Best D49M30SB Installation

Models: D49M30SB, D49M36SB, D49M48SB

Downdraft Ventilator

For use with these blowers

(purchase blowers separately):

Model PF6* - Flex Blower - Interior

Models EB6, EB9*, EB12*, or EB15* - Exterior

Models ILB6, ILB9 or ILB11* - In-Line

* Recommended models

READ AND SAVE THESE INSTRUCTIONS

Français p. 33 Español p. 65

Table of Contents

Safety Information .................................................................................................................................................................................. 3

Contents .................................................................................................................................................................................................. 4

Speciﬁcations ......................................................................................................................................................................................... 4

Tools Needed ........................................................................................................................................................................................... 4

Planning

Before You Begin ............................................................................................................................................................................... 5

Taking Measurements........................................................................................................................................................................ 5

Ducting Conﬁgurations ...................................................................................................................................................................... 5

Cabinet Cutouts ................................................................................................................................................................................. 10

Preparing the Downdraft

Side or Rear Ducting .......................................................................................................................................................................... 12

Front Ducting ..................................................................................................................................................................................... 12

Electrical Panel in Remote Location ................................................................................................................................................... 13

Final Assembly ................................................................................................................................................................................... 13

Installation

Cutting Countertop Opening ............................................................................................................................................................... 14

Install Housing into Cabinet ................................................................................................................................................................ 15

Install Finishing Trim .......................................................................................................................................................................... 16

Installing Ductwork ............................................................................................................................................................................ 16

Electrical Wiring Installation

Flex Blower Only ................................................................................................................................................................................ 17

Exterior or In-Line Blower Only .......................................................................................................................................................... 18

Appliance Installation/Operation ........................................................................................................................................................... 19

Use and Care ........................................................................................................................................................................................... 20

Optional Accessories .............................................................................................................................................................................. 21

Appendices A-G ...................................................................................................................................................................................... 23

Warranty .................................................................................................................................................................................................30

Service Parts ...........................................................................................................................................................................................31

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 on the back page.

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. Ducted fans must always be vented to the outdoors.

7. To reduce the risk of ﬁre, use only metal ductwork.

8. 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.

9. Loose-ﬁtting or hanging clothing should never be worn when

operating this appliance. They may be ignited by burners/ elements on cooktop.

10. Children should not be left alone or unattended in the area

where this appliance is in use.

11. This unit must be grounded.

TO REDUCE THE RISK OF A RANGE TOP GREASE FIRE:

a) Never leave surface units unattended at high settings. Boil

overs 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 cooking ﬂaming foods. 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.

Safety Information

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 - 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. Based on

“Kitchen Fire Safety Tips” published by NFPA.

CAUTION

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. Clean ﬁlters and grease-laden surfaces frequently.

5. 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.

6. Please read speciﬁcation label on product for further

information and requirements.

7. To reduce the risk of ﬁre and electric shock, install this

downdraft only with blower models shown below. Other blower models cannot be substituted. (Blowers sold separately).

Flex Blower Model PF6, Exterior Blower Models EB6, EB9,

EB12, or EB15 In-Line Blower Models ILB6, ILB9, or ILB11.

INSTALLER: Save this manual for Electrical Inspector and Homeowner to use.

Contents

ELECTRICAL SPECIFICATIONS

Model PF6 - Internal Flex: 120 VAC • 60 Hz • 3.0 A Models EB6, EB9, EB12, or EB15 - Exterior Models ILB6, ILB9 or ILB11 - In-Line 120 VAC • 60 Hz • 6.0 A (max.)

Part Description Quantity

Upper support bracket (left) 1

Downdraft ventilator housing 1

End cap trim (left) 1

End cap trim–up button (right) 1

4" support leg (left) 1

2" support leg (left) 1

Discharge cover 3

Front panel cover 1

Part Description Quantity

Electrical panel 1

Upper support bracket (right) 1

4” support leg (right) 1

2” support leg (right) 1

1/4-20 x .50 Hex Head screw 2

#10 x .50 Phillips round head screw 8

#8-18 x .375 Phillips screw 2

Tools Needed

Measuring tape, pencil, Phillips screwdriver #2, nut drivers (11/32", 3/8", 7/16"), box-end wrench, saw, spirit-level, tin snips, work gloves, and aluminum tape. (DO NOT use insulating tape.)

