 2264 Maximum rpm 2668 QEP Class Maximum rpm3735 3504 1478Maximum rpm 2327 QEP Class Maximum rpm 3409RPM #1 1428Maximum rpm 2190 QEP Class Maximum rpm 3065 2824 1041Maximum rpm 1960 QEP Class Maximum rpm 27441087 1389Maximum rpm 1701 QEP Class Maximum rpm 23822107 10000 1801 10062144 1946 QEP Class Maximum rpm 21442189 1042 10.2Maximum rpm 1392 QEP Class Maximum rpm Maximum rpm 194914000 1688 788 908 1016 1116 12.0 1208Maximum rpm 1229 QEP Class Maximum rpm Maximum rpm 1720RPM #1 18000 1773 717 822 916 11.7 1001 1083 20000 1970 7721560 QEP Class Maximum rpm 949 Maximum rpm RPM #1 26000 822 12.4 899 17.41215 QEP Class Maximum rpm 860RPM #1 30000 1988 638 718 790 919 980 38.9 33000 2186 684 10.2 761 16.0 829 22.3 892 29.0903 QEP Class Maximum rpm 7801007 42000 2296 713 773 829 882 932 63.4 1028 72.6 10721035 QEP Class Maximum rpm 704 918RPM #1 40000 1784 484 10.6 618 730 2007 706 806 2369 33.0 642 QEP Class Maximum rpm 637 830730 770 808 112 883 127 70000692 QEP Class Maximum rpm 688 724 790 131 821 879 906 218 3766 727 72.0 762 93.0 796 827RPM #1 90000 2216 421 28.0 468 QEP Class Maximum rpm 683 860 617 116 136 683 2339 439 31.1 484QEM Arrangement 4 Horizontal, Direct Drive DimensionsQEP Arrangement 1 Horizontal, Motor off Frame QEP Arrangement 1 Vertical, Motor on Frame, Mounted on Side QEP Arrangement 3 Horizontal, Motor off Frame QEP Arrangement 3 Vertical, Motor on Frame, Mounted on Side Quiet dependable operation Design and Selection Support