Greenheck Fan NYB Ventilation Hood User Manual


 
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Model NYD & NYB
Standard Construction Features
Greenheck’s model NYD and NYB tamper-resistant centrifugal roof exhaust fans provide the industry’s
best performance and durability for general clean air applications where tamper resistance is required.
• Performanceascatalogedisassured.AllfansizesaretestedinourAMCAAccreditedLaboratoryand
allmodelsarelicensedtobeartheAMCAAirPerformanceseal.
• Greenhecksubjectstheseproductstoextensivelifetestingassuringyouthefanswillprovideyearsof
reliable performance.
Housingisconstructedentirelyofheavy-gaugegalvanizedsteelandincludeslouvered
vents for positive motor cooling.
Hood is hinged to swing fully open for complete access to all internal components. Open
hood is safely supported and will not drop closed. Hinge is steel with protective coating.
Internalstructuralsupportsareheavy-gaugegalvanizedsteelangles.
Driveframesandmotorsupportsareheavy-gaugegalvanizedsteelandaremountedon
resilient isolators.
Backward-inclined, non-overloading wheel is constructed of aluminum.
Heavy-dutyballbearingmotor.SingleandthreephasefansincludeaNEMA-1switch.
Birdscreen constructed of wire mesh is attached to the structural supports. (Removed
from drawing for easy viewing internally)
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GreenheckFanCorporationcertifiesthattheNYB
and NYD models shown herein are licensed to bear
theAMCASeal.Theratingsshownarebasedon
tests and procedures performed in accordance
withAMCAPublication211andcomplywiththe
requirementsoftheAMCACertifiedRatingsProgram.
TheAMCACertifiedRatingsSealappliestoair
performance ratings only.
Standard
Construction
Features