Before You Begin

Planning

Due to its ﬂexible design, this downdraft system can be used to exhaust airborne contaminants when cooking with a variety of gas or electric cooking appliances - including cooktops, rangetops,

slide-in ranges and free-standing ranges.

It can be mounted in island, peninsula, or conventional wall locations. The blower (purchase separately) and electrical panel can be mounted to the downdraft unit, inside the cabinet, or in a convenient remote location.

This unit can be easily installed following these basic steps:

• Cut out the countertop opening.

• Mount the unit in the cabinet.

• Install the blower and electrical panel.

• Connect the ductwork and electrical.

• Install the trim.

• Install the cooking appliance.

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.

Gas Cooktop Seal Kit is recommended for use with all gas cooktops. The kit creates a seal between the cooktop and the lower cabinet. Includes trim bracket and trim seal. See Optional Accessories section.

Taking Measurements

• Refer to the cooktop installation instructions for dimensions

of cooktop, countertop cut-out, and cabinet requirements. However, it is recommended that oversized cabinets be used for easier installation. Custom island designs need to account for deeper cabinets - especially when installed with a range in front of the downdraft or when mounting the blower behind the downdraft. You must also plan for an access door.

• Cooktop depth can vary greatly from one to another. This

may cause the ﬁt of these two appliances to be rather tight. 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 2-3/4" of ﬂat countertop is required behind cooktop and that 2-1/2" is necessary between the back edge of the cooktop and the inside of cabinet back.

CountertopCountertop

Cooktop

Front to Back

Inside Cabinet Depth

2-1/2" 2-3/4"

Downdraft

Ducting Conﬁgurations

• The downdraft blower system is designed for use with 8" round ductwork using a ﬂex blower or 10” round ductwork using a remote blower. (Purchase blowers separately.)

• 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.

For more detailed ducting information see appendices A-G

at the end of document.

Front Exhaust with Flex Blower

PF6 (Flex Blower)

Wiring Box

8" Round Elbow

*To Model 643 (8" Round Wall Cap)

Downdraft

8" Straight Duct

Ducting Conﬁgurations (continued)

Front Exhaust with Flex Blower (through cabinet)

PF6 (Flex Blower)

Wiring Box

Planning

Downdraft

8" Straight Duct

Front Exhaust with Flex Blower and Recirculating Kit

Downdraft

PF6 (Flex Blower)

8" Round Elbow

*To Model 643 (8" Round Wall Cap)

Front Exhaust with Flex Blower (through cabinet) and Recirculating Kit

Downdraft

PF6 (Flex Blower)

8" Straight Duct

Wiring Box

ANKD (Recirculation Kit)

8" Straight Duct

Wiring Box

8" Round Elbow

ANKD (Recirculation Kit)

Ducting Conﬁgurations (continued)

Side Exhaust with Flex Blower

Downdraft

Planning

1-7/8" to 8" Round Transition

8" Straight Duct

PF6 (Flex Blower)

8" Straight Duct

8" Round Elbow

*To Model 643 (8" Round Wall Cap)

Side Exhaust with Flex Blower and Recirculating Kit Rear Exhaust with Flex Blower

Downdraft

1-7/8" to 8"

Downdraft

Round Transition

Flex Blower

PF6 (Flex Blower)

8" Straight Duct

Recirculation Kit

1-7/8" to 8" Round Transition

8" Round Elbow

8" Straight Duct

*To Model 643 (8" Round Wall Cap)

Ducting Conﬁgurations (continued)

Front Exhaust with Remote Blower

Downdraft

" or 10"

Straight Duct

8" or 10" Round Elbow

Note: Flex blowers require 8" ducting. External or in-line blowers require 10" ducting.

Planning

* To one of the following:

• Model PF6 (Flex Blower) Model 643 (8" Round Wall cap)

• Model EB9 (900 cfm 10" Exterior Blower)

• Model ILB11 (10" Round In-Line Blower) Model 441 (10" Round Wall Cap)

• Model EB12 (1200 cfm 10" Round Exterior Blower)

• Model EB15 (1500 cfm 10" Round Exterior Blower)

Side Exhaust with Remote Blower

8" or 10" Straight Duct

Downdraft

1-7/8" to 8" or 10" Round Transition

Note: Flex blowers require 8" ducting. External or in-line blowers require 10" ducting.

