KitchenAid KECD805EWH0 Handleiding voor installatie-instructies - Pagina 4

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Determine equivalent length of duct. Maximum
equivalent length of duct is 60 ft.
List the number of each piece and length of straight duct you will use.
Multiply the equivalent length by the number of pieces. Add the totals
to get the total equivalent length of your system.
Duct
Piece
straight duct per lineal foot
3-W
x 10"
6' round
6' flexible
elbow
Equivalent
No. of
Total
Length
Pieces/
Equivalent
Length
Length
1 It.
1 ft.
2 ft.
6' round
45" elbow
I
2.5fta
I
I
6" round SO" elbow
/5n.
I
3-W
x 10" flat elbow
12rt.
I
3-l/4"
x 10'90'
elbow
transition to round
3-W
x 10" to 6'90"
elbow
@3L
air flow
3-l/4"
x 10" to 6"
5 ft.
9 ft.
4.5 ft.
Mall cap*
33
3-W
x 10'
Oft.
6" round
0 ft.
.oof cap*
z@
10' x IO'
0 ft.
:hermal break
6" round
2ft.
Total equivalent duct system length
90" elbows (3)
= 15ft.
12 feet straight
= 12ft.
Wall cap
= oft.
Equivalent length of 6" round system
= 271%
Note: Flexible metal duct is Not recommended.
If it is used, calculate each foot of flexible duct as two
feet of straight metal ductwork. Flexible metal elbows
count twice as much as standard elbows.
* Length for required wall/roof cap has already been incorporated
into rating for maximum duct system length. A suitable wall/roof
cap must be used.
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