Kenmore 721.80404 Standard Fittings, For 3 1/4 x 10 Systems, Les For 6 Round Systems, Transition

Page 9

STEP 2:

PREPARE THE VENTING S YSYTEM

STANDARD FITTINGS

NOTE: If the existing duct is round, you must use a rectangular-to-round adapter, with a rectangular 3" extension duct installed between the damper assembly and the adapter to prevent the exhaust damper sticking.

DUCT LENGTH

The total length of the duct system, including straight duct, elbows, transitions, wall or roof caps must not exceed the equivalent of 140 feet.

For best performance, do not use more than three 90 degree elbows.

Below are the standard fittings and their equivalent length in feet.

3 1/4" x 10" to 6" =Sft.

3 1/4" x 10" roof cap = 24 ft

3 1/4" x 10" 90° elbow = 25 ft

"I-

 

90°elbow = 10 ft

3 1/4" x 10" wall cap

45°elbow = 5 ft

3 1/4" x 10" flat elbow

 

= 40 ft

 

= lOft

 

 

 

Figure 9

To calculate the equivalent length of each duct piece used, see the examples below.

 

For 3 1/4" x 10" SYSTEMS

 

Exam

)les

For 6" ROUND SYSTEMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90° elbows _

6ft.

 

 

3-1/4"x10"

_

6ft. _

wall cap

 

 

 

 

 

 

90 °elbow _'_-2ft.

 

I _"

 

 

transi_

_¢

wall cap

 

H--L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-3 114" x 10"

90 ° elbow

=

25

ft.

1-transition

=

5 ft.

1-Wall

Cap

 

 

=

40

ft.

2-90 ° elbows

=

20

ft.

 

 

1-Wall

Cap

=

40

ft.

8 feet

straight

duct

 

=

8 ft.

 

8 feet

straight

=

8

ft.

TOTAL

LENGTH

 

=

73

ft.

 

TOTAL

LENGTH

=

73

ft.

 

 

 

 

 

 

 

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Contents Instructions Proper installation is the installers responsibility Your Safety FirstBefore YOU Start Back of ovenThis Appliance Must be Grounded Do not Expose Yourself to Excessive Microwave EnergyMake Sure YOU have Enough Space and Support Following Parts are Supplied with the Oven PARTS, TOOLS, MaterialsFour 1/4 x 3 toggle bolts Actual Size for drywall holes One rear wall template- Not Actual SizePhillips Screwdriver for the screws Avoid Electrical SHOCK! this Appliance Must be Grounded Prepare Electrical ConnectionsWall Venting Step Prepare the Venting S YsytemFor 3 1/4 x 10 Systems Standard FittingsLes For 6 Round Systems TransitionStep Prepare the Venting Blower Room Vented InstallationWall Vented Installation Step PrepareVenting Blower Roof Vented Installation Prepare the Wall and Upper Cabinet for Installation Measure and Tack / Tape UP TemplateSee Figure Drill the Holes in the Wall and Upper Cabinet Be Very Careful When Drilling Holes Into the WallOven Must be Connected to AT Least ONE Wall Stud Install the Mounting Plate to the WallDamper Hinge side up Back of oven Wall side Tabs Guides Step Attach the Oven to the Wall Using a screw as shown in , to inside

721.80523, 721.80522, 721.80409, 721.80402, 721.80529 specifications

The Kenmore 721 series, which includes models 721.80524, 721.80404, 721.80403, 721.80529, and 721.80402, represents a line of advanced over-the-range microwaves that seamlessly combines functionality with modern design. Key elements across these models include a powerful cooking performance, advanced features, and energy efficiency, making them ideal for contemporary kitchens.

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Overall, the Kenmore 721.80524, 721.80404, 721.80403, 721.80529, and 721.80402 offer an ideal combination of power, convenience, and style. These models fit seamlessly into modern kitchens while providing the efficiency and reliability necessary for everyday cooking tasks. With their advanced features and user-friendly design, they stand out as excellent choices for those looking to enhance their culinary experience.
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