United States Stove 5660 User manual

Brand: United States Stove

Model: 5660

Category: Stoves

Type: User manual

This manual is also suitable for

1

Report#:

215

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4 and 215

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InstallationandOperatingManual

Models5660(I)



SafetyNotice

Please read this entire manual before installation and use of this pellet fuel‐burning room heater. Failure to follow

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



If your heater is not properly installed, a house fire may result. For everyone’s safety, FOLLOW all Installation and

Operating

Directions.Neverusemakeshiftcompromisesduringtheinstallationofthisappliance.



Contactyourlocalbuildingorfireofficialsaboutrestrictionsandinstallationinspectionrequirementsinyourarea.



ThesePelletStoveRoomHeatershavebeendesignedforuseintheUSandCanadaandaresuitableformobilehomes.

SaveTheseInstructions

UnitedStatesStoveCompany•227IndustrialParkRoad,SouthPittsburg,TN37380•Ph#:(800)750‐2723



Tested&

ListedBy

PartNo.:851901

2

TABLEOFCONTENTS

Topic

Page(s)



Introduction3

SafetyInformation4‐5



Specifications6



Dimensions6‐7



OperatingInstructions 8‐11



ThermostatInstallation12



ClearancestoCombustibles       13



InstallingYourRoomHeater14‐23



MobileHomeInstallations 24



InsertPelletStoveInstallation25‐28



VentTerminationLocations29



Maintenance30‐33



Troubleshooting34‐36



WiringDiagram37



ReplacementPartsList38



Warranty39



3

Introduction



Theentirefamilyof UnitedStatesStoveCompanythanksyouforpurchasingyournewpelletburningroomheater.

AtU.S.Stove,webuildallofourproductswithahands‐onapproachtodetailandquality.Ouroldworldteamof

Craftsmen take great pride in their superior workmanship to ensure

 you have years of trouble free use of your

pelletheater.



U.S. Stove Pellet Burning Room Heaters  have been tested and listed for installation in residential, mobile home

and alcove installations.U.S. Stove Pellet Burning Room Heaters are available in free standing pedestal and

fireplaceinsertversions.



U.S.Stove

PelletBurningRoomHeatershavebeencertifiedto:



ASTME1509‐04,ULC/ORD‐C1482‐M90,ULC‐S627‐00,&ULC‐S628‐00



TheperformanceofyourPelletStoveRoomHeatercanbeaffectedbythetypeofpelletfuelyouchoosetoburnin

it.Itisimportanttouseonlypelletfuelthatisdryandfreefromdirtorotherimpurities.ThePellet FuelIndustry

hasestablishedstandards forwood pellet

manufacturers.Werecommendthat pelletfuelusedinallU.S. Stove

PelletBurningRoomHeatersmeetorexceedthefollowingspecifications:



Fines(fineparticles):Maximumthrougha1/8"screen

BulkDensity:Minimum40lbspercubicfoot



Size:Maximum3/8"Diameterby1‐1/2"length



AshContent:1%Maximum(Premiumgrade)



3%Maximum(Standardgrade)



MoistureContent:8%Maximum



HeatContent:Minimum8,200btu’sperhour



Itisimportanttonotethat theashcontentofthefuelandfrequencyofoperationwilldeterminethefrequencyof

whichyouwillberequiredtocleanyourPelletStove.Ahighashfuelmayresultindailycleaning,whilealowash

contentfuelmayresultinless

frequentcleaning.



Occasionallyimpuritiesinthefuel willcauseahardmassbuildupintheburnpotofyourPelletStove.Impurities

suchassilicacanvirtuallyformlittleglassballswhensubjectedtothehighheatgeneratedintheburnpot.When

allowedtocollect,ahardbass

buildupmayblockairflowthroughtheburnpot,whichwillsignificantlyaffectthe

performanceandefficiencyofyourPelletStove.Itisagoodideatochecktheburnpotforanyhardmassbuildup

orotherblockageonadailybasis,andifnecessarylettheburn

potcoolandthencleantheburnpot.



U.S. Stove Company realizes that it cannot control the quality of pellet fuel you choose to use in your Pellet

heater;U.S.Stoveassumesnoresponsibilityforthatchoice.



