USSC American Harvest 6100 Owner's manual

Brand: USSC

Model: American Harvest 6100

Category: Water heaters & boilers

Type: Owner's manual

This manual is also suitable for

6300C

USSC

A A

B B

Please read this entire manual before installation and use of this appliance. Failure to follow

these instructions could result in property damage, bodily injury, or even death.

Contact your local building or re ofcials about restrictions and installation inspection

requirements in your area.

Save these instructions.



Owner’s Manual

UNITED STATES STOVE COMPANY • 227 INDUSTRIAL PARK ROAD • SOUTH PITTSBURG, TENNESSEE 37380 • WWW.USSTOVE.COM

FOR TECHNICAL ASSISTANCE: PHONE: (800) 750-2723 FAX: (423) 837-2109

Part No.: 851782 rev A

UNITED STATES STOVE COMPANY

“Keeping North America Warm Since 1869”

MULTI-FUEL FURNACE MODEL 6500

American Harvest

2 USSC

TABLE OF CONTENTS ..............................................................................................2

SAFETY PRECAUTIONS ...........................................................................................3

SPECIFICATIONS .......................................................................................................4

 HeatingSpecications .....................................................................................4

 Dimensions ......................................................................................................4

 ElectricalSpecications ...................................................................................4

 SafetyandEPACompliance ............................................................................4

 FuelConsiderations .........................................................................................5

INSTALLATION .......................................................................................................... 5

 InstallationOptions ..........................................................................................6

 FloorProtection ............................................................................................... 6

 Clearances ......................................................................................................7

 VentingRequirements ..................................................................................... 8

 MaximumVentingDistance ............................................................................. 8

Pellet Vent Type ...............................................................................................8

 PelletVentInstallation ..................................................................................... 8

 PelletVentTermination ....................................................................................8

 VentTerminationClearances ........................................................................... 9

 ThroughtheWallInstallation ......................................................................... 10

 ThroughtheRoof/CeilingInstallation............................................................. 10

 PrimaryandSecondaryFurnaceIllustrations ................................................ 11

OPERATION ............................................................................................................. 12

 HowYourFurnaceWorks ..............................................................................12

 DamperControlAdjustment ........................................................................... 12

 ControlPanel .................................................................................................13

 UnitPreparation .............................................................................................14

 Start-UpProcedure ........................................................................................14

 ShutDownProcedure ....................................................................................14

 DailyOperation ..............................................................................................15

 SafetyandConvenienceFeatures ................................................................ 15

MAINTENANCE ........................................................................................................15

 ExhaustSystem .............................................................................................15

 InteriorChambers ..........................................................................................16

 AshDisposal ..................................................................................................16

 CheckandCleantheHopper ........................................................................ 16

 MainDoorGaskets ........................................................................................16

 FanMotors .....................................................................................................16

 PaintedSurfaces ........................................................................................... 16

 Glass ..............................................................................................................16

Fall Start-Up ...................................................................................................16

 SpringShutDown ..........................................................................................16

 YearlyServicing .............................................................................................16

REPAIR PARTS DIAGRAM & LIST .....................................................................17-18

WIRING DIAGRAM ...................................................................................................19

TROUBLE SHOOTING .............................................................................................20

ERROR CODES ........................................................................................................21

FLASHING INDICATORS .........................................................................................21

NOTES .................................................................................................................22-23

Table of Contents

USSC 3

Safety Precautions

IMPORTANT:Readthisentiremanualbeforeinstalling

and operating this product.  Failure to do so may

resultinpropertydamage,bodilyinjury,orevendeath.

Properinstallationofthisfurnaceiscrucialforsafeand

efcientoperation.

Install vent at clearances specified by the vent

manufacturer.

Donotconnectthepelletventtoaventservingany

otherapplianceorfurnace.

Do not install a ue damper in the exhaust venting

systemofthisunit.

Useofoutsideairisnotrequiredforthisunit.However,

fresh air and return air make-up is required for

maximum burn characteristics and heat distribution

throughoutyourhouse.

Contact your local building officials to obtain a

permitandinformationonanyadditionalinstallation

restrictionsorinspectionrequirementsinyourarea.

Do not throw this manual away.  This manual has

important operating and maintenance instructions

thatyouwillneedatalatertime.Alwaysfollowthe

instructionsinthismanual.

Thisheaterisdesignedandapprovedasamulti-fuel,

suchascornorwoodpellets,burningfurnace.Use

onlydriedshelledcornwithamoisturecontentof11%

orless(whichprovidesthebestresults).Apellettype

fuelusedshouldhaveanashcontentof1%orless.

Ifnot,efciencywillsuffer,andyourwarrantymaybe

voided.

Never use gasoline, gasoline-type lantern fuel,

kerosene, charcoal lighter uid, or similar liquids to

startor’freshenup’areinthisfurnace.Keepallsuch

liquidswellawayfromthefurnacewhileitisinuse.

Aworkingsmokedetectormustbeinstalledinthesame

roomasthisproduct.

Donotunplugthefurnaceifyoususpectamalfunction.

TurntheON/OFFSWITCHto”OFF’andcontactyour

dealer.

Your furnace requires periodic maintenance and

cleaning(see”MAINTENANCE”).Failuretomaintain

your furnace may lead to improper and/or unsafe

operation.



Disconnect the power cord before performing any

maintenance!NOTE:TurningtheON/OFFSwitchto

”OFF”doesnotdisconnectallpowertotheelectrical

componentsofthefurnace.

Nevertrytorepairorreplaceanypartofthefurnace

unless instructions for doing so are given in this

manual.Allotherworkshouldbedonebyatrained

technician.

