REGISTER YOUR PRODUCT ON LINE AT:
WWW.BROAN.CA
BU3 SERIES
4-WAY CONVERTIBLE
RANGE HOOD
READ AND SAVE THESE INSTRUCTIONS
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INTENDED FOR DOMESTIC COOKING ONLY.
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WARNING |
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WARNING |
TO REDUCETHE RISK OF FIRE, ELECTRIC SHOCK OR INJURY |
TO REDUCETHE RISK OF INJURYTO PERSONS INTHE EVENT |
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TO PERSONS, OBSERVE THE FOLLOWING: |
OF A RANGETOP GREASE FIRE, OBSERVETHE FOLLOWING*: |
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1.Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer at the address or telephone number listed in the warranty.
2.Before servicing or cleaning unit, switch power off at service panel and lock service disconnecting means to prevent power from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.
3.Installation work and electrical wiring must be done by qualified personnel in accordance with all applicable codes and standards, including fire-rated construction codes and standards.
4.Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent backdrafting. Follow the heating equipment manufacturer’s guidelines and safety standards such as those published by the National Fire
Protection Association (NFPA) and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) and the local code authorities.
5.When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
6.Ducted fans must always be vented to the outdoors.
7.Do not use this unit with any additional solid-state speed control device.
8.To reduce the risk of fire, use only metal ductwork.
9.This unit must be grounded.
10.When applicable local regulations comprise more restrictive installation and/or certification requirements, the aforementioned requirements prevail on those of this document and the installer agrees to conform to these at his own expense.
TO REDUCE THE RISK OF A RANGE TOP GREASE FIRE:
a)Never leave surface units unattended at high settings. Boilovers cause smoking and greasy spillovers that may ignite. Heat oils slowly on low or medium settings.
b)Always turn range hood ON when cooking at high heat or when flambeing food (i.e.: Crêpes Suzette, Cherries Jubilee, Peppercorn
Beef Flambé).
c)Clean ventilating fans frequently. Grease should not be allowed to accumulate on fan, filters or in exhaust ducts.
d)Use proper pan size. Always use cookware appropriate for the size of the surface element.
1.SMOTHER FLAMES with a close-fitting lid, cookie sheet or metal tray, then turn off the burner. BE CAREFUL TO PREVENT BURNS. IF THE FLAMES DO NOT GO OUT IMMEDIATELY, EVACUATE AND CALL
THE FIRE DEPARTMENT.
2.NEVER PICK UP A FLAMING PAN — You may be burned.
3.DO NOT USE WATER, including wet dishcloths or towels — This could cause a violent steam explosion.
4.Use an extinguisher ONLY if:
A.You own a Class ABC extinguisher and you know how to operate it.
B.The fire is small and contained in the area where it started.
C.The fire department has been called.
D.You can fight the fire with your back to an exit.
* Based on “Kitchen Fire Safety Tips” published by NFPA.
CAUTION
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1.For indoor use only.
2.For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
3.To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall spray, construction dust, etc. off power unit.
4.Your hood motor has a thermal overload which will automatically shut off the motor if it becomes overheated. The motor will restart when it cools down. If the motor continues to shut off and restart, have the hood serviced.
5.For best capture of cooking impurities, the bottom of the hood should be at a minimum of 18” and at a maximum of 24” above the cooking surface.
6.To reduce the risk of fire and to properly exhaust air, be sure to duct air outside — Donot exhaust air into spaces within walls or ceiling or into attics, crawl space or garage.
7.When installing, servicing or cleaning the unit, it is recommended to wear safety glasses and gloves.
8.Please read specification label on product for further information and requirements.
INSTALLER: Leave this manual to the homeowner.
HOMEOWNER: Use and care information on page 5.
99045995A
IMPORTANT
For Non-ducted (Duct free) Installation:
a)Purchase non-ducted filter separately, model 41F.
b)Remove and discard damper/duct connector and grille cover
(See Step 3 in “Preparing the range Hood,” on page 3). c)Follow all steps except steps inside dotted lines.
For Ducted Installation:
Follow all steps, including steps inside dotted lines.
TOOLS AND MATERIAL REQUIRED
TOOLS
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Drill |
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Flat blade and |
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1¼" Spade bit |
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Phillips screwdriver |
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Tape measure or ruler |
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Pliers |
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and pencil |
For ducted installations ONLY:
Saber saw
Metal snips
MATERIALS
Electrical wiring and supplies of type to comply with local codes
Roof or wall cap
Duct and metal foil duct tape
Roof cement or caulk
For installation on kitchen cabinets with recess bottoms only:
Two 1" x 2" x 12" (approximate length) wood strips (purchase locally)
Four 1¼" long flat heat wood screws (purchase locally) to fasten strips to cabinet bottom
PLANNING DUCTWORK INSTALLATION
Begin planning ductwork by deciding where the duct will run between the range hood and the outside. For best performance, use the shortest possible duct run and a minimum number of elbows. There are several choices shown - FIGS. 1A - 1F.
If needed, a 3¼” x 10” rectangular ducting range hood can be converted to a round duct by means of a transition.
FIG. 1A. Ducting directly through the wall (for range hoods mounted on an exterior wall). Shown are two ways to duct through an outside wall. If a wall cap is used directly off the back of the hood, special care must be taken to make sure that the damper in the damper/duct connector on the hood and damper in the wall cap do not interfere with each other when the hood is operating. This could result in either inadequate air delivery or back drafts. If this condition does exist, remove the hood damper flap. Sometimes when using a wall cap it is easier to duct vertically and then use an elbow as shown in FIG. 1B.
FIG. 1C. Ducting straight up through the roof using 3¼” x 10” rectangular duct. (For single story installations.)
