Jenn-Air JED3430GB Dimension Guide - Page 4

Calculating Maximum Ducting Length, Notes, Cooktop, Duct Length, Duct Size, Electric

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JENN-AIR® DETAILED PLANNING DIMENSIONS DOWNDRAFT COOKTOP DUCTING ARRANGEMENTS The diagrams below show typical duct arrangements for downdraft cooktops. JX3™ downdraft cooktops also offer a duct-free installation option. For more details, refer to page 3. 4 of 4 DUCTING CONFIGURATIONS Roof jack 31⁄4" x 10" (8.3 cm x 25.4 cm) duct - 54' (16.5 m) max. Transition elbow REAR DUCTING IN WALL TO ROOF DUCTING REQUIREMENTS COOKTOP DUCT LENGTH DUCT SIZE 10' (3.0 m) or less* 5" (12.7 cm) diameter* Gas Between 10' (3.0 m) 6" (15.2 cm) diameter and 60' (18.3 m) 31⁄4" x 10" (8.3 cm x 25.4 cm) 10' (3.0 m) or less** 5" (12.7 cm) diameter** Electric Between 10' (3.0 m) and 60' (18.3 m) 6" (15.2 cm) diameter 31⁄4" x 10" (8.3 cm x 25.4 cm) *Gas cooktops must use 5" (12.7 cm) diameter for runs of 10' (3.0 m) or less. **May be used to vent straight out the back of the cooktop and directly through the wall. CALCULATING MAXIMUM DUCTING LENGTH • M aximum ducting length is 60' (18.3 m). • E ach 90° elbow equals 5' (1.5 m) duct. • U se no more than three 90° elbows. • F lexible metal vent is not recommended. • Do not install two elbows together. NOTES: • F or ducting runs up to 30' (9.1 m), install cooktop as shipped. • F or ducting runs of 31' (9.4 m) to 60' (15.2 cm), remove the restricter ring on the blower inlet housing. • F or altitudes above 4500' (1272.0 m), reduce recommended vent run by 20% for best performance. REAR DUCTING THROUGH WALL TO OUTSIDE 6" (15.2 cm) diameter duct - 511⁄2' (15.7 m) max. 5" (12.7 cm ) to 6" (15.2 cm) diameter transition 31∕4" x 10" (8.3 cm x 25.4 cm) duct Transition elbow SIDE DUCTING IN TOE KICK TO OUTSIDE 6" (15.2 cm) diameter wall cap 6" (15.2 cm) diameter elbow THROUGH FLOOR BETWEEN JOISTS TO OUTSIDE IMPORTANT: Dimensional specifications are provided for planning purposes only. Do not make any cutouts based on this information. Refer to the Installation or Use & Care Guide before selecting cabinetry, verifying electrical/gas connections, making cutouts or beginning installation. All Jenn-Air® appliances are appropriately UL, CUL or CSA approved. 8989dZw117

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JENN-AIR® DETAILED PLANNING DIMENSIONS
4 of 4
8989dZw117
IMPORTANT:
Dimensional specifications are provided for planning purposes only.
Do not make any cutouts based on this information.
Refer to the Installation or Use & Care Guide
before
selecting cabinetry, verifying electrical/gas connections, making cutouts or beginning installation.
All Jenn-Air
®
appliances are appropriately UL, CUL or CSA approved.
DOWNDRAFT COOKTOP DUCTING ARRANGEMENTS
The diagrams below show typical duct arrangements for downdraft cooktops. JX3™ downdraft cooktops
also offer a duct-free installation option. For more details, refer to page 3.
DUCTING CONFIGURATIONS
CALCULATING MAXIMUM DUCTING LENGTH
• Maximum ducting length is 60' (18.3 m).
• Each 90° elbow equals 5' (1.5 m) duct.
• Use no more than three 90° elbows.
• Flexible metal vent is not recommended.
• Do not install two elbows together.
NOTES:
• For ducting runs up to 30' (9.1 m), install cooktop as shipped.
• For ducting runs of 31' (9.4 m) to 60' (15.2 cm), remove the restricter
ring on the blower inlet housing.
• For altitudes above 4500' (1272.0 m), reduce recommended vent run
by 20% for best performance.
DUCTING REQUIREMENTS
COOKTOP
DUCT LENGTH
DUCT SIZE
Gas
10' (3.0 m) or less*
5" (12.7 cm)
diameter*
Between 10' (3.0 m)
and 60' (18.3 m)
6" (15.2 cm)
diameter
3
1
⁄
4
" x 10"
(8.3 cm x 25.4 cm)
Electric
10' (3.0 m) or less**
5" (12.7 cm)
diameter**
Between 10' (3.0 m)
and 60' (18.3 m)
6" (15.2 cm)
diameter
3
1
⁄
4
" x 10"
(8.3 cm x 25.4 cm)
*Gas cooktops must use 5" (12.7 cm) diameter for runs of 10' (3.0 m) or less.
**May be used to vent straight out the back of the cooktop and directly through
the wall.
Roof jack
Transition elbow
3
1
/
4
" x 10"
(8.3 cm x 25.4 cm) duct –
54' (16.5 m) max.
3
1
∕
4
" x 10"
8.3 cm x 25.4 cm) duct
Transition elbow
6" (15.2 cm) diameter duct –
51
1
/
2
' (15.7 m) max.
6" (15.2 cm)
diameter wall cap
5" (12.7 cm ) to 6" (15.2 cm)
diameter transition
6" (15.2 cm)
diameter elbow
REAR DUCTING THROUGH WALL TO OUTSIDE
REAR DUCTING IN WALL TO ROOF
THROUGH FLOOR BETWEEN JOISTS TO OUTSIDE
SIDE DUCTING IN TOE KICK TO OUTSIDE