Allow the furnace to cool before performing any

maintenance orcleaning.Ashes must be disposed

inametalcontainerwithatightttinglid.Theclosed

container of ashes should be placed on a non-

combustiblesurfaceorontheground,wellawayfrom

allcombustiblematerials,pendingnaldisposal.

Theexhaustsystemshouldbecheckedmonthlyduring

theburningseasonforanybuild-upofsootorcreosote.

Donottouchthehotsurfacesofthefurnace.Educate

all children on the dangers of a high-temperature

furnace.Youngchildrenshouldbesupervisedwhen

theyareinthesameroomasthefurnace.

Apowersurgeprotectorisrecommended.Thisunit

mustbepluggedintoa110-120V,60Hzgrounded

electricaloutlet.Donotuseanadapterplugorsever

the groundingplug.Donotroute the electrical cord

underneath,infrontof,oroverthefurnace.Donot

routethecordinfoottrafcareasorpinchthecord

under furniture.

Thefurnacewillnotoperateduringapoweroutage.

Ifapoweroutagedoesoccur,checkthefurnacefor

smokespillageandopenawindowifanysmokespills

intotheroom.

The feed door must be closed and sealed during

operation.

Never block free airow through the open vents of

the unit.

Keepforeignobjectsoutofthehopper.

Themovingpartsofthisfurnacearepropelledbyhigh

torqueelectricmotors.Keepallbodypartsawayfrom

theaugerwhilethefurnaceispluggedintoanelectrical

outlet.Thesemovingpartsmaybegintomoveatany

timewhilethefurnaceispluggedin.

Donotplaceclothingorotherammableitemsonor

nearthisfurnace.

Thisapplianceisnotintendedforcommercialuse.



4 USSC

Specications

InputBTU/Hr

50,000to105,000BTU/hr.

Heating Capacity

1,200-2,800sq.ft.

Fuel Burn Rate

5.0-13.0lbs./hr.

BurnTime(lowestsetting) 70hourscontinuous

HopperCapacity 320lbs



Height

43-1/8in. 

Width

28-1/2in. 

Depth

39-1/2in. 

Weight 250lbs.



BTUoutputwillvarydependingonthequalityandtypeoffuel.UsePFIlistedfuelsforthebestresults.

Heatingcapacitywillvarydependingonoorplanlayoutofyourhome,degreeofinsulation,andtheoutsidetemperature.

Fuelsizemayeffecttheactualrateoffuelfeedandburntimes.Fuelfeedratesmayvarybyasmuchas20%.UsePFIlistedfuelforbestresults.

Electrical Rating

110-120volts,60HZ,9.5Amps

Watts(operational)

1150(max.approx.)



SAFETY AND EPA COMPLIANCE

YourAmericanHarvestFurnace hasbeensafetytestedandlistedtoUL391,ASTM1509,and(UM)84-HUD,byOMNI-

TestLaboratories,Inc.Portland,OregonUSA.ItisalsoexemptfromEPAPhaseIIrequirements.

USSC 5

Fuel Considerations

SHELLED CORN (Dry,preferablycornwith11%orlessmoisturecontent)

•

Wetcornwillrapidlydeterioratefurnacecomponents,

reduceefciencyandvoidallwarranties.Purchaseamoisturetesterifindoubt.

Cornmustbecleanandfreefromdebris.Neverburncornrightfromtheeld.Damagecausedbydirtycornisnot

coveredbytheproductwarranty.Askforcleanbaggedcornonly.Stalkparts,excessivenesandcob

remnantswillclogtheauger.

NEVER BURN SEED CORN IN YOUR FURNACE. Seedcornistreatedwithchemicalpesticidesthatareharmful

orfatalifswallowed,therefore,seedcornisdangeroustohaveinthehouse,especiallywherechildrencanreachit.

Neverburn“DeerCorn.”Itfrequentlycontainsmolasses/sugars.

Storeyourcornsupplyinadryplaceandkeepbagsorcontainersealedtopreventyourcornfromabsorbingexcess

moisture.Testthemoisturecontentperiodicallytoensuretheproperdryness.

Therearemanyvarietiesofcorngrownaroundtheworld.Eachvarietyhasuniquecharacteristicsincludingthe

shapeandsizeofthekernel.Yourfurnacewillburnmoreconsistentlywithasmalltomidsizekernelcorn.If the

kernelsizeofthecornvariesgreatlyorifyouswitchsourcesfrequently,youwillgetalessconsistentburn. There-

fore,purchasingcornfromthesamesourcewillhelpachieveamoreconsistentburn.DO NOT USE CORN WITH

A HIGH WAX CONTENT!

Oystershellishighlyrecommendedforbestburnoperationsandtoreduceclinkerbuild-up

WOOD PELLETS

•

Aswithcorn,beconsistentinyourpelletsupplier.Pelletswillvaryincontentandburncharacteristicsfromsupplier

tosupplier.Aconsistentsupplyofpelletswillresultinamoreconsistentandefcientburn.

Checkyourpelletsforforeignobjects.Yourfurnacewarrantywillnotcoverdamagedonetoyourfurnacedueto

foreignobjectsinthefuelsupply.

Storeyourpelletsinadryplacetopreventthemfromabsorbingaddedmoisture.

Todecreasesawdustbuildup,thehopperwillneedtobevacuumedoutafterevery6-8bagsofpelletsormoreoften

ifthepelletsarepoorquality.Youmayhavetoscreeneachbagofpelletsifsawdustbecomesaproblem.

