GE CV936 Owner's Manual And Installation Instructions

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Contents

10Installation InstructionsDUCT FITTINGS TotalEquivalent Quantity EquivalentDuct Piece Dimensions Length* Used Length7″ Round, 1 ft.straight (per footlength)3-1⁄4″ x 12″ 1 ft.straight (per footlength)7″ 90° elbow 14 ft.7″ 45° elbow 9 ft.3-1⁄4″ x 12″90° elbow 15 ft.3-1⁄4″ x 12″45° elbow 9 ft.3-1⁄4″ x 12″90° flat elbow 36 ft.7″ round to3-1⁄4″ x 12″transition 1 ft.3-1⁄4″ x 12″ to 7″ roundtransition 1 ft.7″ round to3-1/4″ x 12″transition 90° elbow 4 ft.3-1⁄4″ x 12″ to 7″ roundtransition 90° elbow 4 ft.7″ Roundwall capwith damper 28 ft. (21 ft. without damper)3-1⁄4″ x 12″wall cap withdamper 26 ft. (19 ft. without damper)7″ Roundroof cap 39 ft.Roundroof vent 24 ft.Use this chart to compute maximumpermissible lengths for duct runs tooutdoors.Do not exceed maximum permissible equivalentlengths!Maximum duct length:100 foot for vent hoods.Flexible ducting:If flexible metal ducting is used,all the equivalent feet values inthe table should be doubled.The flexible metal duct shouldbe straight and smooth andextended as much as possible.Do NOT use flexible plastic ducting.Total Duct RunAny home ventilation system, such as aventilation hood, may interrupt the proper flow ofcombustion air and exhaust required by fireplaces,gas furnaces, gas water heaters and other naturallyvented systems. To minimize the chance of interruptionof such naturally vented systems, follow the heatingequipment manufacturer’s guidelines and safetystandards such as those published by NFPA and ASHRAE.*Actual length of straight duct plus duct fitting equivalent.Equivalent length of duct pieces are based on actualtests conducted by GE Evaluation Engineering andreflect requirements for good venting performancewith any ventilation hood.This Hood Must Use 7″ RoundDuct. It Can Transition To3-1/4″ x 12″ DuctUsing a smaller diameter duct sizewill reduce performanceKit – JXDW1Order kit JXDW1 if your installationrequires horizontal ducting from thetop of the hood through the backwall and:• You have an 8 ft. ceiling and need touse a JXCH Series Chimney Cover, or• You have a 12″cabinet or 12 soffitthat the hood is to be mountedbeneath.This kit provides a duct transitionfrom 7″ round to 31⁄4″ x 10″rectangular for through-the-wallNote:Note:venting.″