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INSTALLATION, USE & CARE INSTRUCTIONS

INSTALLATION

FIG. 20

NUTS

PREPARE THE UNIT (CONT’D)

HORIZONTAL EXHAUST INSTALLATION ONLY (CONT’D)

7. Remove the 4 screws (two per side) retaining the blower

support plate to the top of the unit (FIG. 19). Carefully lift

out and set aside the blower with its support plate. The

blower will be reinstalled later in the unit.

8. From inside the unit, detach the back plate (grey part in

FIG. 20) by removing its both retaining nuts using

3/8” diameter socket. Set aside the nuts and plate.

9. Install the back plate on top of the unit, where the blower

support plate was. Orient the holes nearby the corners

towards the back of the unit. Assemble to the top of the

unit using 4 screws previously removed in step 7 (FIG. 21).

FIG. 19

SCREWS

FIG. 21

HOLES

FIG. 22

HINGE

VERTICAL EXHAUST INSTALLATION ONLY

10. For rectangular ducting, use 2 included no. 8-18 x 1/4”

metal screws to attach the included 3¼” x 10” adapter

damper on top of the unit, over the blower exhaust opening

(FIG. 22).

NOTE: The damper hinge must be towards the front of

the unit.

For round ducting, use 4 included no. 8-18 x 1/4” metal

screws to attach the included 6-in. round (or 8-in. round)

adapter damper on top of the unit, over the blower exhaust

opening (FIG. 22).

NOTE: The damper hinge must be parallel to the sides of

the unit.

NuTone BBN3306SS User Manual

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