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PLAN THE DUCT RUN
1. Make a sketch of the total system. Identify the type of each fitting and the length of straight pipe.
2. Enter your run into the 'Duct Length Chart' in the next section.
Example I Example 2
__ _.5"to 6" Transition to 6" Transition
2' of 6" Round
2' of 6" ound
Elbow
.6' Elbow 6" Round
\ 6" Elbow
' \ 4' of 6" Round )_"
6" Elbow ;"Elbow
4' of 6" Round
. 6 of 6 Round
31/4" X10"Transition
6" WallCap
10'of 3¼"x 10"Straig C,..,.
DUCT LENGTH CHART
1. Elbows, wall caps and other fittings are shown in the table on page 3 with their equivalent straight duct
length. Each fitting value must be added to the amount of straight duct length used, to determine the
overal! straight duct equivalent length.
2. Using the examples above:
ExampleI Example2
DuctFitting No.ofFittings TotalEquivalent DuctFitting No.ofFittings TotalEquivalent
Equivalent Length-Fittings Equivalent Length-Fittings
Length Length
5"to6"Transition 1 1 1 5"to6"Transition 1 1 1
6"Straight "f 2+4+6= 12 12 6"Straight t 2+4+6+4= 16 "t6
6"Elbow 5 2 10 6"Elbow 5 3 15
6"WallCap 0 1 0 6"to31/:_' x10"
Transition 1 1 1
Total 23 31/4,x10,Straight 1 10 10
31/4"x 10"WallCap 0 1 0
Total 43
INSTALL THE DUCT HARDWARE
1. Using good quality ducting material, install per these instructions. Follow the General Considerations
page 1, Do's and Don'ts box on page 4, and Grill-Range Installation Instructions. A few minutes an£1
pennies spent now will pay long term dividends for the life of the range.
2