FIG. 1D. Ducting between the ceiling joists (for multi-story installations) or through the soffit space above the cabinets (where the soffit connects to an outside wall).
FIG. 1E. Straight up through the roof using 3¼” x 10” to 6” round duct transition and 6” round duct (for single-story installations).
FIG. 1F. Straight up through the roof using 7” round duct (for single-story installations, 7” round adapter plate not included, part number SR680508).
FIG. 1A
WALL CAP 639 OR 649
FIG. 1B
WALL CAP 639 OR 649
3¼” X 10” DUCT 401
FIG. 1C |
ROOF CAP 634 OR 644 |
3¼” X 10” DUCT 401
FIG. 1D ADJUSTABLE ELBOW 419
WALL CAP 641
6” ROUND DUCT 406
3¼” X 10” TO 6” ROUND
DUCT TRANSITION 411
FIG. 1E
ROOF CAP 634 OR 644
6” ROUND DUCT 406
3¼” X 10” TO 6” ROUND
DUCT TRANSITION 411
FIG. 1F |
ROOF CAP 634 OR 644 |
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7” ROUND DUCT 407 |
OPTIONAL DAMPER |
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MODEL BP87 |
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7” ROUND DUCT PLATE |
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SR680508 |
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PREPARING THE RANGE HOOD
1.Unpack hood and check contents. You should have: 1 - Aluminum filter
1 - 3¼” x 10” Damper/duct connector
(mounted inside of hood for shipping only) (save the screws)
2.Remove wiring box cover. Under cover find the parts bag containing loose hardware.
For non-ducted installation only
3.For n ont of hood. (FIG. 3)
NOTE
The grille on front of hood must be open and visible for hood to function in non-ducted mode.
4.Remove either top or rear electrical knockout depending upon whether wiring will enter hood from wall or cabinet. (FIG. 4)
DUCTED INSTALLATION ONLY
NOTE
The grille cover must be installed as shown in FIG. 3 to function in ducted mode.
5.Remove appropriate duct knockout on hood by inserting screwdriver into edge of knockout and breaking tabs holding knockout to hood.
You may have to tap screwdriver with hammer to break tabs. Peel knockout back with pliers. (FIG. 5)
6.Fit damper/duct connector over opening and secure in place with black sheet metal screws. (FIG. 6)
Hinge pins and damper/duct connector should be toward top of hood for ducting through wall or toward back of hood for ducting through cabinet above hood. Seal joint between damper/duct connector and hood with duct tape.
7.7” round ducted discharge only: Purchase separately the 7” round duct plate (part no. SR680508). For best performance, line up the 7” round duct plate with the 7” round opening on hood. Mount duct plate to hood with 2 screws included with duct plate and 2 screws from
3¼” x 10” damper (1 screw per side). Install a 7” round damper (purchase separately). Damper flap must open freely in direction of air flow (away from range hood).
PREPARING THE INSTALLATION LOCATION
NOTE
MOUNT HOOD SO THAT BOTTOM OF HOOD IS 18”-24” ABOVE COOKING SURFACE. TOP FRONT EDGE OF HOOD SHOULD BE FLUSH WITH FRONT OF CABINET FRAME.
IF DISTANCE BETWEEN WALL AND FRONT OF CABINET FRAME IS MORE THAN 12”THERE WILL BE A SPACE BETWEEN BACK OF HOOD AND WALL. THIS IS NORMAL.
OMIT STEP 8 if range hood will be installed under cabinets with flush bottom.
8.(For installation on recessed bottom cabinets only.) Attach a wood filler strip at each side of recessed area under cabinet. (Use two 1” x 2” strips cut to length.) If recess is more than 1” use thicker strips. Attach strips with 1¼” screws about 3” from each end. See FIG. 7.
9.Measure and mark the following (FIGS. 7 & 8):
a)Electrical line opening
b)Duct opening
10.Drill four pilot holes in corners of marked duct opening as shown and cut opening with saber saw or keyhole saw.
11.Use 1¼” drill bit to drill opening for electrical connection in wall or cabinet.
12.Hold hood up against cabinet bottom and trace keyhole slots onto cabinet bottom or filler strips.
13.Screw the four supplied 7/8” wood screws for mounting the hood into the exact center of the narrow end of the keyhole slots marked underneath the cabinet. Allow 3/8” of the screws to project, so the hood can be fitted into place.
FIG. 2 |
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KEYHOLE SLOTS (4) |
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WIRING BOX COVER |
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ALUMINUM FILTER |
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DAMPER/DUCT CONNECTOR |
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FIG. 3 |
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FIG. 4 |
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FIG. 5 |
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FIG. 6 |
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FIG. 7 |
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3" |
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3" |
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CUT STRIPS TO FIT |
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DUCT OPENINGS |
CENTER LINE |
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WIDTH OF |
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RANGE HOOD |
ELECTRICAL WIRING OPENING |
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FIG. 8 |
3¼” x 10” DUCT |
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CABINET FRONT |
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7” ROUND DUCT |
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CABINET FRONT |
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3/8" |
37/8" |
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1/8" |
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3/4" |
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CABINET BOTTOM |
7½" |
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HORIZONTAL DUCTING |
5¼" |
5¼" |
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8" DIA. |
2" |
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AND WIRING (Through wall) |
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7½" |
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ACCESS HOLE |
5" |
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CABINET BOTTOM |
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1½" |
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7½" |
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1½" |
WOOD SHIMS |
ELECTRICAL |
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67/8" |
5¼" |
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(recessed-bottom |
ACCESS HOLE |
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9" |
105/8" |
5¼" |
9 |
7 |
/8" |
9" |
cabinets only) |
(in cabinet bottom) |
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VERTICAL DUCTING AND WIRING |
BACK WALL |
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(Through cabinet bottom) |
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