Best IS23BL Installation
Model IS23
ENGLISH...................................... 2
FRANÇAIS..................................13
ESPAÑOL................................... 24
BEST BY BROAN P.O. Box 140 Hartford, WI 53027
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READ AND SAVE THESE INSTRUCTIONS
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INTENDED FOR DOMESTIC COOKING ONLY
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WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
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
panel 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 a qualified person(s) 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 separate solid-state speed control device.
8. To reduce the risk of fire, use only metal ductwork.
9. This unit must be grounded.
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 hood ON when cooking at high heat or when flambeing food (i.e. Crepes
Suzette, Cherries Jubilee, Peppercorn Beef Flambe’).
C. Clean ventilating fans frequently. Grease should not be allowed to accumulate on fan or
filter.
D. Use proper pan size. Always use cookware appropriate for the size of the surface
element.
WARNING
TO REDUCE THE RISK OF INJURY TO PERSONS IN THE EVENT OF A RANGE TOP
GREASE FIRE, OBSERVE THE FOLLOWING:*
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 - violent steam explosion will
result.
4. Use an extinguisher ONLY if:
A. You know you have a Class ABC extinguisher and you already know how to operate
it.
B. The fire is small and contained in the area where it started.
C. The fire department is being called.
D. You can fight the fire with your back to an exit.
* Based on “Kitchen Fire Safety Tips” published by NFPA.
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CAUTION
1. To reduce risk of fire and to properly exhaust air, be sure to duct air outside. Do not vent
exhaust air into spaces within walls or ceilings or into attics, crawl spaces, or garages.
2. Take care when using cleaning agents or detergents.
3. Avoid using food products that produce flames under the Range Hood.
4. For general ventilating use only. Do not use to exhaust hazardous or explosive materials
and vapors.
5. To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall
spray, construction dust, etc. off power unit.
6. 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.
7. For best capture of cooking impurities, the bottom of the hood should be a minimum of
24" and a maximum of 30" above the cooking surface. See “Adjust Support Frame”
section for mounting restrictions.
8. 3 installers are recommended because of the large size and weight of this hood.
9. This product is equipped with a thermostat which may start blower automatically. To
reduce the risk of injury and to prevent power from being switched on accidentally,
switch power off at service panel and lock or tag service panel.
10. Use with approved cord-connection kit only.
11 .Please read specification label on product for further information and requirements.
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OPERATION
Controls
The hood is operated using the (4) pushbuttons located at eye-level, on the front edge
of the hood.
LIGHT
SWITCH
BLOWER
ON-LOW /
OFF
SWITCH
BLOWER
MEDIUM
SPEED
BLOWER
HIGH
SPEED
PILOT
LAMP
The light switch turns the lights on and off.
The blower on-low / off switch turns the
blower on to its lowest running speed. The
blower must be turned on using this switch.
Turn the blower off by pressing this switch a
second time.
The blower medium speed switch changes the blower speed to medium. This
switch works only if the blower is already running at low or high speed.
The blower high speed switch changes the blower speed to high. This switch
works only if the blower is already running at low or medium speed.
The pilot lamp lights up whenever the blower is on.
HEAT SENTRY™
Your hood is equipped with a HEAT SENTRY™ thermostat. This thermostat is a
device that will turn on or speed up the blower if it senses excessive heat above
the cooking surface.
1) If blower is OFF - it turns blower ON to HIGH speed.
2) If blower is ON at a lower speed setting - it turns blower up to HIGH speed.
When the temperature level drops to normal, the blower will return to its original
setting.
WARNING
The HEAT SENTRY thermostat can start the blower even if the hood is turned
OFF. When this occurs, it is impossible to turn the blower OFF with its switch.
If you must stop the blower, do it from the main electrical panel.
LIGHT BULBS
This hood requires two 9-Watt fluorescent light
bulbs.
ALWAYS SWITCH OFF THE ELECTRICITY
SUPPLY BEFORE CARRYING OUT ANY
OPERATIONS ON THE APPLIANCE.
