Greenheck Fan QEP, QEM manual Design and Selection Support, Quiet dependable operation

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Design and Selection Support

Computer Aided Product Selection Program — CAPS

All Greenheck products are supported by the industry’s best product literature, electronic media, and Computer Aided Product Selection program, CAPS. Online, you can also find electronic copies of our product literature as well as storage, installation and maintenance information in our Installation and Operation Manuals.

And, of course, you can always count on the personal service and expertise of our national and international representative organization. To locate your nearest (SFFOIFDLSFQSFTFOUBUJWFDBMMPSWJTJUPVS website at www.greenheck.com

To-Scale Drawings and Fan Specifications

To-scale CAD drawings along with detailed centrifugal specifications can be found online at www.greenheck.com or within our Computer Aided Product Selection program (CAPS).

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Greenheck delivers value

top quality, innovative air-

And building owners and

to mechanical engineers by

related equipment. We offer

occupants value the energy

helping them solve virtually

extra value to contractors

efficiency, low maintenance

any air quality challenges

by providing easy-to-install,

and quiet dependable operation

their clients face with a

competitively priced, reliable

they experience long after the

comprehensive selection of

products that arrive on time.

construction project ends.

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Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the purchase date. Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid. Motors are warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck prove defective during this period, they should be returned to the nearest authorized motor service station. Greenheck will not be responsible for any removal or installation costs.

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Prepared to Support Green Building Efforts

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QEM and QEP, Rev. 2, September 2008 SP

Copyright © 2008 Greenheck Fan Corp.

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Contents Plenum Fans Quiet & Efficient Plenum Fans Advantages of the QEM vs. QEPPlenum Model Number Code QEM arrangement 9 belt drivePerformance Comparison Vs -Blade Wheels Advantages of 12-Blade WheelsAir Performance Sound PerformanceStandard Construction Features QEM Arrangement Motor on Right QEP ArrangementStandard Construction and Features Optional Construction Optional Construction & Accessories Arrangements Left Top Right QEM Arrangement 9 Horizontal, Motor on Frame Side SizesQEM Arrangement 4 Horizontal, Direct Drive Sizes Available Motor on Frame PositionsSystem Considerations Air Plenum Design GuidelinesDuct System Effect Effects of Air DensityAirstream Temperature Variations Plenum Exit Velocity ft/minDirect Drive Selections 1001770 RPM 60 Hz Plenum Size Plenum Size Plenum Size QEP Class Maximum rpm Maximum rpm  3900 Maximum rpm 2786RPM #1 3600 1730 1726 1949 2146 2328 4000 1923  2076 2264 QEP Class Maximum rpm Maximum rpm 26683735 3504 1478QEP Class Maximum rpm  3409 Maximum rpm 2327RPM #1 1428QEP Class Maximum rpm  Maximum rpm 21903065 2824 1041QEP Class Maximum rpm 2744 Maximum rpm 19601087 1389QEP Class Maximum rpm  2382 Maximum rpm 17012107 10000 1801 1006QEP Class Maximum rpm  2144 2144 19462189 1042  10.2QEP Class Maximum rpm Maximum rpm  1949 Maximum rpm 139214000 1688 788 908 1016 1116 12.0 1208QEP Class Maximum rpm Maximum rpm  1720 Maximum rpm 1229RPM #1 18000 1773 717 822 916 11.7 1001  1083 20000 1970 772QEP Class Maximum rpm 949 Maximum rpm  1560RPM #1 26000  822 12.4 899 17.4QEP Class Maximum rpm 860 1215RPM #1 30000 1988 638  718 790  919 980 38.9 33000 2186 684 10.2 761 16.0 829 22.3 892 29.0QEP Class Maximum rpm 780 9031007 42000 2296   713 773 829 882  932 63.4 1028 72.6 1072QEP Class Maximum rpm 704 918 1035RPM #1 40000 1784 484 10.6  618   730 2007    706   806 QEP Class Maximum rpm 637 830 2369    33.0 642730 770 808 112 883 127 70000QEP Class Maximum rpm    692688 724  790 131 821   879  906 218 3766 727 72.0 762 93.0 796  827QEP Class Maximum rpm  683 860 RPM #1 90000 2216 421 28.0 468    617 116  136 683 2339 439 31.1 484Dimensions QEM Arrangement 4 Horizontal, Direct DriveQEP 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 Design and Selection Support Quiet dependable operation