Plenum FansModels QEM and QEPBelt and Direct DriveSeptember2008

10SystemConsiderationsAir Plenum Design GuidelinesTo assure optimum performance and be able to use the system effect coefficients below, the followin

11System Considerations3. System effects for plenum discharges must also be calculated and added to the design pressure. In a properly designed plenu

Direct drive construction offers many advantages for commercial or industrial air handling applications.- Reduced maintenance (no belts and shaft bear

13Direct DriveSelections7PMVNFDGNY1770 RPM (60 Hz)Model QEM4J[FTModel QEP4J[FTStatic Pressure(in. wg)22201827 30 332416001 05 01

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

CFM OVSTATIC PRESSURE (in. wg)123456789RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)16000 1967 1428 1.86 1602 2.96  4.11

Plenum Size CFM OVSTATIC PRESSURE (in. wg)123456789RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)17000  1229 2.07 1392 3.

Greenheck Fan Corporation certifies that the Model QEM and QEP plenum fans shown herein are licensed to bear the AMCA seal. Direct Drive models are no

CFM OVSTATIC PRESSURE (in. wg)123456789RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)18000  1087 2.08   1389 

CFM OVSTATIC PRESSURE (in. wg)123456789RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)110000 1801 1006  1147   

CFM OVSTATIC PRESSURE (in. wg)123456789RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 2189 1042 4.60  7.29  10.2

CFM OVSTATIC PRESSURE (in. wg)123456789RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)114000 1688 788  908 6.24 1016 9.10 1

24Plenum Size1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJP

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

Plenum Size1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPO

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

Plenum Size1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPO

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

9-Blade Wheel 12-Blade WheelOctave BandSound Power (dB) 1 2 3 4 5 6 7 8 LwA100908070Sound PerformanceFigures 2 and 3 show the inlet and outlet sound s

Plenum Size1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPO

1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSG

For additional dimensional data, including QEP Arrangement 4, please refer to the CAPS program.32Size A " #CD8FJHIUMCTI II III I II III12

33QEP Arrangement 1 - Horizontal, Motor on Frame, Mounted on TopSize A " #CDEFMotor Frame Size Range8FJHIU(lbs)Class I Class III II Min Max

QEP Arrangement 3 - Horizontal, Motor off FrameSize A " #C D8FJHIUMCTI II III I II III18    24.63    120 130

QEP Arrangement 3 - Horizontal Motor on Frame, Mounted on SideSizeDimensionsClass I Class IIFrame Size Dimensions8FJHIU (lbs)Frame Size Dimensions8FJH

10#PYt4DIPGJFME8*t1IPOFtHSFFOIFDLDPNQEM and QEP, Rev. 2, September 2008 SPCopyright © 2008 Greenheck Fan Cor

4Standard Construction and FeaturesQEM Arrangement 9 Motor on RightQEP Arrangement 3

Standard Construction and Features12-Blade Aluminum Airfoil Wheel#PUIUIF2&.BOE2&1QMFOVNTGFBUVSFUIFTBNFhigh efficiency and low sound

6Optional ConstructionQEPQEMInlet GuardProtective CageShaft GuardBelt GuardProtective CageStructural Isolation BaseInlet GuardProtective CageBelt Gua

7Optional Construction& AccessoriesInlet GuardAssembled and mounted low-pressure loss, zinc coated guards.Belt GuardCustom guarding with two tach

QEP Arrangement 1 — Horizontal, Motor on Base Sizes 12—73(shown with optional base & belt guard)t /PCFBSJOHTJOUIFGBOJOMFUUPFGGFDUQFSGPSNB

QEM Arrangement 9 — Horizontal, Motor on Frame (Side) Sizes 12—36t $PNQBDUEFTJHOXJUINPUPSNPVOUFEUPTJEFPGGBOt 6TFEJOJOTUBMMBUJPOTXJUIUJHI