Broan BCDF136SS User's Guide download pdf (Page 7)

INSTALLATION MANUAL

INSTALLATION

Recommended Tools and Accessories

for Installation

• Measuring tape

• Phillips screwdriver no. 2

• Flat blade screwdriver (to open knockout holes)

• Drill, 1/8” drill bit and 1½” hole saw (to mark holes for ducting and cut electrical access hole)

• 7/64” drill bit (to drill holes for EZ1 brackets mounting screws)

• Wood shims (2) and wood screws (4) (required for standard installation to framed cabinet)

• Saw (to cut holes for ducted application)

• Sheet metal shears (ducted installation only, for duct adjustment)

• Pliers (ducted installation only, for duct adjustment)

• Metal foil duct tape (for ducted applications)

• Scissors (to cut metal foil duct tape)

• Pencil

• Wire stripper

• Strain relief, 1/2” diameter (to secure house wiring cable to the hood)

Install Ductwork (Ducted Installations Only)

SOFFIT

18" MIN - 24" MAX

ABOVE

COOKING SURFACE

CABINET

3¼" X 10" DUCT

(FOR HORIZONTAL DISCHARGE)

WALL CAP

ROOF CAP

3¼" X 10" OR

7" ROUND DUCT

(FOR VERTICAL

DISCHARGE

)

HOUSE WIRING

(TOP OR BACK OF HOOD)

HOOD

NOTE: Distances over 24” are at the installer and user discretion.

1 ] Determine whether hood will discharge vertically (3¼” x 10” or 7” round),

or horizontally (3¼” x 10” only).

2 ] Decide where the ductwork will run between the hood and the outdoors.

3 ] The ducting from this fan to the outside of the building has a strong effect on the air flow,

noise and energy use of the fan. Use the shortest, straightest duct routing possible for best

performance, and avoid installing the fan with smaller ducts than recommended. Insulation

around the ducts can reduce energy loss and inhibit mold growth. Fans installed with existing

ducts may not achieve their rated airflow. Refer to the table on next page to help you plan the

most efficient installation.

4 ] Install wall cap or roof cap (sold separately); ensure there is no leak in house insulation.

Connect metal ductwork to cap and work back towards the hood location. Use 2” metal foil

duct tape to seal the joints between ductwork sections.

For ADA compliance installation guidelines, please visit www.broan-nutone.com

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Broan BCDF136SS User's Guide Page 7

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