Greenheck-fan Mixed Flow Fans Belt and Direct Drive QEI-L Uživatelský manuál stáhnout pdf (Strana 5)

Inlet and Outlet Sound Power Levels

AllGreenheckmixedflowfanshaveAMCAlicensedsoundpowerlevelsforboththe

faninletandoutlet.

Applicationandinstallationdetermineswhichsoundpowerreading(inlet,outlet,

orboth)iscritical.Thedifferencesbetweenthegeneratedsoundfromtheinletand

outletareimportantandnoticeable.AMCAlicensedinletandoutletsoundpower

dataprovidescompletesoundinformationtoselectafanbasedontheacoustical

requirements.Foradditionalinformationonsound,refertopage6.

AutoCAD

and 3-D Revit

Models

ScaledAutoCAD

drawingsandRevit

models

areavailablethroughGreenheck’swebsite

orfromtheGreenheckCAPSprogram

whichretrievesdrawingsandplacesthem

automaticallyintoajobfolder.

Field Rotatable Housing / Compact Size

TheQEI-LandQEIaredesignedtoaccommodatechangingfan

mountingpositionsandmotororientationinthefield.Mounting

fixturesaresecurelyboltedtothefancasingandcanberelocated

torepositionhowthefanisinstalledorthepositionthemotoris

oriented.Flexibilityinamotor’slocationisimportantforeasier

accessandcandeterminewheretheunitwillfit.Lastminute

designchangesorunexpectedobstaclesduringinstallationare

nolongeraproblem.

Greenheck’smixedflowfansweredesignedforcompactsize.

Keepingsizetoaminimumisimportantwhenfittingintotight

spaceslikemechanicalroomsorairhandlers.

Patented (QEI/QEID)

USAPatentNo.7048499

China(P.R.)PatentNo.CN1294361C

MexicoPatentNo.243465

Slip-Fit Duct Connections

TheinletandoutletendsoftheQEI-I/IIandQEIDaredesignedto

accept“slip-fit”connections.Oftencompanionflangesarebolted

toafan’sinlet/outletflangetoprovideaslip-fitconnectionfora

flexiblesleeve,aswiththeQEI-L.Thisextrastepisnoweliminated

bydirectlyattachingtheflexiblesleevetotheductandfan.This

savestimeandmoneyintheinstallationprocess.

Itisrecommendedtouseaflexiblesleeveconnectioninsteadofa

rigidductconnection.

Theadvantagesofaflexibletransitionare:

• Decreasedsoundtransmissionin

theductwork

• Flexibleconnectionsallowforminor

misalignment

• Accommodatestheuseofthrust

restraintstoresistthrustloads

Greenheck’sSoundLab

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Greenheck-fan Mixed Flow Fans Belt and Direct Drive QEI-L Uživatelský manuál Strana 5

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