WoodPelletsvaryinsizeandashcontentfromlessthan1%to3%ormore.Yourfurnacewillburnmoreefciently

withsmalltomidsizepellets.Lowashcontentpelletswillallowyoutoburnthefurnacelongerbetweencleanings.

OnlywoodpelletsmanufacturedtotheAssociationofPelletFuelIndustries(A.P.F.I.)standardforresidentialpel-

letfuelsarerecommended.Performancewillsufferifnonstandardpelletsareused.ConsultyourlocalAmerican

Harvestresellerformoreinformationonapprovedwoodpelletfuel.

CAUTION: DO NOT PLACE SUCH FUELS WITHIN THE SPACE HEATER’S INSTALLATION

CLEARANCES OR WITHIN THE SPACE REQUIRED FOR CHARGING AND ASH REMOVAL.

6 USSC

INSTALLATION OPTIONS







Asa—theunitfunctionsindependentlyofanyothersystem.The“RoomAir”blowerswillcomeon

whentheplenumandExhausttemperaturesreachapresetpointonthefurnace’scircuitboard(PCB).Unitmayalso

beusedasastand-aloneshopheater

Asa—theunitaidsanexistinggas/electricfurnacehelpingcutdownonoperationtime.

ItisrecommendedthatonlyaauthorizedtechnicianinstallyourMulti-FuelFurnace,preferablyanNFIcertiedspecialist.



Installation

IMPROPER INSTALLATION: Themanufacturerwillnotbeheldresponsiblefordamagecausedbythemal-

functionofafurnaceduetoimproperventingorinstallation.Call(800)750-2723and/orconsultaprofessional

installerifyouhaveanyquestions.

FLOOR PROTECTION

Thisunitmustbeinstalledonanon-combustibleoorsurface.Ifaoorpadisused,itshouldbeULlistedorequal.

Theoorpadornon-combustiblesurfaceshouldbelargeenoughtoextendaminimumof6-inchesinfront,6-incheson

eachside,and1-inchbehindthefurnaceforhorizontaltermination.

Floorprotectionmustextendunderand2-inchestoeachsideofthechimneyteeforaninteriorverticaltermination.

AFloorProtectorof1inchthickisrecommendedforthisinstallation.

ADDITIONAL ITEMS NEEDED FOR INSTALLATION

•ULlisted3inchor4inch(Dependingonapplication)“PL”pelletventingexhaustsystem.

•Airdistributionductwork.Transitionfrom4.5inchx18.5inchrectangleto10inchroundisprovided.

•Airlter(Optional).Size:10x20x1

•FloorProtection(Ifnotinstalledonanon-combustibleoor)

•Airreturnventfromthehousetotheroomwherefurnaceisinstalled.

•Freshairforcombustioniflocatedinasmall,tightlyconstructedroom.

USSC 7

Installation

CLEARANCES

NOTE: Distance on the left-hand side of your Multi-Fuel Furnace is set at 24 inches for suitable access to

the control panel and for fuel loading. This distance may be less, but not less than 7 inches.

8 USSC

Installation

VENTING REQUIREMENTS







Thefollowinginstallationguidelinesmustbefollowedtoensureconformitywithboththesafetylistingofthisfurnace

andtolocalbuildingcodes.



IMPORTANT! Thisunitisequippedwithanegativedraftsystemthatpullsairthroughtheburnpotand

pushestheexhaustoutofthedwelling.Ifthisunitisconnectedtoauesystemotherthanthewayexplained

inthismanual,itwillnotfunctionproperly.

MAXIMUM VENTING DISTANCE

InstallationMUSTincludeatleast3-feetofverticalpipe.Thiswillcreatesomenaturaldrafttoreducethepossibilityof

smokeorodorduringapplianceshutdownandkeepexhaustfromcausinganuisanceorhazardbyexposingpeopleor

shrubstohightemperatures.Themaximumrecommendverticalventingheightis12-feetfor3-inchtype“PL”vent.Total

lengthofhorizontalventMUSTNOTexceed4-feet.Usenomorethan180degreesofelbows(two90-degreeelbows,

ortwo45-degreeandone90-degreeelbow,etc.)tomaintainadequatedraft.

PELLET VENT TYPE

AULlisted3-inchor4-inchtype“PL”pelletventexhaustsystemmustbeusedforinstallationandattachedtothepipe

connectorprovidedonthebackofthefurnace(usea3-inchto4-inchadapterfor4-inchpipe).Use4-inchventifthe

ventheightisover12-feetoriftheinstallationisover2,500feetabovesealevel.

WerecommendtheuseofSimpsonDura-Vent

orMetal-Fab

pipe(ifyouuseotherpipe,consultyourlocalbuilding

codesand/orbuildinginspectors).DonotuseType-BGasVentpipeorgalvanizedpipewiththisunit.Thepelletvent

pipeisdesignedtodisassembleforcleaningandshouldbecheckedseveraltimesduringtheburningseason.Pellet

ventpipeisnotfurnishedwiththeunitandmustbepurchasedseparately.

PELLET VENT INSTALLATION

Theinstallationmustincludeaclean-outteetoenablecollectionofyashandtopermitperiodiccleaningoftheexhaust

system.90-degreeelbowsaccumulateyashandsoottherebyreducingexhaustowandperformanceofthefurnace.

Eachelboworteereducesdraftpotentialby30%to50%.

Alljointsintheventsystemmustbefastenedbyatleast3screws,andalljointsmustbesealedwithHI-TEMPRTV

siliconesealanttobeairtight.Theareawheretheventpipepenetratestotheexteriorofthehomemustbesealedwith

siliconeorothermeanstomaintainthevaporbarrierbetweentheexteriorandtheinteriorofthehome.

