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49-2001159 Rev. 0
INSTALLATION INSTRUCTIONS
Installation Instructions
6. PREPARE FOR DUCTWORK
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in a variety of ways depending on the kitchen layout.
IMPORTANT: The downdraft air discharge outlet
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accordingly.
Typical duct arrangement countertop series.
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system:
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transitions and elbows.
2. Maintain a constant duct size.
3. Seal all joints with duct tape to prevent any leaks.
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system in accordance with local building code
requirements. Visit GEAppliances.com for available
makeup air solutions.
• Optional duct arrangement under concrete slab.
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concrete slab.
• Install ductwork so the piece of duct nearest the
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Secure the joints with self-tapping screws and apply
duct tape around the joints to ensure an airtight seal.
INSTALLATION PREPARATION (Cont.)
Inside wall
cabinet
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overhang
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%HWZHHQIORRUMRLVWV Through cabinet toe space
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Outside
wall cabinet
NOTE: PVC sewer pipe type PSM 12454-B
Schedule 40 ASTM D1785.
Wall Cap
Concrete
Slab
6″ (15 cm)
Dia. PVC
Sewer Pipe
6″ (15 cm)
Dia. Metal
Duct
Pack tightly with gravel
or sand completely
around pipe
3-1/4″ x 10″ Rectangular
to 6″ Round Transition
6″ (15 cm)
Dia. 90°
Metal Elbow
6″ (15 cm) Dia.
Metal Duct
16″
(40.6 cm)
Max.
12″
(30 cm)
Min.
6″
(15 cm)
Dia. PVC
Coupling
6″ (15 cm) Dia.
PVC Sewer Pipe
Elbow
6″ (15 cm) Dia.
PVC Sewer Pipe
Elbow
6″ (15 cm)
Dia. PVC
Sewer
Pipe
6″
(15 cm)
Dia.
PVC
Coupling
30′-0″ (9.14 m) Max.
Duct Tape
Over Seam and Screw
Screw
Air
Flow
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