CAUTION: BE SURE TO STORE PELLET FUEL A MINIMUM OF 3' (914.5MM) AWAY

FROM THE PELLET HEATER.

RADIANTHEATCANIGNITETHEFUEL.



Please notethatthe ratinglabel islocatedon theinsideof the hopperlidonfreestanding modelsand onthe

backsideoftheashpancoverforinsertmodels.

4

SAFETYINFORMATION



Be sure to read the entire owner’s manual prior to installing and operating this Pellet heater.Failure to follow

theseinstructionscouldresultinfire,propertydamage,bodilyinjuryorevenDeath.

This stove’s exhaust system works with negative combustion chamber pressure and a slight positive chimney

pressure, it is extremely

 important to ensure that the exhaust system be sealed and airtight. The ash pan and

viewingdoormustbesecurelyfastenedinorderfortheunittobeairtight.ThisPelletheaterwillnotoperateusing

naturaldraftorwithoutapowersourcefortheblowers.

Theuseofgrates

orothermethodsofsupportingthefuelisnotpermitted.

ThisPelletheaterisdesigned toburnpelletwoodfuelonly.Do notuseanyothertypeoffuel;doingsowillvoid

anywarrantiesstatedinthismanual.

THEUSEOFSOLIDWOODFUELISPROHIBTEDBYLAW.

ThisPelletheaterisdesignedforresidentialinstallationaccordingtocurrentnationalandlocalbuildingcodes.Itis

also approved as a mobile home heater which is designed for connection to an outside combustion air source.

WheninstallingaPelletStoveinamobilehome,itmustbeelectricallygroundedto

thesteelchassisofthehome

andboltedtothefloor.Makesurethatstructuralintegrityofthehomeismaintained.

Makesurethatstructuralintegrityofthehom eismaintainedwhenpassingventpipesthroughwalls,ceilingsand

roofs

Itisrecommendedthattheexhaustventbecleanedbi‐

annuallyoraftereverytwotonsofpellets.

Soot or creosote may accumulate when the pellet heater is operated under incorrect conditions such as an

extremelyrichburn(blacktippedlazyorangeflames).Donotoperatethestoveiftheflamebecomesdarkorsooty

oriftheburnpotoverfills

withpellets.Turnthestoveoffandcallyourdealer.

Thegroundedelectricalcordmustbeconnectedtoastandard120volt,60hertzelectricaloutlet.Ensurethatthe

electricalcordisnottrappedundertheapplianceandthatitisclearofanyhotsurfacesorsharpedges.

The

ashpanandviewingdoormustbelockedsecurelyforproperandsafeoperation.

DONOTPLACEUNBURNEDORNEWPELLETFUELINTHEASHPAN.Afireintheashpanmayoccur.

Donotoperateyourpelletheaterifyousmellsmokecomingfromit.Turnitoff,monitor

itandcallyourdealer.

RepairandservicingofyourU.S.StovePelletBurningRoomHeatermayonlybedonebyaqualifiedtechnician.

Disconnectthepowercordbeforeperforminganymaintenanceorrepair.

NOTE:TurningthePelletStoveRoomHeaterto"off"doesnotdisconnectpowerfromtheunit.

ThePelletStoveRoomHeaterwillnotoperateduringa poweroutage,ifapoweroutageortripped circuitoccurs,

checkforsmokespillageandopenwindowsordoorstoventilateasnecessary.



5

SAFETYINFORMATION‐continued



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

Contact your local building officials to obtain a permit and information on any installation restrictions or

inspectionrequirementsinyourarea.

BesuretonotifyyourinsurancecompanyofyournewU.S.StovePelletBurningRoomHeater.

AllowthePelletStoveRoomHeaterto

coolbeforeperforminganymaintenance.

Ashesmustbedisposedof ina metalcontainerwithatightlidandplace d onanoncombustiblesurfacewellaway

fromyourhome.

Checktheventingsystem,atleasttwiceayear,forcreosotebuild‐up.

Keepalldoor/lidsealsandgasketsingood

condition.

Adequateventilationairisrequiredtooperatethisheater.Duringoperationtheheaterdrawsairforcombustion

whichcanbeassistedbytheinstallationofoutsidecombustionairinlets.However,certainweatherconditions

suchasicingoruseofkitchenexhaustfansmayimpactandreducetheeffectivenessofvents.