Ventsurfacescangethotenoughtocauseburnsiftouchedbychildren.Noncombustibleshieldingorguardsmaybe

required.

PELLET VENT TERMINATION

Donotterminatetheventinanenclosedorsemi-enclosedarea,suchas;carport,garage,attic,crawlspace,undera

sundeckorporch,narrowwalkway,oranyotherlocationthatcanbuildupaconcentrationoffumes.

Theterminationmustexhaustabovetheoutsideairinletelevation.

Theterminationmustnotbelocatedwhereitwillbecomepluggedbysnoworothermaterials.

USSC 9

Installation

VENT TERMINATION CLEARANCES:

A Minimum4-footclearancebeloworbesideanydoororwindowthatopens.

B Minimum1-footclearanceaboveanydoororwindowthatopens.

C Minimum3-footclearancefromanyadjacentbuilding.

D Minimum7-footclearancefromanygradewhenadjacenttopublicwalkways.

E Minimum2-footclearanceaboveanygrass,plants,orothercombustiblematerials.

F Minimum3-footclearancefromaforcedairintakeofanyappliance.

G Minimum2-footclearancebeloweavesoroverhang.

H Minimum1-footclearancehorizontallyfromcombustiblewall.

I Mustbeaminimumof36-inchesabovetheroofand24-inchesabovethehighestpointoftheroofwithin10-feet.

VENTTERMINATIONCLEARANCES

10 USSC

Installation

THROUGH THE WALL INSTALLATION (RECOMMENDEDINSTALLATION)

Toventtheunitthroughthewall,connectthepipeadaptertotheexhaustmotoradapter.Iftheexhaustadapterisatleast

18-inchesabovegroundlevel,astraightsectionofpelletventpipecanbeusedthroughthewall.

Yourfurnacedealershouldbeabletoprovideyouwithakitthatwillhandlemostofthisinstallation,whichwillinclude a

wallthimblethatwillallowtheproperclearancethroughacombustiblewall.Onceoutsidethestructure,a3-inchclearance

shouldbemaintainedfromtheoutsidewallandacleanoutteeshouldbeplacedonthepipewitha90-degreeturnaway

fromthehouse.Atthispoint,a3-foot(minimum)verticalsectionofpipeshouldbeaddedwithahorizontalcap,which

wouldcompletetheinstallation.

Asupportbracketshouldbeplacedjustbelowtheterminationcaporoneevery4-feettomakethesystemmorestable.

Ifyouliveinanareathathasheavysnowfall,itisrecommendedthattheinstallationbetallerthan3-feettogetabovethe

snowdriftline.Thissameinstallationcanbeusedifyour furnace isbelowgroundlevelbysimplyaddingtheclean-out

sectionandverticalpipeinsideuntilgroundlevelisreached.Withthisinstallationyouhavetobeawareofthesnowdrift

line,deadgrass,andleaves.Werecommenda3-footminimumverticalriseontheinsideoroutsideofthehouse.

The“throughthewall”installationistheleastexpensiveandsimplestinstallation.Neverterminatetheendventundera

deck,inanalcove,underawindow,orbetweentwowindows.WerecommendSimpsonDura-Vent

orMetal-Fab

kits.

THROUGH THE ROOF/CEILING INSTALLATION

Whenventingthefurnacethroughtheceiling,thepipeisconnectedthesameasthroughthewall,excepttheclean-out

teeisalwaysontheinsideofthehouse,anda3-inchadapterisaddedbeforetheclean-outtee.

Youmustusetheproperceilingsupportangesandroofashing(suppliedbythepipemanufacturer;followthepipe

manufacturer’sdirections).Itisimportanttonotethatifyourverticalrunofpipeismorethan15-feet,thepelletventpipe

sizeshouldbeincreasedto4-inchesindiameter.

Donotexceedmorethan4-feetofpipeonahorizontalrunanduseasfewelbowsaspossible.Ifanoffsetisrequired,

itisbettertoinstall45-degreeelbowsratherthan90-degreeelbows.

1 Vertical Cap

2 StormCollar

3 AdjustableRoofFlashing

4 CathedralCeilingSupportBox

5 Pipe

6 45°Elbow

7 90°Elbow

8 HorizontalCap

9 WallThimble

10 BlackCeilingSupportFirestopSpacer

11 SingleTeewithClean-OutAdapter

12 TeeSupportBracket

13 DoubleTeewithClean-OutAdapter

USSC 11

Installation

PRIMARY FURNACE



Wheninstalledasasecondaryfurnace,aDuctDampermustbeinstalledbetweentheairdischargeofthe6500furnace

andtheprimary(Gas,Electric,etc.).Thisductdamperpreventstheairfromtheprimaryfurnacefrombackowingto

thesecondaryfurnace.Dampermustbeamechanical(springreturn)stylewithasimpleclosureswitchtodetermineif

thedamperisopenedorclosed.Thedamperwillconnecttothemulti-fuelfurnace’sprintedcircuitboard(PCB).See

wiringdiagraminthismanual.

12 USSC

Component Location

USSC 13

ON OFF

Auger

Delay

Mode

Auto

Manual

Heat

Range

Room

Fan

Draft

Fan

Aux.

CONTROL PANEL

TurningthefurnaceOFF/ON,aswellasadjustmentsforthefuelfeedrate

androomfanspeedareperformedbypressingtheappropriatebutton(s)

onthecontrolpanelwhichislocatedonthelowerleft-handsideofyour

American Harvest furnace.

Thisunitcanbechanged betweenanautomatic operationoramanual

operation.Thecontrollercomesdefaultintheautomaticmode.