To change bulbs:
1. Remove the light lens cover.
2. Remove the bulb by pulling sideward (Do not rotate). CAUTION: BULB MAY
BE HOT!
3. Replace with a bulb of the same type.
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REMOVE LIGHT LENS COVER
MAINTENANCE
Grease Filters
The grease filters should be cleaned fre-
quently. Use a warm detergent solution.
Grease filters are dishwasher safe.
See “Install Filter” section for installation and
removal instructions.
Ductfree Filters
The ductfree filters should be changed every 6 months. See “Install Filter” section
for installation and removal instructions.
Hood Cleaning
Stainless steel is one of the easiest materials to keep clean. Occasional care will
help preserve its fine appearance.
Cleaning tips:
Hot water with soap or detergent is all that is usually needed.
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Follow all cleaning by rinsing with clear water. Wipe dry with a clean, soft cloth
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to avoid water marks.
For discolorations or deposits that persist, use a non-scratching household
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cleanser or stainless steel polishing powder with a little water and a soft cloth.
For stubborn cases, use a plastic scouring pad or soft bristle brush together
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with cleanser and water. Rub lightly in direction of polishing lines or "grain" of
the stainless finish. Avoid using too much pressure which may mar the surface.
DO NOT allow deposits to remain for long periods of time.
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DO NOT use ordinary steel wool or steel brushes. Small bits of steel may
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adhere to the surface causing rust.
DO NOT allow salt solutions, disinfectants, bleaches, or cleaning compounds
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to remain in contact with stainless steel for extended periods. Many of these
compounds contain chemicals which may be harmful. Rinse with water after
exposure and wipe dry with a clean cloth.
Painted surfaces should be cleaned with warm water and mild detergent only.
GREASE FILTERS
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PREPARE THE HOOD
Unpack hood and check contents.
You should receive:
1 - Hood
1 - Decorative Flue Assembly
1 - Support Frame
1 - Parts Bag (B080810532) containing:
4 - Mounting Screws (6 x 70mm)
8 - Washers 6.4mm
8 - Mounting Screws (3.9 x 9.5mm Pan Head)
4 - Nuts
1 - Duct Collar
1 - Electrical Box
1 - Electrical Box Cover
1 - Wire Clamp
4 - Serrated Washers
1 - Ductfree Plenum + #4 screws
1 - Installation Instructions
1 - Warranty Card
DUCT COLLAR
8 WASHERS
6.4mm
4 NUTS
DUCTFREE PLENUM
+ #4 SCREWS
DECORATIVE
FLUE
8 MOUNTING
SCREWS
(3.9x9.5mm
Pan Head)
SUPPORT FRAME
4 MOUNTING
SCREWS
(6x70mm)
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4 SERRATED
WASHERS
ELECTRICAL BOX
COVER
ELECTRICAL BOX
WIRE CLAMP
INSTALL THE DUCTWORK
Ducted configuration only.
NOTE: To reduce the risk of fire, use only
metal ductwork.
1. Decide where the ductwork will run between
the hood and the outside.
2. A straight, short duct run will allow the hood
to perform most efficiently.
3. Long duct runs, elbows, and transitions will
reduce the performance of the hood. Use
as few of them as possible.
4. Install a roof or wall cap. Connect 6" round
metal ductwork to cap and work back towards hood location. Use duct tape to seal
the joints between ductwork sections.
ROOF CAP
DECORATIVE
FLUE
HOOD
24” TO 30” ABOVE
COOKING SURFACE
(See “Adjust Support
Frame” section for
mounting restrictions.)
6” ROUND
DUCT
6” ROUND
ELBOW
EAVE
VENT
INSTALL SUPPORT SYSTEM
1. At hood location, install 2 X 4 cross fram-
ing between ceiling joists using dimensions
shown.
2. Finish the ceiling surface. Be sure to mark
the location of the ceiling joists and cross
framing.
