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Installation instructions, Preparation, Prepare for ductwork – Hotpoint VBXR1060 User Manual

Page 23: Blower to ductwork alignment

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PREPARE FOR DUCTWORK

NOTE: Ductwork MUST be vented outside. DO NOT
vent into a wall, ceiling, crawlspace, attic or any
concealed space.

Determine the best route for ductwork; it can
be routed in a variety of ways depending on
the kitchen layout.

IMPORTANT: The downdraft air discharge outlet
for this unit is 3-1/4

x 10

rectangular. Plan ducting

accordingly.

Typical duct arrangement countertop series.

23

Installation Instructions

BLOWER TO DUCTWORK
ALIGNMENT

In general, the use of flexible ducting is discouraged
because it can cause severely restricted airflow. However,
if the blower outlet and the floor or wall duct location do
NOT align well, then flexible METAL ducting can be used
to adapt to an offset. Good alignment without use of
flexible ducting is best.

NOTE:

Do not exceed the maximum recommended offset
of 6

.

Do not allow the flexible ducting to kink or collapse.

Do stretch the flexible ducting as much as possible
to eliminate as much of the corrugation as possible.

A 3

1

4

x 10

rectangle to 6

round transition duct

is available at your local building supply store.

NOTE: Illustrations are for planning purposes only.

Inside wall

cabinet

Up inside wall to roof

or overhang

Directly to outside

Between floor joists

Through cabinet toe space

Peninsula or island

Peninsula

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.

6

Optional duct arrangement under concrete slab.

PVC duct should be used if installing under a poured
concrete slab.

7

PREPARATION

Back Venting

(Requires 3

1

/

4

x 10

)

Bottom Venting

6

Max.

Centerline

to Centerline

Offset