Pressing the “ON” button on the control panel will begin the start-up

sequenceforthefurnace.Fuelwillbegintofeedthroughtheaugerfeed

systemafter3minutes.Pressingandholdingthe“ON”buttonwillrotate

theaugercontinuouslyuntilbuttonisreleased,whichfeedsadditionalfuel.

Pressingthe“OFF” buttononthecontrolpanelwillcausethefurnaceto

enteritsshut-downsequence.Thefuelfeedsystemwillstoppullingfuel

fromthehopperand,oncetheregoesoutandthefurnacecoolsdown,

thefanswillstoprunning.

Pressingthe“Heat Range”arrows,upordown,willadjusttheamountof

fuelbeingdeliveredtotheburnpot.

Thisunitcomespresetfromthefactorytoburnshelledcorn.Thedisplay

willshowa“Cr”infrontoftheheatsetting.Ifburningonlywoodpellets,this

settingmustbechanged.Tochange,pressandholdtheheatrangeupand

downbuttonssimultaneouslyforapproximately2-3seconds.Thedisplay

willchangefrom“Cr”to“Pr”.Ifburningapellet(50%)andcorn(50%)mix,

the“Cr”settingwillworkthebestforoptimumperformance.

Thedraftfan(exhaust)willcomeonassoonasthe“ON”buttonispressed.Thefanwillautomaticallyadjustitsspeed

inaccordancetotheheatrangesetting.However,thisspeedcanbemanuallyoperatedbypressingthe

arrowsupordown.“DraftFan”whenpressed,thedisplaywillshow“Df-A”,whichisautomatic.Pressthearrowsagain

toadjustfanspeed.Whenthefurnaceisinthemanualmode,theoptionalthermostatwillnotproperlycontroltheunit.

WhenadjustingtheDraftFansetting,tryonly1settingaboveorbelowtheheatsetting.

Theroomfan(s)willcomeononcetheunithasreachedoperatingtemperature.Theroomfanswillautomaticallyadjust

theirspeedinaccordancewiththeheatrangesetting.Bypressingthebuttons,thedisplaywillshow“Rf-

A”whichisautomaticorhowmanyfansarerunning.

The buttonisforAgitatoroperation.Whentheunitis“OFF”,pressingthe“Aux”arrowswillrotatetheagitator

foreasyremovalforcleaning.Theagitator,wheninAutomaticmode,willoperateatsetintervals.However,thesecan

bechangedbypressingthearrowsonthe“Aux”button.Theagitatorcanbeadjustedfrom0to9,setting“0”isoffand

setting“9”ishigh.

The buttoncanbeusedtopauserotationoftheAugerandAgitatorforapprox.1minute.Thiscanbe

cancelledbypressingthe“ON”button.

The buttonisusedtoswitchbetweenmanualandautomaticmode.Wheninautomode,thefans,auger,and

agitatorwilloperateatpresetintervalsunlesschangedmanuallyusingthebuttonsmentionedabove.Wheninmanual

mode,thedraftfan(exhaust)willoperateatfullspeed(100%),sotheairmustbecontrolledwiththedamperjustbelow

theviewingdoor.

Duringnormaloperation,theunitisconstantlymonitoredforproblems.Intheeventofanerrorcondition,theunitwill

stopandanerrorwillbedisplayed.Seethelistoferrorcodesfoundattheendofthismanual.

Operation

14 USSC

LIGHTING INSTRUCTIONS

CAUTION: DONOTUSECHEMICALSORFLUIDSTOSTARTTHEFIRE

  HOTWHILEINOPERATION.KEEPCHILDREN,CLOTHINGANDFURNITUREAWAY.CONTACT

  MAYCAUSESKINBURNS.



area. Pressthe“On”buttonandallowyourheatertorunforatleast4minutes,tocheckforproperoperation.Onceyour

heaterisstarted,youwillnoticethedraftfanstartsimmediately.Ifyoupressthe“HeatSetting”buttonup,thedraftfan

changesspeed,increasingspeedthehighertheheatsetting.After3minutes,theaugerandagitatorwillstartrotating.

Theroomfanswillnotoperateuntilyourfurnacereachespresetoperatingtemperatures.Ifproperoperationof

yourheaterisconrmed,youcanaddfueltothehopperandallowtheaugertopurgethefueltotherepot.

Turn the Heater tothe“OFF”positionandplaceasmallhandfulofwoodpelletsorrestartingpellets(Pelletsthat

alreadycontainrestarter)intherepot.





Squirtonlyasmallamountofrestartergelontopofthewoodpellets(NOTnecessaryifusingrestartingpellets).

Lighttherestarterandwaitapprox.1-minuteforittostartactivelyburning.

Pressthe“On”button,adjusttheheatrangetoread“Cr-3”or“Pr-3”dependingonfuelsetting.Pullthedamperout

approximately1inch.Thiswillautomaticallymatchyourfeedratewiththepropercombustionair.Asyouincrease

theheatsetting,yourfeedrateandcombustionairincreasetogether.Oncetheunitreachesoperatingtemperature,

youmayreducetheheatsetting.

Threeminutesafterturningthestove“On”,theaugerwillbeginfeedingfuelintotherepotalongwiththeagitator

turning.Youshouldhavethestartingfuelcompletelyburningintherepotastheagitatorrotates.NOTE:Ifthestart-

ingfuelisnotburninghotenough,youmayseetherebegintogooutasnewfuelisbeingadded.Ifthisoccurs,

pressingthe“AugerDelay”buttonwillallowtheaugertopausefor1minute.Pressingthe“ON”buttonwillresume

theaugerif1min.istoolong.Ifnotenoughfuelisthereasonfornotburning,pressingandholdingthe“ON”button

willallowtheaugertoruncontinuouslyuntilyoureleasethebutton.

