Installing The Range Hood - Broan BXT1 Series Manual

INSTALLING THE DUCTWORK
THESE INSTRUCTIONS WILL FOLLOW THE PLANS MADE ON PAGE 1.
START AT THE EXTERIOR AND RUN THE DUCT BACK TO THE RANGE HOOD.
FOR BEST PERFORMANCE OF YOUR RANGE HOOD, USE THE SHORTEST
POSSIBLE DUCT RUN AND A MINIMUM NUMBER OF ELBOWS.
NEVER VENT A RANGE HOOD INTO AN ATTIC SPACE BECAUSE A BUILDUP OF
GREASE WILL BECOME A FIRE HAZARD.
USE ONLY METAL DUCTWORK (DO NOT USE PLASTIC DUCT). ASSEMBLE
SECURELY SO THAT IN CASE OF A GREASE FIRE ON THE RANGE, THE FIRE
WILL BE CONTAINED INSIDE METAL DUCT WORK.
IT IS A GOOD PRACTICE TO TAPE WITH METAL DUCT TAPE ALL DUCT
CONNECTIONS, MAKING THEM BOTH SECURE AND AIR TIGHT.
14. Follow appropriate directions below for type of ductwork you are
installing:
WALL CAP (FIG. 9)
Use a saber saw to cut a hole slightly larger than duct so duct will line up
easily with hood. Install casing strips on outside walls finished in siding.
Assemble the duct work and tape all joints. Run duct work back to hood.
Fasten wall cap to last section of duct and nail or screw cap to wall.
Seal all around flange on wall cap with caulking compound for exterior
use. Make sure that enough duct runs into the room so that the duct will
overlap the damper/duct connector by 3/4" when the hood is installed.
Cut hole in roof slightly larger than duct so duct will line up easily with
hood. Trim shingles around hole so that they will fit snugly around hood
of cap when cap is installed. Assemble the ductwork and tape all joints.
Run the ductwork down to hood. Trim duct parallel to roof pitch, leaving
3/4" of duct projecting above roof. Seal all around duct with roof cement.
Install roof cap, inserting back edge of cap under shingles. Seal around
cap with roof cement and seal all nail heads and shingles which were
cut or lifted.
Make sure that enough duct runs into the room so that the duct will overlap
the damper/duct connector by 3/4" when the hood is put into place.

INSTALLING THE RANGE HOOD

15. Bring electrical cable through access hole drilled in wall or bottom of
cabinet. Provide 6" wire leads and install proper connector for type of
cable being used. Remove lock nut from connector and let prepared
cable project through cabinet or wall opening so it is ready for installation
into range hood. (FIG. 10)
16. Position hood in place so that:
a) Electrical line is routed through appropriate knockout opening. This
step will have to be accomplished while positioning hood. (FIG. 11)
b) Large part of keyhole mounting slots on hood fit onto hood mounting
screws projecting from bottom of cabinet. (FIG. 11)
c) Damper/duct connector (if present) slides into duct work in wall or
cabinet.
17. Tighten the four hood mounting screws securely.
18. Install locknut on electrical connector and tighten securely.
19. Make electrical connection using wire nuts to connect WHITE wires
to WHITE, BLACK wires to BLACK, and GREEN or bare wire to GREEN
ground screw provided (FIG. 12).
20. Replace wiring box cover and screw, taking care not to pinch wires.
For non-ducted installations only:
Remove the aluminum filter from the hood. Attach the non-ducted filter
(part number HPFX1, purchase separately)
on the back of aluminum filter (side without pull tab),
using 4 provided clips (FIG. 13). Reinstall the aluminum filter.
NOTE
ROOF CAP
NOTE
FIG. 9
W
ALL CAP
FIG. 10
W
IRE CLAMP
FIG. 11
FIG. 12
GREEN
FIG. 13
HM0011
- 4 -
E
LECTRICAL LINE
WHITE
BLACK
GROUND SCREW
G
ROUND WIRE
(GREEN
)
OR BARE WIRE S
TAR LOCKNUT
WIRES
WIRES