Victory Tornado - Calculating Vent System Length

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IMPORTANT:
• A minimum of 8” round (standardforthisrangehood)rectangularduct6”x10”(purchasedseparately)
mustbeusedtomaintainmaximumairowefciency.
• Alwaysuserigidtypemetal/aluminumductsifavailabletomaximizeairowwhenconnectingtoprovided
duct.
• PleaseuseDuct Run Calculation below to compute total available duct run when using elbows, transitions
and caps.
• ALWAYS,whenpossible,reducethenumberortransitionsandturns.Iflongductrunisrequired,increase
ductsizefrom8”to9”or10”.Ifareducerisused,installalongreducerinsteadofapancakereducer.Re-
ducingductsizewillrestrictairowanddecreaseairow,thusreduceductsizeasfarawayfromopeningas
possible.
• Ifturnsortransitionsarerequired:Installasfarawayfromopeningandasfarapart,between2,aspossible.
• Minimum mount height between stove top to hood bottom should be no less than 28-inch*.
• Maximummountheightbetweenstovetoptohoodbottomshouldbenohigherthan36-inch*.
• Itisimportanttoinstallthehoodatthepropermountingheight.Hoodsmountedtoolowcouldresultinheat
damageandrehazard;whilehoodsmountedtoohighwillbehardtoreachandwilllooseitsperformance
andefciency.
• Ifavailable,alsorefertostovetopmanufacturer’sheightclearancerequirementsandrecommendedhood
mounting height above range.
*Duetodifferentceilingheightcongurations,recommendedheightmaynotbeapplicable.
Minimum Duct Size:
• Round - 8” minimum
Duct Run Calculation:
Recommendedmaximumrun
8” 50 ft
Ventpiecededuction
Each90ºelbowused 9ft
Each45ºelbowused 5 ft
Each8”to3/14x10”transitionused 7ft
Sidewallcapwithdamper 0 ft
Roof cap 0 ft
Duct Run Calcuation example:
One roof cap, two 90º elbow, and one 45º elbow used:
0ft + 9ft + 9ft + 5ft = 23ft used.
Deduct 23ft from 50ft, 27ft maximum available for
straight duct run.
Calculating Vent System Length
Tocalculatethelengthofthesystemyouneed,deducttheequivalentfeetforeachventpieceusedinthesystem
fromtherecommendedmaximumductrun.