Oncethefuelstartsburningaggresively,youcanadjusttheheatsettingtoyourdesiredrange.Makesurethatyou

pullthedamperoutapproximately1inch.Itmayneedtobepulledoutmoreforhigherheatsettings.Tryopeninga

1/4inchatatime.

Asyoubegintohavebetterunderstandingofhowtheheater operatesandtheamountofheatyourequire,youcan

adjusttheheatsettingsupordowntoyoursatisfaction.





-Iftheheaterisbeingoverred,burnedtoohot,theheaterwillautomaticallyshutdowntoavoid

damagetocomponentsintheheater.Referto“LightingInstructions”forproperuse.

•

SHUT-DOWN PROCEDURE

Pressthe“OFF” buttononthecontrolpaneltoputthefurnaceinshutdownmode.Atthistime,theredlightabovethe

“OFF”buttonwillilluminate.Oncethisisdone,theaugerwillstopfeedingfuel,buttheroomairfan(s)anddraftfanwill

continuetooperate.Whentheinternaltemperatureoftheunitdropsbelowthefactorypresettemperatures,theroom

airfansanddraftfanwillceasetooperate.Theredlightwillthenshutoffandtheunitwillbecompletelyshutdown.

Thehottertheunitisduringitsoperation,thelongeritwilltakeforthefurnacetocompletetheshutdowncycle.Ifthe

furnacestaysonformorethan2hoursafterpressingthe“OFF” buttonandyouaresurethatthereisout,thefurnace

canbeunpluggedfromtheoutlet.Afterapproximately10seconds,theunitcanbere-connectedtothepowersource

andthecontrolboardwillbereset.



START-UP PROCEDURE

USSC 15

Maintenance

Operation

DAILY OPERATION







Intheeventofa,thefurnaceWILLNOTfunction.Itisveryimportantthatunitbeventedproperly,as

thenaturaldraftisneededtoclearthesmokefromthefurnaceduringapoweroutage.Iftheunitwas“ON” whenthe

poweroutageoccurred,oneofthefollowingwilltakeplacewhenpowerisrestored:

Ifthefurnaceisstillwarm,itwillresumefeedingfuelandcontinuetooperatenormally.Iftherehasgoneout,you

willhavetopressthe“OFF” buttonandthenthe“ON” buttonagaintobeginanewstart-upsequence.

Ifthefurnacehascooled-off,itwillresettoits“OFF” condition.Atthispoint,youmaypressthe“ON” buttonto

beginanewstart-upsequence.

NOTE:Theunitwillalsoshutdownintheeventofandraftfanfailure;ifthisisthecase,theunitwillnotre-startandyou

mustcontactCustomerServiceat(800)750-2723.

SAFETY AND CONVENIENCE FEATURES

YourAmerican Harvest incorporatesathathelpsensurethateverythingisinproperworking

orderbeforefeedingfueltotheburnpot.Becausethefurnaceworksusinganinduceddraftpressure,thefurnacewill

notcontinuetooperateiftheviewingdoorisleftopen;orifthedraftfanfailsortheexhaustsystemisblocked.

The willpreventyourfurnacefromoperatingatabnormallyhightemperatures.Shouldthe

furnacetemperaturebegintoapproachthefactorypre-setlimit,thetemperaturelimitcontrolwillautomaticallyslowdown

theaugerfeedrateuntilthetemperaturereturnstoanormalcondition.Bothroomairfanswilloperateatfullspeedalso

untilthefurnacereturnstonormaloperatingtemperatures.

Ifyourfurnacecontinuestocutbackbecauseitisreachingthetemperaturelimits,reducethe“heatsetting”tothenext

lowersetting.

1.)

2.)













EXHAUST SYSTEM

Thebyproductsofcombustioncontainsmallparticlesofyash.Flyashwillcollectintheexhaustventingsystemand

restricttheowofuegases.Incompletecombustion,suchasduringstartup,shutdown,orincorrectoperationofthe

furnacewillleadtosootformationwhichwillcollectintheexhaustsystem.Therefore,itisimportantthattheexhaust

systembeduringtheburningseason.

Checkthecleanoutteesperiodicallytodeterminetherequiredcleaningschedule.3or4-inchchimneybrushesare

availableforchimneycleaning.Iftheexhaustsystemoroutsideairpipeshavescreensonthem,frequentlycleanthe

screen.Apluggedscreenwillshutoffcombustionairandcausearetodieorburnpoorly.



16 USSC

INTERIOR CHAMBERS

OpentheAshCleanoutsandscrapallashintotheashpan.Openthedamperandallowtheashestofallintotheashpan.The

dampermayneedtobeslideinandoutseveraltimestoclearanyashbuild-up.Thismayneedtobedonedailydependingonfuel

consumption.Besuretheashcleanoutslocatedoneithersideofthedamperarecompletelyclosedbeforeoperating.

Periodicallyremoveandcleantheburnpotandtheareainsidetheburnpothousing.Inparticularitisadvisabletocleanouttheholes

intheburnpottoremoveanybuildupthatmaypreventairfrommovingthroughtheburnpotfreely.

PlacingtheBurnpotandtheAgitatorinabucketofwaterandallowingtosoakwillhelpwiththeclinkerbuild-upandremoval.

Removethetwocleanoutslidesoneachsideoftheburnpotattherearoftheburnchambertocleanoutallash.

Removetheexhaustcleanoutplatelocatedbehindtheashpanandcleantheexhaustductofallash.