DRYWALL
7”
WASHERS
6.4mm
MOUNTING
SCREWS
6x70mm
CROSS FRAMING
SUPPORT
FRAME
TOP VIEW OF
SUPPORT FRAME
7”
CEILING
JOISTS
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7”
INSTALL DUCTFREE PLENUM
Ductfree configuration only.
1. Remove (4) screws and washers from the
support frame assembly and separate both
halves.
2. Attach a piece of 6" metal duct to the con-
nector of the plenum. Calculate the height
of the metal duct proceeding as follows:
determining the support frame lenght (using
the table shown below) and subtract 135
mm (5-5/16”).
Use aluminum duct tape to seal joints and
make air tight.
3. Insert the ductfree plenum up into the upper
support frame. Air outlets “A” of the plenum
must be aligned with openings in the upper
support frame.
4. Secure the plenum to the upper support frame
with (4) 3.9 x 9.5 mm screws.
ADJUST SUPPORT FRAME HEIGHT
Ducted and Ductfree configurations.
NOTE: FOR INSTALLATION IN ROOMS HAVING 10-FOOT CEILINGS, PURCHASE FLUE
EXTENSION MODEL FEXTIS23. DISCARD
THE SUPPORT FRAME PROVIDED WITH
THE HOOD. USE THE LONGER FRAME SUPPLIED WITH THE FLUE EXTENSION.
1. Ducted Configuration: remove (4) screws
and washers from the support frame
assembly.
2. Determine the distance between the range
hood and the cooktop. See chart below for
mounting height restrictions. Hood must be
mounted a minimum of 24” above the
cooktop. A maximum of 30” is recommended
for best capture of cooking impurities. Distances over 30” are at the user’s discretion.
3. Adjust the overall height of the support frame.
Refer to the chart to adjust the support frame
to the proper length.
CEILING
HEIGHT
HOOD DISTANCE ABOVE 36” HIGH COOK TOP
24” 25” 26” 27” 28” 29” 30”
SUPPORT FRAME LENGTH
DUCTFREE CONFIGURATION
A
6” ROUND
METAL
DUCT
CONNECTOR
DUCTFREE
PLENUM
DUCT
OF THE
DUCTFREE
PLENUM
SUPPORT
FRAME
LENGTH
LOWER
SUPPORT
FRAME
8 FEET
9 FEET
10 FEET WITH
FEXTIS23
25-3/8” 24-3/8” 23-3/8” 22-3/8”
47-3/8” 46-3/8” 45-3/8” 44-3/8” 43-3/8”
33-3/8” 32-3/8”
31-3/8”
4. Reassemble the upper and lower support frame with (4) sheet metal screws and
washers.
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INSERT SUPPORT FRAME
1. Attach the support frame assembly to the
ceiling with (4) washers and (4) 6 x 70mm
mounting screws. Make sure the “UP” arrow is pointed towards the ceiling. The side
marked “FRONT” must align with the range
hood’s control panel.
UPPER SUPPORT FRAME
WASHERS
6 X 70mm
MOUNTING SCREWS
INSTALL DECORATIVE FLUES
NOTE: FOR INSTALLATION IN ROOMS HAVING 10-FOOT CEILINGS, PURCHASE FLUE
EXTENSION MODEL FEXTIS23. DISCARD
THE UPPER DECORATIVE FLUE PROVIDED
WITH THE HOOD. REPLACE WITH THE
LONGER UPPER FLUE SUPPLIED WITH THE
FLUE EXTENSION.
1. Raise the upper decorative flue into posi-
tion on the support frame. Secure the upper
flue to the support frame with (2) 3.9 x 9.5
mm screws.
2. Slide the lower flue over the upper flue. Tem-
porarily hold the flue up (with 2 temporary
screws 3.9x9.5mm) until the hood is installed
and electrical connection are made.
INSTALL DUCT CONNECTOR
Ductfree configurations only.
1. Remove and discard the backdraft damper
flaps from the duct connector.
Ducted and Ductfree configurations.
2. Install the duct connector in the round open-
ing on top of the range hood. Push down
until it snaps into place and is securely engaged.
Ducted configurations only.