8" or 10" Round Elbow

* To one of the following:

• Model PF6 (Flex Blower) Model 643 (8" Round Wall cap)

• Model EB9 (900 cfm 10" Exterior Blower)

• Model ILB11 (10" Round In-Line Blower) Model 441 (10" Round Wall Cap)

• Model EB12 (1200 cfm 10" Round Exterior Blower)

• Model EB15 (1500 cfm 10" Round Exterior Blower)

Ducting Conﬁgurations (continued)

Rear Exhaust with Remote Blower

Downdraft

8" or 10" Round Elbow

1-7/8" to 8" or 10" Round Transition

8" or

10"

Straight Duct

Note: Flex blowers require 8" ducting. External or in-line blowers require 10" ducting.

Planning

* To one of the following:

• Model PF6 (Flex Blower) Model 643 (8" Round Wall cap)

• Model EB9 (900 cfm 10" Exterior Blower)

• Model ILB11 (10" Round In-Line Blower)

Model 441 (10" Round Wall Cap)

• Model EB12 (1200 cfm 10" Round Exterior Blower)

• Model EB15 (1500 cfm 10" Round Exterior Blower)

Dual Duct Side Exhaust with Remote Blower

* To one of the following:

• Model EB9 (900 cfm 10" Exterior Blower)

• Model ILB11 (10" Round In-Line Blower) Model 441 (10" Round Wall Cap)

• Model EB12 (1200 cfm 10" Round Exterior Blower)

• Model EB15 (1500 cfm 10" Round Exterior Blower)

Downdraft

1-7/8" to 8" Round Transition

8" Round Elbow

8" Straight Duct

Dual 8" Round to 10" Round Transition

Cabinet Cutouts

CAUTION

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

Use the dimensions in illustrations to help plan how and where to provide duct access through your cabinet. Generally, 1-7/8" x 19" rectangular duct will be used through left, right, and back of cabinet - while 8" round duct will be used through cabinet ﬂoor.

For left, right, or rear exhaust: Allow at least 18" for transition and elbow or blower.

For left / right exhaust: a 30" deep cabinet is recommended to align properly with ﬂex blower. Flex blower can be mounted to rear cabinet wall or to a platform / frame (not provided) on the base of the cabinet ﬂoor. (See ﬂex blower instructions).

Side Ducting Cutout

5-7/8"

(14.9 cm)

(5.1 cm)

21"

(53.3 cm)

(10.2 cm)

Appliance

Cutout

Planning

Note: Flex blower can only attach to the front of the downdraft.

Cabinet depths of 24" to 30" are required - depending on the type of cooking appliance.

If using a Recirculating Kit, see “Plan the installation” section of the installation instructions packaged with the kit.

Rear Ducting Cutout

Appliance

Cutout

21"

(53.3 cm)

24-3/4"

(62.9 cm)

(10.2 cm)

Cabinet Cutouts (continued)

Planning

Flex Blower Ducting Cutout10" Exterior or In-line Blower Ducting Cutout

Appliance

Cutout

Center line of downdraft

Ø10"

(25.4 cm)

8-5/8"

(14.3 cm)

Dimensions based off of Model 418 - 10" round elbow

Flex Blower Ducting – Remote Location Cutout

Appliance

Cutout

Ø8"

(20.3 cm)

1-1/2"

(3.8 cm)

Center line of downdraft

5-5/8"

(14.3 cm)

Appliance

Cutout

Center line of downdraft

Ø8"

(25.4 cm)

7-5/8"

(14.3 cm)

Dimensions based off of Model 432 - 8" round elbow

Preparing the Downdraft

Side or Rear Ducting

Remove a discharge cover (G) from sides or rear of downdraft (B).

Note: Only remove one cover.

Front Ducting

Remove front panel cover (H) from downdraft (B).

Install a transition and rectangular ductwork to downdraft (B).

Install 1-7/8" to 8" or 10" round transition to downdraft (B).

Install 8" or 10" remote discharge plate to downdraft (B).

Install the ﬂex blower to downdraft (B).

Note: Flex blower can be installed with duct to left, right or downward.

Preparing the Downdraft

Electrical Panel in Remote Location

Remove electrical panel (I) from downdraft (B). Note: Option for most installations. Required for ﬂex blower installations when discharge is down.

Final Assembly

Attach lower support legs to downdraft (B) using one screw (AA) for each leg.