Ifavacuumisusedtocleanyourfurnace,wesuggestusingavacuumdesignedforashremoval.Someregularvacuumcleaner(i.e.

shopvacs)mayleakashintotheroom.

ASH DISPOSAL

Ashesshouldbeplacedinametalcontainerwithatightttinglid.Theclosedcontainerofashesshouldbeplacedonanoncombustible

oororontheground,wellawayfromallcombustiblematerials,pendingnaldisposal.Iftheashesaredisposedofbyburialinsoil

orotherwiselocallydispersed,theyshouldberetainedintheclosedcontaineruntilallcindershavebeenthoroughlycooled.



Checkthehopperperiodicallytodetermineifthereisanyfuelorfuelmatterthatisstickingtothehoppersurface.Cleanasneeded.



Inspectthemaindoorandglasswindowgasketsperiodically.Themaindoormayneedtoberemovedtohavefrayed,broken,or

compactedgasketsreplacedbyyourAuthorized“American Harvest”Dealer.

Also,becarefulnot todamagethegasketsonthe backsideofthecleanoutsonthefront oftheunit.Ifgaskets becometornor

damaged,theymustbereplaced.

FAN MOTORS

Cleantheairholesonthemotorsofboththedraftfanandroomairfansannually.Removethedraftfanfromtheexhaustductand

cleanouttheinternalfanbladesaspartofyourfallstart-up.AnewgasketmaybepurchasedfromUSStove’sPartsDepartment.

Replacethecustomersuppliedairlteronthebackofthefurnaceonaregularbasisifinstalled.

PAINTED SURFACES

Paintedsurfacesmaybewipeddownwithadampcloth.Ifscratchesappear,oryouwishtorenewyourpaint,contactyourAuthorized

“American Harvest”Dealertoobtainacanofsuitablehigh-temperaturepaint.

GLASS

Werecommendusingahighqualityglasscleaner.Shouldabuildupofcreosoteorcarbonaccumulate,youmaywishtouse000

steelwoolandwatertocleantheglass.Intheeventyouneedtoreplacetheglass,onlyhightemperatureceramicglassofthecorrect

sizeandthicknessmaybeused.ContactyourAuthorized“American Harvest”Dealertoobtainthisglass.

FALL START UP

Priortostartingtherstreoftheheatingseason,checktheoutsideareaaroundtheexhaustandairintakesystemsforobstructions.

Cleanandremoveanyyashfromtheexhaustventingsystem.Cleananyscreensontheexhaustsystemandontheoutsideair

intakepipe.Turnallofthecontrolsonandmakesurethattheyareworkingproperly.Thisisalsoagoodtimetogivetheentire

furnaceagoodcleaningthroughout.

SPRING SHUTDOWN

Afterthelastburninthespring,removeanyremainingfuelfromthehopperandtheaugerfeedsystem.Scoopoutthefuelandthen

runtheaugeruntilthehopperisemptyandfuelstopsowing(thiscanbedonebypressingthe“ON” buttonwiththeviewingdoor

open).Vacuumoutthehopper.Thoroughlycleantheburnpot,andrebox.Itmaybedesirabletospraytheinsideofthecleaned

hopperwithanaerosolsiliconesprayifyourfurnaceisinahighhumidityarea.Theexhaustsystemshouldbethoroughlycleaned.

YEARLY SERVICING

AyearlyservicingandcleaningbyyourAuthorized“American Harvest”Dealerisrecommended.Afeemaybechargedforthisservice.

Maintenance

USSC 17

Parts Diagram

212019

33 32

30 29 27

18 USSC

Parts List

A A

B B

PARTSLIST

ITEM

PARTNO

TITLE

QTY

1 25507 PAINTED,FEEDDOOR 1

2 25492 PAINTED,DOORHANDLE 1

3 83506 3/8x1-1/4ROLLPIN 1

4 891053 DOORGLASSW/OLOGO 1

88066 GASKET,5/8ROPE 1

6 88087 GLASSGASKET(1x3/16) 1

25520

RETAINER,BOTTOMGLASS

8 25521

RETAINER,TOPGLASS

9 83278

#10FLATWASHER

10 83202

MACHINESCREW

11 89574

HANDLE,SPRING

12 25393

GLASSRETAINER

   

1 25507 FeedDoor 1

2 25492 Handle,Door 1

3 83506 3/8x11/4RollPin 1

4 891053 DoorGlassw/oLogo 1

5 88066 5/8”RopeGasket 4.5ft

6 88087 GlassGasket(1x13/16) 3ft

7 25520 BottomGlassRetainer 1

8 25521 TopGlassRetainer 1

PARTSLIST

   

9 83278 Washer 4

10 83202 MachineScrew 4

11 89574 Spring Handle 1

12 25393 Retainer,Glass(AlternateFor7&8) 1

N/S 25080MB DoorLatch 1

N/S 83508 5/16-18x1-3/4Bolt 1

N/S 83338 5/16-18Lock-Nut 1

N/S-NotShown

   