Itisimportantto

notethatroomairstarvationwellnegativelyimpacttheoperationoftheheater.

Ifpoweroutageswithbatterybackuporroomairstarvationoccursduringoperationofheater,smokeinthe

housemayresult.Thismaytriggersmokedetectorsiftheyareinstalled.

CAUTION:

DONOTCONNECTTOANYAIRDISTRIBUTIONDUCTORSYSTEM.

DONOTUSECHEMICALSORFLUIDSTOSTARTTHE FIRE.NEVERUSEGASOLINE,GASOLINETYPELANTERNFUEL,

KEROSENE,CHARCOALLIGHTER FLUID,OR  SIMILARLIQUIDSTO STARTOR FRESHENUPAFIREIN  THEHEATER.

KEEPALLSUCHLIQUIDS WELLAWAYFROM

THE HEATERWHILEITISINUSE. USINGTHESECHEMIC ALS  COULD

CAUSEBODILYHARM,HEATERDAMAGEANDWILLVOIDTHEWARRANTY.

DONOTBURNGARBAGEORFLAMMABLEFLUIDSSUCHASGASOLINE,NAPHTHAORENGINEOIL.

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

MAY

CAUSESKINBURNS.YOUNG CHILDRENSHOULDBESUPERVISEDWHENTHEYAREINTHESAMEROOMAS

THESTOVE.

DO NOT ATTEMPT  TO OPERATE THE VENT TUBE CLEANER WHILE THE PELLET STOVE IS IN OPERATION OR

COOLING DOWN; WAIT UNTIL PELLET STOVE HAS COOLED COMPLETELY BEFORE PERFORMING THIS

PROCEDURE.

ENSURE THAT PEOPLE

 ARE AWARE THAT THE VENT TUBE CLEANER KNOB WILL BE VERY HOT DURING PELLET

STOVEOPERATIONANDCANBEABURNHAZARD.

OTHERRADIANTSURFACESOFTHESTOVEWILLBEHOTDURINGOPERATIONANDCANBEABURNHAZARD.

6

SPECIFICATIONS



HeatingSpecifications:



BurnRate:*43,900btu’sperhouror5.1lbs.offuelperhour

HopperCapacity:55lbs.



*Dependentuponqualityandheatingvalueofpelletfuel.



DIMENSIONS



Figure1

7

DIMENSIONS‐continued

Theminimuminstallationdimensions,oftheinsertopening,are:



32”(813mm)widex22‐3/4”(578mm)highx12‐1/4”(311mm)deep.



Figure2



8

OPERATINGINSTRUCTIONS

CheckandFilltheFuelHopperwithPellets:

ThisPelletStoveisavailable asafreestandingunitorasafireplaceinsert.Thereisadifferentmethodforfilling

thehopperforeachtypeofheater:

 Tocheckandfillthehopperofthefreestandingheater,simplylift thehopperdoor,visuallycheckthehopper

andaddpellets

whenneeded.

 Tocheck andfill thehopper oftheinsertheater,pullhopperlid forward,visually checkthehopperandadd

pelletswhenneeded.

CAUTION:DONOTOVERFILLTHEPELLETFUELHOPPER.ASASAFETYPRECAUTION,AUGERWILLNOT

OPERATEATANYTIMEWHENFUELHOPPERDOORISOPEN.

Pre‐startCheck‐up:

Makesurethatallpartsofthe  PelletStoveRoomHeater arecoolbeforeproceeding.Removetheburnpotand 

cleanoutanyashdebris.Besuretore‐installtheburnpotinthecorrectposition(seepag e29).

Theblowersandautomaticfuelsupplyarecontrolledfromapanel

locatedontherighthandside ofthestove.

Note:YourPelletStovemayomitanodorasoilresiduefromthemanufacturingprocessburnsoffandthehig h

temperature paint cures.  You can minimize this effect by running a smaller fire for the first few hours of

operation.Avoid

placing any items on the stove top during this period as the stove’s paint could be

permanentlydamaged.

LightingInstructions:

ATTENTION: Viewing door must be securely latched to ensure proper stove operation.Push door‐handle

downwarduntillatchisfullyengaged;youwillfeelthelatchengageandhearanaudibleclick.

