NuTone 2736 Blower User Manual
Contents
1. 4 Replace clamp channels and use nuts to secure the blower in its new position 5 Use sheet metal screws through bottom flange to secure bottom of blower CUT COUNTERTOP OPENING 1 Lay out and cut the cooktop cut out far enough FORWARD so downdraft will fit behind it 2 Set cooktop in place and slide it as far forward as possible Center and square it with edges of countertop 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 a Cut downdraft opening Be careful not to chip edges of countertop MOUNT THE UNIT MOUNTING SCREWS LEVELING BRACKET FLANGE FACING OUT LEVELING BRACKET FLANGE FACING IN 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 2 Secure the downdraft to the countertop as follows Hold the downdraft against the back of countertop cut out and tighten ing the 2 mounting screws one on each end of unit on underside of countertop Use a wood shim between screw and underside of granite countertops 3 Screw leveling brackets to bottom of cabinet Tighten screws holding leveling bracket to unit on each side INSTALL DUCTWORK CAUTION BEFORE CUTTING HOLE IN CABINE2. 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 Nutone atthe 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 Broan NuTone LLC 926 West State Street Hartford WI 53027 1 800 637 1453 NuTone Inc 4820 Red Bank Road Cincinnati OH 45227 1 800 543 8687 99041818L
3. 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 For general ventilating use only Do not use to exhaust hazardous or explosive materials and vapors 2 Toavoid 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 informa tion and requirements PLANNING This downdraft blower system is designed to be used to exhaust TYPICAL INSTALLATION airborne contaminants when cook counter CHIMNEY TOP ing with a variety of gas or electric TOP cooktops It can be mounted in island peninsula or conventional wall locations COOK TOP AIR This unit can be easily installed Norn En following these basic steps COVER e C
4. with a 3 pronged plug Plan to provide a grounded outlet in a location which will allow the unit s power cord to reach Note If the Model 2730 is being installed in a 30 wide cabinet or the Model 2736 is being installed in a 36 wide cabinet the outlet cannot be located on the back wall of cabinet Outlet may also be wall mounted with access hole in cabinet PREPARATION CHANGING BLOWER DISCHARGE Optional The blower is shipped with its discharge facing DOWN Follow these steps ONLY if e the position of the blower discharge needs to be moved so ductwork does not interfere with floor joists plumb ing or wiring below e 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 SHEET BLOWER METAL y NUTS SCREW BOTTOM FLANGE Loosen the 4 nuts and 2 clamp channels Slide blower to desired position Use supplied cover plate to close open space if any PQ INES Tighten wing nuts to secure top of blower and use sheet metal screws through bottom flange to secure bottom of blower LEFT OR RIGHT DISCHARGE NUT a CLAMP A CHANNEL h Y SHEET METAL SCREW COVER PLATE 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 3 Use supplied cover plate to close open space if any
5. 21 22 28 31 32 49 58 64 65 amp 73 97011320 Chimney Assembly Complete Model 2730 Includes Key Nos 5 8 19 45 51 52 amp 71 97011321 Chimney Assembly Complete Model 2736 Includes Key Nos 5 8 19 45 51 52 amp 71 93400038 Bushing 7 8 1 99400061 Bushing Split Heyco 5 8 1 99400024 Bushing Heyco 1 2 1 93470012 Roller 1 97011238 Switch Assembly Up Down 1 97010714 Wire Harness Speed Control 1 99260491 Nut 3 8 32 1 99360165 Knob 1 99100484 Motor Insolator 3 97009972 Lower Switch Bracket Assembly 1 97011293 Green Ground Wire 1 97010993 Wire Harness 1 98007642 Back up Plate 1 98007780 Crank 1 98008168 Switch Cover 1 97011325 Chimney Assembly with Slide Model 2730 1 97011326 Chimney Assembly with Slide Model 2736 1 99080362 Motor with Capacitor Key No 73 1 99020247 Blower Wheel 1 98008167 Scroll Box Extension 1 OPTIONAL DOOR KITS 99710032 Spacer 3 97011259 Top Bracket Assembly Right 1 MODELNO DESCRIPTION 97011260 Top Bracket Assembly Left 1 A F 97011322 Top Stainless Model 2730 1 273001C 30 White 97011323 Top Stainless Model 2736 1 273002C 30 Biscuit 97010991 Scroll Box Assembly 1 273023C 36 Black 97011443 Gear Motor Cover 1 273601C 36 White 97010994 Air Box Assembly Model 2730 1 273602C 36 Biscuit 97010992 Air Box Assembly Model 2736 1 273623C 36 Black 1 1 1 1 1 1 4 Oo a NN EBONMe SB BON ss ENON Ss ar a NON Standard Hardware May be purchased locally Se
6. BROAN NU o MODELS 2730 amp 2736 ECLIPSE DOWNDRAFT BLOWER SYSTEM READ AND SAVE THESE INSTRUCTIONS 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 au thorities 5 When cutting or drilling into wall or ceiling do not damage electrical wiring and other hidden utilities 6 Do not use this range hood with an additional speed co
7. T FOR DUCT WORK Check for interference with floor joists wall studs electrical wiring or plumbing BLOWER gt 3 1 4 X 10 TO 6 RD TRANSITION SCREWS COLLAR 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 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 Re tighten 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 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 WIRING DIAGRAM gt gt 120 VAC LINE IN Hiz x z o a GEAR MOTOR YEL SWITCH WHT BLK Ne O O z a a 6 z a 9 Sos WHT WHT can AN ES BLK ES YEL ORG ORG BLU BLU BLU ORG YEL RED mL INSTALL COOKTOP 1 Align the cooktop with the downdraft and f