Note: Use either short (F,L) or long (E,K) legs depending on cabinet height.

Install electrical panel

in remote location.

DO NOT mount the electrical box with the vent holes facing down.

Slide upper support brackets (A,J) into side channels of downdraft (B).

Flex Blower Only

If using ﬂex blower, attach blower support legs with supplied screws.

Cutting Counter Top Opening

Installation

Cooktop

Cooktop with Oven

Range

Rangetop

Place appliance.

Note: Cook top shown.

Center template against the back ﬂange and mark downdraft opening. A = 1.865" B = 27.070" D49M30SB, 33.070" D49M36SB,

45.070" D49M48SB

Installation

Cutting Counter Top Opening (continued)

Remove cook top/appliance and cut opening.

Install Housing into Cabinet

(continued)

Extend support legs (E/F) and attach to bottom of cabinet with two screws (BB) per leg. Tighten hex screws. Note: If cabinet bottom is

removed, use blocks as spacers between ﬂoor and support legs.

Set housing into cabinet.

Extend upper support brackets (A) and attached to sides of cabinet with two screws (BB) per bracket.

Flex Blower Only

Level housing.

Note: Steps 11-15, right cabinet not shown for clarity.

Loosen four screws attaching blower support legs to ﬂex blower. Extend legs and secure to bottom of cabinet with one screw through each bracket. Re-tighten four blower screws.

Installation

Installing Finish Trim

CAUTION

Only connect or disconnect UP BUTTON CABLE with main power off for at least 60 seconds.

Insert wiring harness with wire from right upper button (D) into opening in side of downdraft (B). Insert upper button (D) wiring harness into receptacle at lower right side of downdraft (B). Connect ground wire to ground nut on lower right of downdraft.

Installing Finish Trim (continued)

TOP VIEW

Washer

Remove tape backing. Wipe underside surface of left trim (C) so that tape adhesive will stick tightly. Press left trim in place.

Note: Make sure trim sits ﬂat on countertop surface, is ﬂush with top door, and has 1/16 " GAP between trim and top door.

Installing Ductwork

CAUTION

1/16" Gap1/16" Gap

DoorTrim

Flush

Remove tape backing. Wipe surfaces clean on underside of right trim (D) so that tape adhesive will stick tightly. Press right trim in place.

Note: Make sure trim: sits ﬂat on countertop surface, is ﬂush with top door, has 1/16" GAP between trim and top door, and wiring is not pinched.

TOP VIEW

Washer

1/16" Gap1/16" Gap

Door Trim

Flush

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

• Refer to Ductwork Conﬁgurations in the Planning section of this document.

• Cut hole in cabinet as well as holes in wall or ﬂoor as necessary.

• 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.

• Connect ductwork (and transition, if required) to downdraft.

Flex Blower only

Electrical Wiring Installation

CAUTION

All electrical wiring should be done by a qualiﬁed person(s) in accordance with all applicable codes and standards.

• This downdraft blower using the Flex Blower (purchase separately) draws 3.0 Amps and requires a 120 VAC, 60 Hz circuit.

• The unit has a 30 in. long power cord with a 3-pronged plug. Plan to provide a grounded outlet in a location which will allow the unit’s power cord to reach.

• Install electrical box according to local codes.

18a

20a

Connect blower wires to wires in electrical panel. Replace electrical panel cover.

Green (ground)Green (ground)

White White (neutral)

White White (neutral) Blue Blue (low 1)

Blue Blue (low 1) Red Gray (med 2)

Red Gray (med 2) Orange Orange (med- high)

Orange Orange (med- high) Black Black (high 4)

Black Black (high 4)

21a

Mount a standard wiring box, with 3-pronged receptacle, within reach of downdraft’s power cord. (Run appropriate power cable and connect it to receptacle.)

19a

Remove electrical panel (I) cover and route blower wire into wiring box.

Plug electrical panel cable into lower receptacle on side of downdraft.

22a

Plug downdraft’s power cord into outlet.

Note: Make sure that power cord is routed away from the heat generated by the cooktop.

Exterior or In-Line Blower only

Electrical Wiring Installation

CAUTION

All electrical wiring should be done by a qualiﬁed person(s) in accordance with all applicable codes and standards.

• If using a remote blower (purchase separately), the system draws 6.0 Amps (max.) and requires a 120 VAC, 60 Hz circuit.