WhenfirstoperatingyourPelletStove,depresstheMODEbuttonuntiltheLEDindicatoraboveMANUALlightsup.

This

willengageMANUALmodeandprovideyouwithfullcontroloftheheater’scontrolboardfunctionsandallow

youtofamiliarizeyourselfwithhowtheheaterworks.TheheatlevelforT‐STATmodecanonlybesetwhenthe 

controlisintheManualMode.

StartingUpThePelletStoveRoomHeater:

WheneverOperatingthePelletStovefor FirstTime, orifThe  Stove RunsOutOf Pellets,it isNecessary toPrime

the Augerwith PelletFuel.Todo this,Press andHoldtheAUGERButtonfor Approximately3Secondsuntil the

AUGERLEDilluminates.ThisProcedurewillprimetheAugerand

thenAutomaticallyInitiatetheNormalIgnition

Cycle.

CAUTION: Donot use thisprocedure for normal startup.To do so wouldcause excessivefuel  build‐up in the

burnpot.

For normal startup with pellets fuel in the auger, press and release the On/ Off button. The LED  indicator light

above the

On/Off button willalternately flash green then redtoindicate that the start‐upcycle has begun. The

lightabovetheAugerbuttonwillflashintermittentlytoindicatetheactivationoftheaugerfeedingthepelletsinto

theburnpot.Theelectricigniterwillalsobeactivatedatthistime.The

ignitertakesafewminutestocomeupto

temperatureinordertoignitethepelletsintheburnpot.Itwillnormallytakebetween4minutesand8minutes

forpelletstoignite.

NOTE:If pelletsdonotignitewithin12minutestheheaterwillshutdown,requiringyou

toturnontheheater

andrepeatthestart‐upprocess.

9



OPERATINGINSTRUCTIONS‐continued



When the pellets have ignited andflame has been established, the start‐upcycle will end; this procedure takes

between8and12minutes.IfthecontrolissettoManualMode,itwillnowdefaulttotheheatlevelsettingthe

lastshutdowntime.Ifthecontrolisset

toT‐STATModetheheatoutputwillcoincidetothecom mandsfromthe

thermostat.



Auger:

As explained in the starting up step, this button is only  served to start up the pellet stove in lieu of the on/off

buttonwhentherearenopelletsintheauger.



CirculationAirFlow:

YourPelletStoveRoomHeaterfeaturescirculationairflowwhichwillchangeinaccordancewiththeheatsetting.

Circulationairflowwillbeatitsmaximumsettingwhentheheatsettingisalsoatmaximumandsubsequentlywill

beatitsminimumsettingwhentheheatsettingisatminimum.If

youdesiretooperatethecirculationfanatits

maximumsettingregardlessofheatsetting,youmaydosobypressingtheFANbutton.



AugerTrim:

Whenoperat ing atHeatLevel1, iftheflame goesoutortheheatoutputistoohigh onthe minimumheatlevel

setting,usetheAUGERTRIMbuttontomakeadjustments.SeetheAUGERTRIMbuttondescriptiononpage11.



ShuttingDownYourPelletStoveRoomHeater:

Turn off the heater by pressing  the On/Off button. The stove will enter the shutdown cycle and the pellets will

stop feeding into the burn pot to allow the fuel in the burn pot to be combusted and consumed. During  this

period,theexhaustblowerandcirculationfanwillcontinueto

operateuntiltheflamesareoutandtheheaterhas

cooleddown.Whentheheaterhascooleddowntoitspre‐setlevel,itwillshutdowncompletely.



CAUTION: NEVER TURN OFF THE HEATER  BY UNPLUGGING OR DISCONNECTING ITS ELECTRICAL POWER

SOURCE. DOING SO WILL CAUSETHE HEATER TO SKIPTHE PROPER SHUTDOWN CYCLE,CAUSING THE HEATER

TOOVERHEATANDTHEPOSSIBLERELEASEOFSMOKEINTOTHEHOUSE.



