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MODELS 2730 & 2736 ECLIPSE
DOWNDRAFT BLOWER SYSTEM

READ AND SAVE THESE INSTRUCTIONS
! INTENDED FOR DOMESTIC COOKING ONLY !
WARNING

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 in the warranty.
2. Before servicing or cleaning unit, switch power off at service
panel and lock the 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 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 guideline 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. Do not use this unit with an additional speed control device.
7. Ducted fans must always be vented to the outdoors.
8. To reduce the risk of fire, use only metal ductwork.
9. Do not install this product with the activating switch directly
behind a burner or element. Minimum distance between the
switch and the edge of the burner should be 4 inches.
10. Loose-fitting or hanging clothing should never be worn when
operating this appliance. They may be ignited by burners/
elements on cooktop.
11. Children should not be left alone or unattended in the area
where this appliance is in use.
12. This unit must be grounded.
TO REDUCE THE RISK OF A RANGE TOP GREASE FIRE:
1. 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.
2. Always turn hood ON when cooking at high heat or when
cooking flaming foods.
3. Clean ventilating fans frequently. Grease should not be allowed
to accumulate on fan or filter.
4. Use proper pan size. Always use cookware appropriate for
the size of the surface element.
TO REDUCE THE RISK OF INJURY TO PERSONS IN THE
EVENT OF A RANGE TOP GREASE FIRE, OBSERVE THE
FOLLOWINGa:

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
- a 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.
a

Based on “Kitchen Firesafety Tips” published by NFPA.

CAUTION
1. For general ventilating use only. Do not use to exhaust hazardous or
explosive materials and vapors.
2. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power unit.
3. Clean filters and grease-laden surfaces frequently.
4. Do not repair or replace any part of this appliance unless specifically
recommended in this manual. All other servicing should be done by
a qualified technician.
5. Please read specification label on product for further information and
requirements.

PLANNING
This downdraft blower system is
designed to be used to exhaust
airborne contaminants when
cooking with a variety of gas or
electric cooktops. It can be
mounted in island, peninsula, or
conventional wall locations.
This unit can be easily installed
following these basic steps:

•

Cut out the countertop
opening.

•

Mount the unit in the
cabinet.

•

Connect the ductwork
and electrical.

•

Install the cooktop.

TYPICAL INSTALLATION
CHIMNEY TOP
COUNTER
TOP
COOK TOP

GEAR
MOTOR
COVER

AIR
VENT

BLOWER
BOX
120 VAC
GROUNDED
OUTLET

3-1/4" X 10"
DUCT CONNECTOR

INSTALLER: Save this manual for Electrical Inspector and Homeowner to use.
HOMEOWNER: Use and Care Information on Page 5.

PLANNING - (continued)

PLAN THE DUCTWORK

Note: The high level of air flow of this appliance may affect the gas
flame on some types of gas cooktops. This is NORMAL and will
cause no harm, but can be corrected by lowering the speed of the
blower.
RIGHT
DISCHARGE

SPECIFICATIONS
VOLTS AMPS
120
4.0

LEFT
DISCHARGE

CFM
DUCT
500 3-1/4 x 10

DOWN'
DISCHARGE
(as shipped)

1. This downdraft blower system is designed for use with 3 " x
10" ductwork (can be transitioned to 6" round). Three different
discharge directions are available with side-to-side adjustment for accurate alignment of ductwork.

TAKE MEASUREMENTS

2. For best performance: Choose the ducting option which allows
the shortest length of ductwork and a minimum number of
elbows and transitions. Check location of floor joists, wall
studs, electrical wiring or plumbing for possible interference.
NOTE: The unit is shipped with the 3 " x 10" discharge facing
DOWN. See "CHANGING BLOWER DIRECTION" on page 3,
if necessary.

1. Refer to the cooktop installation instructions for dimensions of
cooktop, countertop cut-out, and cabinet requirements. The
Model 2730 will fit in most 30" wide cabinets and the Model
2736 will fit in most 36" wide cabinets. However, it is recommended that oversized cabinets be used for easier installation.

3-1/4" X 10"
TO 6" RD.
TRANSITION

8" ROUND
ELBOW

2. Cooktop depth can vary greatly from one to another. This may
cause the fit of these two appliances to be rather tight.
EQUALS 6 FT. OF
STRAIGHT DUCT

EQUALS 2
FT. OF
STRAIGHT DUCT

3-1/4" X 10"
90O ELBOW

EQUALS 8
FT. OF
STRAIGHT DUCT

3. The system will operate most efficiently when the ductwork
does not exceed 40 feet of equivalent duct. The chart, above,
shows equivalent feet of elbows and transitions. The number
of feet of straight duct plus the equivalent feet of transitions
and/or elbows to be used should equal 40 feet or less.
NOTE: The equivalent feet of various roof and wall caps has
been taken into consideration. Do not include them in this
calculation.

