Greenheck Fan Corp. QEI-L Manual

A SERVICE OF

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P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com

Greenheck warrants this equipment to be free from defects in material and workmanship for a period

of one year from the shipment 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.

As a result of our commitment to continuous improvement, Greenheck reserves the right to change

specifications without notice.

OurWarranty

Prepared to Support

Green Building Efforts

Specifications

00.CVI.1018 R7 5-2012 IP

Copyright © 2012 Greenheck Fan Corp.

Model QEI-L, QEI-I/II and QEID

Supply,exhaust,orreturnairfansshallbe

oftheinlinemixedflowtype.

Thehousingshallbeconstructedofwelded

heavy-gaugesteeltoassurenoairleakage.

Housingshallhaveinletandoutletcollars

forslip-fitductconnections.Thehousing

andbearingand/ormotorsupportsshallbe

constructedofheavy-gaugesteelmembers

topreventvibrationandrigidlysupportthe

shaftandbearings.Weldedsteelvanes

shallstraightentheflowofairfromthefan

discharge.

AllQEI-LandQEI-I/IIunitsupthroughsize

27shallincorporateauniversalmounting

systemthatallowsthefantobemountedin

eitherverticalorhorizontalconfigurations

andfieldrotationofthemotorpositionin

90degreeincrements.Bearinglifeshallnot

bereducedbelowspecifiedlevelindifferent

configurations.QEI-I/IIunitssize30and

largershallallowforfieldrotationofmotor

positions.Unitsshallaccommodatebase

mountorceilinghungmountingwithout

structuralmodificationstothefan.

Thewheelshallbeofthemixedflowtype.

Wheelsshallhaveawheelcone,spherical

backplateandsinglethicknesscambered

blades.Wheelsshallbestaticallyand

dynamicallybalancedtobalancegrade

G6.3perANSIS2.19.Thewheelconeand

faninletconeshallbecarefullymatched

andshallhavepreciserunningtolerances

formaximumperformanceandoperating

efficiency.

Eachassembledfanshallbetestrunat

thefactoryatthespecifiedfanRPM.The

maximumallowablefanvibrationshallbe

0.15in/sec.peakvelocity,filter-infor

QEI-I/IIwithsignaturestakenoneach

bearinginthreeplanes;horizontal,vertical,

andaxial.Maximumvibrationof0.08in/sec.

peakvelocity,filter-inforQEIDinasingle

planeonthefanhousing.Thisreportshall

beprovidedatnochargetothecustomer

uponrequest.

Inletandoutletsoundpowerlevelsshallbe

providedforeachoftheeightoctavebands

atthepointofoperation.

FansshallbelicensedtobeartheAMCA

SealforSoundandAirPerformance.

MixedflowfansshallbeModelQEI-L,

QEI-I/IIorQEIDasmanufacturedby

GreenheckFanCorporation,Schofield,

Wisconsin,USAandshallbesuppliedas

shownontheplansandinthefanschedule.

Additional Belt Drive Specification

Turned,precisiongroundandpolishedsteel

shaftsshallbesizedsothefirstcritical

speedisatleast25%overthemaximum

operatingspeed.Closetolerancesshallbe

maintainedwheretheshaftmakescontact

withthebearings.

Bearingsshallbeheavy-duty,grease

lubricated,self-aligningballorrollertype

withextendedlubricationlines.

QEI-I/IIandQEI-L(horizontalmount)

bearingsshallbeselectedforaminimum

lifeL

10

of80,000(L

50

of400,000)hoursat

maximumoperatingspeed.QEI-L(vertical

mount)bearingsshallbeselectedfora

minimumlife,L

10

of50,000(L

50

of250,000)

hoursatmaximumoperatingspeed.