10

OPERATINGINSTRUCTIONS‐continued



ControlBoardFunctions:





MODE Button:

 The MODE button allows you to switch operating mode on

yourPelletStoveRoomHeater.DepresstheMODEbuttonto switchbetween

Manual and T‐STAT modes.As you depress the MODE button the indicator

lightabovethedesiredmodewillengage.WhenyouengagetheManualmode, 

you will be

 able to manually select the heat settings.If you have installed  a

remote thermostat for your Pellet Stove Room Heater and wish to have the

heater controlled by that thermostat, depress the MODE button to engage T‐

STAT mode.The thermostat will control the heat output of the Heate r

alternating

between the lowest heatlevel and the highest heat level thatyou

havepre‐selected.

TheT‐STATmodeprovid esthemostevenheatoutput,forbettercomfort,and

toextendthelife ofthepelletfuel ignitionsystem.Additionally,the constant

flame serves as a warning for people and pets to keep away from the heater

whileitisinoperation.

ON/OFF Button:

The ON/OFF button is used to turn the heater on and off.

Whenever there is power to the heater, the LED indicator light above the

ON/OFF button will be solid red.If the heater is cold prior to start‐up, press

and release the ON/OFF button. The LED light above

the ON/OFF button will

alternately flash red and green to indicate the startup cycle has started. Fuel

pelletswillstarttofeedintotheburnpotandthepelletfuelignitionsystemwill

be activated.Flames in the burn pot will normally appear between 4‐8

minutes,andoncetheflame

hasbeenestablished,thestartup cyclewillend,thistakesbetween8‐12minutes.At 

this point the LED indicator light above the ON/OFF button will glow solid green. The user will now be able to

makeheatleveladjustments.

HEAT LEVEL Button:

 Depress the HEATLEVEL button to advance the heatlevel byonelevel until you reach the

maximum setting; from the maximum level you will decrease one level each time you depress the HEAT LEVEL

button. The circulation fan speed will also increase with the heat level setting. Wait until

the startup cycle is

complete andtheON/OFF LED is solidgreento set HeatLevel.(The HEATLEVEL LEDsare alsousedas codes to

indicateamalfunction,pleaserefertothe

SafetyFeaturesandwarningcodessectionformoreinformation.)

FAN Button:

 Depressing the FAN button will set the circulation fan speed to high, overriding the automatic fan

speed control.The onboard logic will modulate the fan speed in accordance with the heat level setting. It is

recommendedthatyouallowthecontroltoautomaticallysetandadjustthespeedofthe

fantoobtainoptimum

efficiencyandminimalfannoise.

AUGER Button:

 Whenever Operating the Pellet Stove for First Time, or if The Stove Runs Out Of Pellets, it is

NecessarytoPrimetheAugerwithPelletFuel.Todothis,PressandHoldtheAUGERButtonforApproximately3

SecondsuntiltheAUGERLEDill uminates.ThisProcedurewillprimetheAuger

andthenAutomatically Initiatethe 

NormalIgnitionCycle.NOTICE:Do notusethisprocedurefornormalstartup.Todo sowouldcauseexcessive

fuelbuild‐upintheburnpot.

AUGER TRIM Button

: This Button is only enabled when operating at Heat Level 1. Depress the AUGER TRIM

Buttontochange theAugerfeed rateon theminimumheatlevel;toaccountforthequalityofpellet fuelbeing

used.Increasing



Figure3

11

OPERATINGINSTRUCTIONS‐continued



theAugerfeedratewillhelpkeeptheflamesfromextinguishingontheminimumheatlevelsetting.Youcanalso

usetheAUGERTRIMbuttontolowerheatoutputontheminimu mheatlevelsetting:

 Depress and release the AUGER TRIM button until the heat level 1 and 5

setting lights appear to slightly

increasethefeedrateontheminimumheatlevel.

 Depress and release the AUGER TRIM button until the heat level 1 and 4 setting lights appear to slightly

reduce the pellet feed rate on the minimum heat level setting.Use this setting to reduce the

 heat level

outputonlow.

 DepressandreleasetheAUGERTRIMbuttonuntilonlytheheatlevel1settinglight ison, thisisthefactory

settingandworksformosttypesoffuel.



Open Door:During normal operation the heater will automatically shut off if the viewing door is opened for

morethan30seconds.Thisactioncausestheheatertogointovacuumerrormode.Toclearthiserrorandrestart

theheater,closethedoor,depresstheON/OFFbuttonandthenfollowdirectionsfor

restartingheater.