Pay special attention to the areas of potential interference highlighted above. A countertop with (A) a raised lip and/or (B) a
backsplash may not allow enough flat countertop for a proper
installation. Note that 2" of flat countertop is required behind
cooktop and that 1-3/4" is necessary between the back edge of the
cooktop and the inside of cabinet back.

PLAN THE WIRING
1. The downdraft and exterior blower system draws 4 AMPS and
requires a 120 VAC, 60 Hz circuit.
2. Plan to provide unit with grounded wiring which meets codes:

Note: Installations in which the fit between blower system and
cabinet is tight. Consider running the wiring through a adjacent
cabinet to prevent sharp bends in wiring.

2

PREPARATION

CUT COUNTERTOP OPENING

CHANGING BLOWER DISCHARGE (Optional)

1. Lay out and cut the cooktop cut-out far enough FORWARD so
downdraft will fit behind it.

The blower is shipped with its discharge facing DOWN. Follow
these steps ONLY if:

2. Set cooktop in place and slide it as far forward as possible.
Center and square it with edges of countertop.

•

the position of the blower discharge needs to be moved
so ductwork does not interfere with floor joists, plumbing
or wiring below.

•

it is necessary to rotate the blower discharge to the
RIGHT or LEFT.

Place the unit on its back on a table or work surface.

DOWN DISCHARGE - MOVING BLOWER LEFT OR RIGHT
NUTS

BLOWER

SHEET
METAL
SCREW

CLAMP
CHANNEL

3. Place the plastic template against the back flange of the
cooktop and center it. Trace around template to mark the
downdraft opening.
4. Remove cooktop from countertop.
5. Cut downdraft opening. Be careful not to chip edges of
countertop.

BOTTOM
FLANGE

1. Loosen the 4 nuts and 2 clamp channels.
2. Slide blower to desired position.

3. Use supplied cover plate to close open space (if any).
4. Tighten nuts to secure top of blower and use sheet metal
screws through bottom flange to secure bottom of blower.

MOUNT THE UNIT
MOUNTING SCREWS

LEFT OR RIGHT DISCHARGE

LEVELING BRACKET FLANGE FACING OUT

BLOWER
NUT

CLAMP
CHANNEL

MOTOR
PLUG
LEVELING BRACKET FLANGE FACING IN

SHEET
METAL
SCREW

COVER PLATE

1. Set downdraft into opening. Extend leveling brackets to floor
of cabinet so downdraft sits straight. (Note: Leveling brackets
can be removed and re-attached in other positions. Bottom
flange may have to face inward in tight cabinet installations.)

1. Remove the 4 nuts and 2 clamp channels.
2. Carefully lift blower and disconnect motor plug if necessary.
Reposition blower and RECONNECT MOTOR PLUG.

4. Replace clamp channels and use nuts to secure the blower in
its new position.

2. Secure the downdraft to the countertop as follows: Hold the
downdraft against the back of countertop cut-out and tightening the 2 mounting screws (one on each end of unit) on
underside of countertop. Use a wood shim between screws
and underside of granite countertops.

5. Use sheet metal screws through bottom flange to secure
bottom of blower.

3. Screw leveling brackets to bottom of cabinet. Tighten screws
holding leveling bracket to unit on each side.

3. Use supplied cover plate to close open space (if any).

3

INSTALL DUCTWORK

INSTALL ELECTRICAL WIRING
(continued)

CAUTION - BEFORE CUTTING HOLE IN CABINET FOR DUCTWORK: Check for interference with floor joists, wall studs, electrical wiring or plumbing.

1. Mount a standard wiring box, with 3-pronged receptacle,
inside the cabinet. Make sure the downdraft’s power cord can
easily reach it.
2. Run appropriate power cable into cabinet and connect it to
receptacle.
3. Plug the downdraft’s power cord into the outlet.

BLOWER
3-1/4" X 10"
TO 6" RD.
TRANSITION
SCREWS

COLLAR

6" RD.
ELBOW &
DUCTWORK

1. Cut hole in cabinet as well as holes in wall or floor as
necessary.
2. Mount the roof or wall cap and work back towards the cabinet,
attaching all ductwork, elbows and transitions as previously
planned. Tape all ductwork connections to make them secure
and air tight.