1 891481 TopCoverWeldment 1

2 891471 LidWeldment 1

3 891375 SidePanel,Right 1

4 891376 Weld.,LeftSidePanel 1

5 891438 AccessPanel,Back 1

6 80554 Assembly,CircuitBoard 1

7 69524 Assembly,FeedDoor 1

8 83508 5/16-18x3/4Bolt 1

9 25080 Latch,Door 1

10 891372 Pad,DoorHinge(Threaded) 2

11 891262 Bafe 1

12 891440 Cleanout,Ash 2

13 891461 Cover,ExhaustCleanout 1

14 83551 WingNut,1/4-20Brass 2

15 891445 AshPanAssembly 1

16 88047 RopeGasket,3/4x1/8w/Adhesive 4ft

17 891327 Latch,Mini-Lift&Turn 2

18 891364 Hearth Plate 1

19 891457 Cleanout,Ash(Lower) 2

20 891485 Weldment,Damper 1

21 89954 SpringHandle(Small) 1

22 891455 Weldment,Burnpot 1

23 40501 Agitator,Cast 1

24 83529 Hairpin 2

25 88111 Gasket,AgitatorBracket 1

- 891232 Assy,AgitatorBracket(Items26,27,28) 1

26 891220 MountingBracketfor3/4”Bushing 1

27 891132 3/4”Bushing 3

28 83534 Retaining Ring 3

29 86620 DriveShaft 1

30 83533 RollPin 1

31 80488 DriveMotor 1

32 25427 Retainer,AgitatorMotor 1

33 891284 AccessPanel,AgitatorMotor 1

34 80530 800CFMRoom(Distribution)Fan 2

35 88127 Gasket,Blower 2

   

36 80495 120 CFM Draft Fan 1

37 88123 Gasket,Blower120CFM 1

38 891491 Transition,ExhaustBlower 1

39 80531 RTD,Platinum 1

40 891269 Assy,AugerHousing 1

41 891141 Auger 1

42 891248 Weldment,BottomPlateRetainer 1

43 891195 Bracket,DriveMotor 1

44 891169 Hose,Heater 2

- 69513 Assy,BushingRetainerBot.(Items45,26,28) 1

45 891190 Plate,BottomBushing 1

- 69514 Assy.,BushingRetainerTop.(Items46,26,28) 1

46 891189 Plate,TopBushing 1

47 891180 Cover,Auger 1

48 80529 AugerMotor 1

49 891470 HopperAssembly 1

50 80491 Micro-Switch,HopperLid 1

N/S 80499 WiringHarness,LidSwitch 1

N/S 80497 WiringHarness,Main 1

51 80462 Recepticle,3Prong 1

52 80461 Cord,PowerSupply 1

53 891187 Brkt,PressureSwitch/PCB 1

54 80549 PressureSwitch,DualPort 1

N/S 83905 3/4”SnapBushing 2

55 891121 Hose,Silicone 1.2ft

56 89586 Nipple,Auger 1

57 89603 BrassConnector 1

58 83537 HoseClamp(#4) 2

59 80501 Thermistor(LongLead) 1

60 891296 TransitionDuct,10”Round 1

61 891374 AccessPanel,Plenum 1

62 25681 PrimaryBlower,IsolationPanel 1

63 25680 SecondaryBlower,IsolationPanel 1

64 25683 BridgePlate,IsolationPanel 1

N/S=NotShown

USSC 19

Wiring Diagram Amendment

20 USSC

Trouble Shooting

PROBLEM CAUSE:Notenoughcombustionair;Fuelhastoomuchmoisture.

Viewing window becoming black

shortlyafterstart-up.

 Adjusttheairdampertoamoreopenposition.

 Useafuelwithlessmoisturecontent

PROBLEM CAUSE:Notenoughcombustionair;Fuelhastoomuchmoisture.

“BlackPopcorn”ispresentintheburn

chamber.

 Adjusttheairdampertoamoreopenposition.

 Useafuelwithlessmoisturecontent

 Stovemightbecyclingexcessivelyduetotemperaturecutbacks.

 Reduceheatsetting

PROBLEM CAUSE:Chemicalreactionbetweenthestarchincornandtheheat.

“Clinkers”forminburnpot.  Addcalciumcarbonate(akachickenscratchoroystershell).

 Adjustairmixture

• Usecornwithlessmoistureorstarch.

PROBLEM CAUSE:Unitisreachingthe“AlmostOver-temp”preset.

Unitcyclesupanddownwhenonthe

“HIGH”heatsetting.

 Adjusttheheatrangetolowersetting.

 Fuelburnshotcausingthefurnacetocyclebetweenhighsettingand

lowersettings.











PROBLEM CAUSE:Toorichair/fuelmixture

Orange, lazy flame, excessive fuel

build-upintheburnpot

 Cleanouttheburnpotandburnpothousing

 Adjusttheairdamperonthefrontofthefurnacetoanopenposition.

 Makesurethattheviewingdoorisclosedandsealedproperly.Ifnot,

checkdoorgasket..

 Checkthatalloutsideconnectionsareclearofanyobstructions.

 Checktheexhaustsystem;cleanasneeded.

PROBLEM CAUSE:Burnpotburnsoutoffuel

Firegoesoutorfurnaceshutsdown.  Hopperisempty,rellthehopper.

 Lossofdraftpressure.Makesurethattheviewingdoorisclosedand

sealed properly.  Check that all outside connections are clear of any

obstructions.Checktheexhaustsystem;cleanasneeded.

 Checkthatthepressureswitchconnectiontothereboxisfreeofashor

clearofobstructions.

 Augersystemisjammedorthereisa“bridging”ofthefuelinthehopper,

preventingfuelfromowingintotheaugerfeedsystem.

Stovemaybeshuttingdowntoanovertemperturecondition.

PROBLEM CAUSE:Corniswetorithasaveryhighmoisturecontent.

Cornbuildsupandisnotburningcom-

pletely.Steamiscomingfromthecorn.

 Usecornwithamoisturecontentof11%orlessforbestresults.

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USSC American Harvest 6100 Owner's manual

Brand: USSC

Model: American Harvest 6100

Category: Water heaters & boilers

Type: Owner's manual

This manual is also suitable for

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USSC American Harvest 6100 Owner's manual

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USSC American Harvest 6100 Owner's manual

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