RefillingtheFuelHopper:Formaximumperformancedonotletthepelletfuelhopperdropbelow1/4f ull.



Fuel Hopper Lid Safety Switch:When the Fuel Hopper Lid is opened the auger will stop turning to prevent

accidentalinjury.





KEEPPELLETFUELHOPPERLIDCLOSEDATALLTIMESEXCEPTWHENREFILLING.DONOTOVERFILLHOPPER.



SafetyFeaturesandwarningcode:

1. Yourheater isequipped witha temperature “high‐limit”switch, designedto shutdown theauger incaseof

anovertemperaturesituation.Thehigh‐limitswitchisathermosnapdisctypeandmustbemanuallyreset

intheeventofanoverheatshutdown.Oncetheheater hascooleddown,

youcanreactivatethehigh‐limit

switchbydepressingthemanualresetbuttonlocatedonthehigh‐limitswitch.

2. WhentheHigh‐Limitswitchopens,whichindicatesanoverheatfailure,theHEATLEVELLED’s3&4willflash

red.

3. Your heater is equipped with a vacuum switch

that automatically shuts down the auger in the event of a

exhaustfanmalfunction.

4. WhenaVacuumErrorissensed,theHEATLEVELLED’s1&2willflashred.Checktoensuretheglassdooris

latchedproperly.

5. WhentheLow‐Limitswitchopens,(firewentout)the

HEATLEVELLED’s4&5willflashred.Firstcheckfuel

supply,thenchecktoensureAugerisnotjammedandfinallythatpellethopperdoorisproperlyclosed. 

6. WhenthePelletsintheBurnPotfailtoigniteHEATLEVELLED’s1&5willflashred.



NOTE:Intheeventthatthehigh‐limitswitchorvacuumswitchactivates,pleasecontactyourdealertodiscuss

thecauseofthisactivationandtoensurethatyourheatercontinuestooperateinasafemanner.Eitherswitch

trippingcanindicateaproblemwiththeoperationofyourheater.



12



THERMOSTATINSTALLATION



Optionalthermostatsareavailableforusewithyourpelletstove.Athermostatcanhelpyoumaintainaconstant

roomtemperature.Thethermostatoptionwillrequiretheins tallationofamillivolttypethermostat.



NOTE:Yourthermostatshouldbeinstalledbyanauthorizeddealerorserviceperson.



InstallationofRemoteThermostat:

 DisconnectPelletStoveRoomHeaterunitfrompowersupply.

 Openrightsidepaneltogainaccesstorearofcontrolpanel.

 Stripinsulationfromthermostatwiresandconnecttothescrewterminalontherearofthecontrolpanel(see

Figure4).



If you have installed a remote

 thermostat for your pellet stove and wish to have the heater controlled by that

thermostat,depresstheMODEbuttontoengageT‐STATmode.Thethermostatwillcontroltheheatoutputofthe

heateralternatingbetweenthelowestheatlevelandthehighestheatlevelthatyouhavepre‐selected.



TheT‐STATmodeprovidesthemostevenheatoutput,forbettercomfort,andtoextendthelifeofthepelletfuel

ignitionsystem.Additionally,theconstantflameservesasawarningfor peopleandpetstokeepawayfromthe

heaterwhileitisinoperation.



Left:GND

Middle:Thermostat

Right:5Vpowersource

13

USA 6”

CANADA 8”

USA 6”

CANADA 8”

CLEARANCESTOCOMBUSTIBLES

INSTALLALLVENTSATCLEARANCESSPECIFIEDBYTHEVENTMANUFACTURER!



WhenyourPelletStoveRoomHeaterisbeinginstalledonacombustibleflooritismandatorythata1/2"

(13mm) thick non‐combustible hearth pad be installed under the heater. The non‐combustible hearth

padmustextendatleast6”beyondthefuelloadingandashremovalopeningsandatleastthedepthof

theheaterplus6inches(152mm)out infront oftheheater.This appliesto bothfreestandingheaters

andinsertheaters.



14



INSTALLINGYOURROOMHEATER



Youhavealready madetheimportantdecisionofchoosingyourU.S.StovePelletBurningRoomHeater;

now your next step is to determine where to install your new pellet stove heater. To get the most

efficientuseofre‐circulatedheat,youshouldconsideraroomthatiscentrallylocatedwithinyourhome.