3. Remove the tape located on the damper.
4. Attach 6” round metal duct to the duct con-
nector. Use duct tape to seal joints and make
air tight.
3.9 X 9.5 mm
SCREWS
UPPER
DECORATIVE
FLUE
TEMPORARY
SCREWS
LOWER
DECORATIVE
FLUE
DUCT
CONNECTOR
REMOVE THE
TAPE
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INSTALL RANGE HOOD
1. Raise the hood up into position under the
range hood. Control switches must be located on the support frame side marked
“FRONT”.
2. Attach the hood using (4) washers and (4)
hex nuts.
NUT
WASHERS
6.4 MM
BOLT
INSTALL ELECTRICAL WIRING
NOTE: ELECTRICAL WIRING MUST BE DONE
BY A QUALIFIED PERSON(S) IN ACCORDANCE
WITH ALL APPLICABLE CODES AND STANDARDS, INCLUDING FIRE-RATED CONSTRUCTION CODES AND STANDARDS. THIS RANGE
HOOD MUST BE PROPERLY GROUNDED.
TURN OFF POWER AT SERVICE ENTRANCE
BEFORE WIRING THIS HOOD.
1. Remove a knockout from the bottom of the
wiring box and one from the side.
2. Install the plastic bushing into the bottom
hole. Route the black, white, and green
ground wires from the hood into the wiring
box.
3. Secure the wiring box to the hood with (2)
3.9 x 9.5 mm screws and (2) serrated
washers.
4. Feed 6” of power cable into the wiring box.
Secure cable to the wiring box using an
appropriate connector.
5. Make electrical connections. Wire black to
black, white to white, and green to ground.
6. Push all wiring inside the wiring box. Make
sure wires are not pinched. Install cover and
secure with (2) 3.9 x 9.5 mm screws and (2)
serrated washers.
7. Remove the (2) temporary screws and move
the lower flue down into position on the
hood. Secure with (2) 3.9 x 13 mm screws.
WIRING
WIRING
BOX
BUSHING
WIRING BOX
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DUCTFREE FILTER
INSTALLATION
Ductfree configuration only.
1. Purchase a ductfree filter kit (Model “Round
Filter”) from your dealer.
2. Position the filters over the filter supports on
the blower.
3. To install: Rotate filters to lock filters in place.
4. To remove: Reverse rotation and pull the
filter off.
Ducted and Ductfree configurations.
1. To remove grease filters: Grip the latch tab
and pull it down. This will disengage the
filter from the hood. Tilt the filter downward
to remove.
2. To install the grease filters: Align rear filter
tabs with slots in the hood. Pull latch tab
down, push filter into place, and release.
Make sure the filters are securely engaged
after assembly.
GREASE FILTERS
DUCTFREE
FILTERS
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WARRANTY
BROAN ONE YEAR LIMITED WARRANTY
Broan warrants to the original consumer purchaser of its products that such products will
be free from defects in materials or workmanship for a period of one year from the date
of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OR MERCHANT ABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, Broan will, at its option, repair or replace, without charge, any
product or part which is found to be defective under normal use and service.
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS,
TUBES, HALOGEN AND INCANDESCENDT BULBS. This warranty does not cover (a)
normal maintenance and service or (b) any products or parts which have been subject
to misuse, negligence, accident, improper maintenance or repair (other than by Broan),
faulty installation or installation contrary to recommended installation instructions.
The duration of any implied warranty is limited to the one-year period as specified for the
express warranty. Some states do not allow limitation on how long an implied warranty
lasts, so the above limitation may not apply to you.
BROAN’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN’S OPTION, SHALL BE
THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY.
BROAN SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL
DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which
vary from state to state. This warranty supersedes all prior warranties.
To qualify for warranty service, you must (a) notify Broan at the address stated below or
telephone: 1-800-637-1453, (b) give the model number and part identification and (c)
describe the nature of any defect in the product or part. At the time of requesting warranty
service, you must present evidence of the original purchase date.
BEST BY BROAN, P.O. Box 140 Hartford, Wisconsin 53027
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