8. ack PLAN THE DUCTWORK ZA a 7 RIGHT DISCHARGE LEFT DISCHARGE DOWN DISCHARGE as shipped 1 This downdraft blower system is designed for use with 3 1 4 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 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 1 4 x 10 discharge facing DOWN See CHANGING BLOWER DI RECTION on page 3 if necessary 3 1 4 X 10 TO6 RD g TRANSITION i EQUALS 6 FT OF STRAIGHT DUCT 3 1 4 X 10 90 ELBOW EQUALS 8 FT OF STRAIGHT DU CT 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 PLAN THE WIRING 1 The downdraft blower system draws 4 AMPS and requires a 120 VAC 60 Hz circuit 2 The unit has a 2 ft long power cord
9. asten cooktop in place 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 ADJUSTMENT The downdraft is factory adjusted for proper operation How ever shipping and handling may affect the position of the activating switch To adjust position of activating switch WARNING To avoid possible electrical shock personal injury or death Disconnect electrical power 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 SWITCH MEMBRANE SCREWS SWITCH COVER SWITCH BRACKET 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 5 Replace switch cover gently lower air vent into chimney and plug in power cord Re connect electrical power and check operation 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 CONTROLS Turn the do
10. cabinet Service parts are available from your local Broan distributor or from the Broan Service Department P O Box 140 Hartford WI 53027 Phone 1 800 637 1453 SERVICE PARTS Models 2730 amp 2736 Downdraft Blower Systems 98008150 Scroll Box Cover 98008157 Capacitor Strap 97009786 Filter Kit Model 2730 contains 2 fliters 97009787 Filter Kit Model 2736 contains 2 fliters 99090905 End Cap 99080295 Gearmotor 99110850 Slide Strip 99170245 Screw 8 18 x 375 SLT HX WS HD 99150471 Screw 10 32 x 500 HX WS BDRH 99150491 Screw 8 18 x 375 SR PH TRH 99150488 Screw 8 18 x 500 No 5 PH Trim 98008158 Cover Air Box Opening Model 2730 98008185 Cover Air Box Opening Model 2736 99260488 Nut 10 24 98008144 Air Box Cover Model 2730 98008169 Air Box Cover Model 2736 97011500 Gearmotor Bracket Assembly 98008159 Leg Support 99150536 Screw 1 4 20 x 5 16 99250927 Washer 1 4 99160225 Screw 8 32 x 1 2 PH HD MS 99160356 Screw 10 24 x 3 8 SH WH LOCK 99160361 Screw 10 24 x 3 8 PH FL HD LD 99260437 Nut 10 24 HEX KEPS 99260477 Nut 1 4 20 WHIZ LOCK 99380633 U Bolt 10 24 99400048 Strain Relief 93260447 Nut Hex Flange 98008415 Wire Channel Clamp 93270493 Wire Tie 99271000 Capacitor 99160382 Screw 1 4 20 x 1 250 HEX HD 99150415 8 18 x 250 PH TR HD BPT 99100503 Seal Foam 30 99100504 Seal Foam 36 97011311 Blower Assembly Complete Includes Key Nos 2 9 20
11. ntrol device 7 Ducted fans must always be vented to the outdoors 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 When flaming foods turn the blower OFF An operating blower may spread the flames 13 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 FOLLOWING WARNING 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 immedi ately EVACUATE AND CALL THE
12. rvice Assembly Contains numerous parts WARRANTY BROAN NUTONE ONE YEAR LIMITED WARRANTY Broan NuTone 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 MER CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE During this one year period Broan NuTone 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 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 S OBLIGATION TO REPAIR OR REPLACE AT BROAN NUTONE S OPTION SHALL BE THE PURCHASER S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY BROAN NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL CONSEQUENTIAL OR SPECIAL DAMAGES
13. ut out the countertop BLOWER opening e Mount the unit in the 120 VAC cabinet GROUNDED e Connect the ductwork and electrical e Install the cooktop 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 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 SPECIFICATIONS DUCT 120 40 500 3 1 4 x 10 TAKE MEASUREMENTS 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 recom mended that oversized cabinets be used for easier installation 2 Cooktop depth can vary greatly from one to another This may cause the fit of these two appliances to be rather tight DOWNDRAFT FRONT TO BACK INSIDE CABINET DEPTH 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 b
14. wndraft blower ON by pressing down on the activating switch The air vent will rise KNOB 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 Turn the downdraft blower OFF by pressing the activating switch again The air vent will go down and the blower will shut OFF 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 USE AND CARE Continued CLEANING WARNING Always disconnect electric power supply before cleaning unit 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 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 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 MOUNT THE UNIT to remove the downdraft from the
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