Choosearoomthatislargeandopen.



It isExtremely Importanttomaintain proper clearancesfrom any combustible surfacesormaterials in

theroomwhereyourheaterwillbelocated.Youcanfindproperclearancemeasurementsonpage13of

thismanualandontheratinglabelofyourpelletstove.



The pelletstove canbevented through anexteriorwall or into anexistingmasonry or metalchimney.

Thechimneymustbelinedifitisover6”(150mm)indiameterorifithasacross‐sectionalareaofover

28 square inches (711mm

). Venting can pass through the ceiling and roof if approved pipe is used.

Wherepassagethroughawall,orpartitionofcombustibleconstructionisdesired,theinstallationmust

conformtoCAN/CSA‐B365



DONOT OBTAINCOMBUSTION AIRFROMTHEATTIC,GARAGEOR ANYOTHER UNVENTILATEDAREA.

YOUMAYOBTAINCOMBUSTIONAIRFROMAVENTILATEDCRAWLSPACE.



DONOTINSTALLAFLUEDAMPERINTHEEXHAUSTVENTINGSYSTEMOFTHISUNIT.



DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER HEATER, FURNACE OR

APPLIANCE.



INSTALLVENTATCLEARANCESSPECIFIEDBYTHEVENTMANUFACTURER.



ONLY USE APPROVED MATERIAL FOR INSTALLATION, FAILURE

 TO DO SO MAY RESULT IN PROPERTY

DAMAGE,BODILYINJURY,OREVENDEATH.



Thisapplianceiscertifiedforusewithlisted3inchor4inch“PL”or“L”pelletventingproductsaswellas

Selkirk’s Direct‐Temp Vent system for pellet burning appliances.The use of other components other

thanstatedhereincouldcausebodilyharm,heaterdamage,andvoidyourwarranty.

15

INSTALLINGYOURROOMHEATER‐continued



HORIZONTALEXHAUSTVENTINSTALLATION



1. Locate your pellet stove inalocation  which meets therequirementsofthis manual, butinanarea

whereitdoesnotinterferewiththehouseframing,wiring,etc.

2. Installanon‐combustiblehearthpadunderneaththepelletstove.Thispadshouldextendatleast6”

(152mm)in

frontoftheunit.

3. Placethepelletstoveapproximately15”(381mm)awayfromtheinteriorwall.

4. Locatethecenteroftheexhaustpipeofyourunit.Thispointshouldthenbeextendedtotheinterior

wallofyour house.Once youhavelocatedthecenterpoint,onthe interior wall,cuta 7” (175mm)

diameterholethroughthewall.

5. Thenextstepistoinstallthe wallthimble,refertotheinstructionswhichcomewiththewallthimble

forthisstep.

6. Install the appropriate length of exhaust vent pipe into the wall thimble. See step 11 when

determiningthecorrectlengthofexhaustventtouse.

7. OutsideFreshAirisMandatorywheninstallingthispelletstoveroomheaterinairtighthomesand

mobilehomes.Besurethattheoutsideairventhasanapprovedcaponittopreventrodentsfrom

entering.Besuretoinstallinlocationthatwon’tbecomeblockedwithsnow,etc.

8. The air intake pipe is equipped with a butterfly valve that is preset to maximum air intake.For

optimum operating efficiency you may calibrate  the butterfly valve to provide less intake air. (See 

Figure 7)Caution: Too much restriction on the intake air will cause dirtier burn, therefore, will

requiremorefrequentcleaning.



9. Connecttheexhaustventpipetotheexhaustoutletofyourpelletstove.

10. Secure all vent joint  connections with 3 screws. Seal the exhaust vent joint connections with high

temperaturesiliconesealant.

11. Push the unit straight back to the interior wall, being sure to maintain the minimum clearances to

combustibles 6” (152mm)  to the back of the unit.Seal the annular space of the wall thimble and

aroundtheventpipewithhightemperaturesiliconesealant.

12. Theexhaustventpipemustextendatleast12”(300mm)outpasttheexteriorwall.Sealtheannular

space

ofthewallthimbleandaroundtheventpipewithhightemperaturesiliconesealant.