WIRING DIAGRAM

3. Connect ductwork (and transition, if required) to downdraft. If
necessary, LOOSEN nuts and screws that hold the blower in
place, and slide blower left or right to meet ductwork. Retighten screws and nuts.
Note: A 3-1/4" x 10" collar is provided for installers who prefer to
rivet the ductwork to the unit. This will allow blower to be removed
and replaced easily in service situations without disturbing ductwork.

INSTALL ELECTRICAL WIRING
WARNING: To avoid possible electrical
shock, personal injury or death Disconnect electrical power.

4

INSTALL COOKTOP

USE AND CARE - (Continued)

1. Align the cooktop with the downdraft and fasten cooktop in
place.

CONTROLS

Note: Accurate alignment of cooktop and downdraft is necessary
to ensure that there is no interference when air vent is raised and
lowered. There should be a gap of 1/32"-1/16" between the back
of the cooktop and the front of the downdraft cover.

Turn the downdraft blower ON by pressing down on the activating
switch. The air vent will rise.

ADJUSTMENT
The downdraft is factory-adjusted for proper operation. However,
shipping and handling may affect the position of the activating
switch.

KNOB

To adjust position of activating switch:

WARNING: To avoid possible electrical
shock, personal injury or death Disconnect electrical power.

The blower can be turned ON or OFF and its speed can be
adjusted with the recessed knob on the right side of the air vent.

1. If downdraft is plugged into electrical outlet, unplug it.
2. Lift air vent straight up and cock it slightly so it remains in the
UP position.
Turn the downdraft blower OFF by pressing the activating switch
again. The air vent will go down and the blower will shut OFF.

SWITCH
MEMBRANE

Note: For most convenient operation, set the blower to your
favorite speed. The blower will come on to this speed whenever
the activating switch is pressed and the air vent rises.

SCREWS

SWITCH
BRACKET

CLEANING

SWITCH
COVER

WARNING: Always disconnect electric
power supply before cleaning unit.

3. Remove switch cover from right end of air vent.
4. Loosen the 2 screws holding the switch bracket in place.
Position switch bracket so that activating switch just comes in
contact with underside of switch membrane. Tighten screws.

Use a mild detergent suitable for painted surfaces. DO NOT USE
ABRASIVE CLOTH, STEEL WOOL PADS, OR SCOURING
POWDERS. Vacuum blower to clean. Do not immerse blower in
water.

5. Replace switch cover, gently lower air vent into chimney, and
plug in power cord. Re-connect electrical power and check
operation.

Wash the 2 aluminum grease filters in a mild detergent solution or
a dishwasher. Remove them from the air vent by grasping the tab
at the top of each filter.
Note: The filters are different sizes. Be sure to replace them as
removed, (wider one on the left), with tabs UP.

SERVICING
WARNING: Always disconnect electric
power supply before servicing unit.
It may be necessary to remove the outlet assembly from the
cabinet in order to service components such as the blower motor
or air vent mechanism.

USE AND CARE
Always turn the downdraft blower on before you begin cooking to
establish an air flow in the kitchen. Let the blower run for a few
minutes to clean the air after you turn the cooktop off. This will
keep the whole kitchen cleaner and brighter.

Disconnect power to the cooktop and remove it first. Reverse the
steps under “MOUNT THE UNIT” to remove the downdraft from
the cabinet.

5

Service parts are available from your local distributor.

SERVICE PARTS
Models 2730 & 2736 Downdraft Blower Systems
KEY NO.
5
6
8
10
20
21
33
46
73

PART NUMBER
30030356
30440159
30360025
30390372
30080131
30020081
RF30A
RF36A
30080423
30840114

DESCRIPTION

QTY.

Switch Assembly, Up/Down
Wire Harness, Speed Control
Knob
Lower Switch Bracket Assembly
Motor (with Capacitor - Key No. 73)
Blower Wheel
Filter Kit (Model 2730) (contains 2 filters)
Filter Kit (Model 2736) (contains 2 filters)
Gearmotor
Capacitor

OPTIONAL DOOR KITS
MODEL NO.
273001C
273023C
273601C
273623C

DESCRIPTION
30" White
30" Black
36" White
36" Black

6

1
1
1
1
1
1
1
1
1
1

SERVICE PARTS
Models 2730 & 2736
Downdraft Blower Systems

75
84

7

WARRANTY

BROAN-NUTONE LLC ONE YEAR LIMITED WARRANTY
Broan-NuTone LLC 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 OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, Broan-NuTone LLC 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 AND TUBES. 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-NuTone LLC), 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-NUTONE LLC’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE LLC’S OPTION, SHALL BE THE
PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE LLC 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 the appropriate company at the address or phone number stated below (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.

In the U.S. contact: Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711
In Canada contact: Broan-NuTone Canada Mississauga, Ontario www.broan.ca 877-896-1119

99041949K



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