• The unit has a 30 in. long power cord with a 3-pronged plug. Plan to provide a grounded outlet in a location which will allow the unit’s power cord to reach.

• Install electrical box according to local codes.

18b

20b

Connect blower wires to wires in wiring box. Replace wiring box cover.

Note: Blue, gray and orange wires are capped off but not connected.

Green (ground)Green (ground)

White White (neutral)

White White (neutral) Blue

Blue Gray

Gray Orange

Orange Black Black (high 4)

Black Black (high 4)

21b

Mount a standard wiring box, with 3-pronged receptacle, within reach of downdraft’s power cord. Run appropriate power cable and connect it to receptacle.

19b

From Exterior or

In-Line Blower

Remove wiring box cover and route blower wire into wiring box.

Plug electrical panel cover into lower receptacle as shown.

22b

Plug downdraft’s power cord into outlet.

Note: Make sure that power cord is routed away from the heat generated by the cooktop.

Appliance Installation/Operation

Install Cooking Appliance

1. Align the cooking appliance with downdraft and fasten appliance in place following appliance instructions.

Control Panel and Up Button

2-Level Task Light

• Press once for LOW setting. Top of icon will illuminate.

• Press 2x for HIGH setting. Top and bottom of icon will illuminate.

• Press 3x to turn task light OFF.

4-Speed Fan Speed Control

• Press once for LOW setting. Top-right quadrant of icon will illuminate.

• Press 2x for MEDIUM LOW setting. Top-right and bottom-right quadrants of icon will illuminate.

• Press 3x for MEDIUM HIGH setting. Top-right, bottom-right, and bottom-left quadrants of icon will illuminate.

• Press 4x for HIGH setting. All quadrants of icon will illuminate.

• Press 5x to turn fan OFF.

10-Minute Delay Off

When fan is ON at any speed setting, press delay-off icon to start 10-minute timer. Fan and icon will shut off after 10 minutes. To reset or deactivate delay-off, press icon again.

Note: Accurate alignment of cooking appliance 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.

30-Hour Filter Clean Reminder

• After 30 hours of blower “ON” time, ﬁlter clean icon will blink continuously.

• To reset, touch and hold icon for 2 or more seconds. Indicator will turn off.

Down / Retract Chimney

• To retract chimney, touch down button. Any feature that is active will shut off.

Up Button

• Touch up button on right trim to raise chimney. All functions will return to their previous settings.

Heat Sentry

• When the operating temperature is too high, the fan speed will increase to its highest setting to protect sensitive components. The fan icon will blink and cannot be overridden until the temperature reaches an acceptable level. The fan speed will return to the previous setting and the icon will stop blinking.

2-Level Task Light

4-Speed Fan Speed Control

10-Minute Delay Off

30-Hour Filter Clean Reminder

Down / Retract Chimney

Up Button

Use and Care

Cooking

WARNING

Always disconnect electric power supply before cleaning and/or servicing unit.

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.

It is recommended to use the rear burners when cooking with tall pots or when the cooking method will generate high amounts of smoke or steam. The combination of using the rear burners and operating the unit at high speed will increase the likelihood that all the smoke and steam will be removed by the downdraft.

Cleaning

Ears

Tabs

Filter

CAUTION

Failure to engage tabs properly may cause chimney to jam and fail to raise up.

To clean inside chimney:

Lift FRONT PANEL up and out and take out the GREASE FILTERS.

Use a mild detergent. DO NOT USE ABRASIVE CLOTH, STEEL WOOL PADS, OR SCOURING POWDERS. Replace ﬁlters and front panel before using downdraft. Be sure to engage TABS on front panel behind EARS as shown.

Servicing

It may be necessary to remove the downdraft blower system from the cabinet in order to service components such as the blower motor or air vent mechanism.

Disconnect power to the cooktop and remove it ﬁrst. Reverse the steps under “INSTALL HOUSING INTO CABINET” to remove the downdraft from the cabinet.

Filter

Front Panel

CAUTION

Failure to engage tabs properly may cause chimney to jam and fail to raise up.

To Clean grease ﬁlters:

Lift FRONT PANEL up and out and take out the GREASE FILTERS.

Wash ﬁlters in a mild detergent solution or a dishwasher. Replace ﬁlters and front panel before using downdraft. Be sure to engage TABS on front panel behind EARS as shown.

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