13. Install an approved horizontal termination cap or if necessary install a 90° elbow and appropriate 

lengthofverticalventing.Anapprovedverticalventcapisrecommended.



16

INSTALLINGYOURROOMHEATER‐continued

HORIZONTALEXHAUSTVENTINSTALLATION



17

INSTALLINGYOURROOMHEATER‐continued

FREESTANDINGINTERIORVERTICALINSTALLATION



1. LocateyourPelletStoveRoomHeaterinalocationwhichmeetstherequirementsofthismanual,but

inanareawhereitdoesnotinterferewiththehouseframing,wiring,etc.

2. Installanon‐combustiblehearthpadunderneaththepelletstove.Thispadshouldextendatleast6”

(152mm)infrontoftheunit.

3. PlaceyourPelletStoveRoomHeateronthehearthpadandlocatetheunitinmannerthatwillleave

theexhaustventwithaminimumof3”(75mm)clearancetoanycombustiblewall.

4. Wheninstallingtheairintake,locatethecenterofthecombustionairintakepipeatthe

backofyour

unit.Lineupthecenterwiththesamespotonyourexteriorwallandcuta2‐1/2”(64mm)diameter

holethroughthewall.

5. Secure all vent joint connections with 3 screws. Seal the exhaust vent joint connections with high

temperaturesiliconesealant.

6. Installthe

combustionairintakepipe.

7. Installatee,withacleanout,ontheexhaustpipefoundattherearofyourunit.

8. Install approved vent upwardthroughthe  ceiling. When youpassthroughthe combustible framing

ensure that the appropriate ceiling firestop is used. You  must maintain a minimum 3” (75mm)

clearancetocombustiblesandkeepanyinsulationawayfromtheexhaustvent.

9. Extendtheexhaustventthroughtheroofflashingandensurethattheverticalcapisapproximately

36”(900mm)abovetheroof.



18

INSTALLINGYOURROOMHEATER‐continued

FREESTANDINGEXTERIORVERTICALINSTALLATION



1. LocateyourPelletStoveRoomHeaterinalocationwhichmeetstherequirementsofthismanual,but

inanareawhereitdoesnotinterferewiththehouseframing,wiring,etc.

2. Installanon‐combustiblehearthpadunderneaththepelletstove.Thispadshouldextendatleast6”

(152mm)infrontoftheunit.

3. PlaceyourPelletStoveRoomHeateronthehearthpadandlocatetheunitinmannerthatwillleave

theexhaustventwithaminimumof3”(75mm)clearancetoanycombustiblewall.

4. Ifinstallingtheoptionalairintake, locatethecenterofthecombustionairintakepipeat

thebackof

your unit. Line up the center with the same spot on your exterior wall and cut a 2‐1/2” (64mm)

diameterholethroughthewall.

5. Secure all vent joint connections with 3 screws. Seal the exhaust vent joint connections with high

temperaturesiliconesealant.

6. Locate

thecenteroftheexhaustpipe,atthebackoftheunit.Lineupthecenterwiththesamespot

ontheexteriorwallacuta7”(178mm)diameterholethroughthewall.

7. Installthewallthimble;(refertotheinstructionswhichcomewiththewallthimble).

8. Installanapprovedexhaustventthroughthewall;besuretomakesurethat3”(75mm)clearances

tocombustiblesaremaintained.

9. Secure all vent joint connections with 3 screws. Seal the exhaust vent joint connections with high

temperaturesiliconesealant.

10. Install a Tee with a cleanout on the end of the exhaust pipe and then install  approved venting

upwardfromthere.Besuretoinstallsupportbracketsevery5’(1525cm)tokeeptheventingstraight

andsecure.

11. Extendtheexhaustventthroughtheroofflashingandensurethattheverticalcapisapproximately

36”(900mm)abovetheroof.



19



20

INSTALLINGYOURROOMHEATER‐continued

SELKIRKDIRECT‐TEMPVENTSYSTEMFORPELLETSTOVEHEATERS

ImagescourtesyofSelkirk

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United States Stove 5660 User manual

Brand: United States Stove

Model: 5660

Category: Stoves

Type: User manual

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United States Stove 5660 User manual

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