Hearthland NOKOMIS Owner's manual

Brand: Hearthland

Model: NOKOMIS

Category: Pellet stove

Type: Owner's manual

This manual is also suitable for

Itasca

VS0952_H 2/12/2010



SAFETY NOTICE

PLEASE READ THIS ENTIRE MANUAL BEFORE INSTALLATION AND USE OF

THIS PELLET FUEL-BURNING ROOM HEATER. FAILURE TO FOLLOW THESE

INSTRUCTIONS COULD RESULT IN PROPERTY DAMAGE, BODILY INJURY

OR EVEN DEATH.

SAVE THESE INSTRUCTIONS.

CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS

AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA.

WARNINGS

• Hot! Do not touch! The glass and surfaces of this ap-

pliance will be hot during operation and will retain

heat for a while after shutting off the appliance. Se-

vere burns may result!

• Hearthland pellet burning appliances are designed for

use as a supplemental heater. They are not intended

for continuous use as a primary heat source.



PELLET STOVE

INSTALLATION AND OPERATION MANUAL

Hearthland Itasca

Pellet Stove

Hearthland Hiawatha

Pellet Stove

Hearthland Nokomis

Pellet Stove

VS0952_H 2/12/20102



CONGRATULATIONSonthepurchaseofyourHEARTHLANDstove!Withthepur‐

chaseofyournewpelletstove,youhavejoinedcountlessindividualswhoseanswer

totheirheatingneedsreflectstheirconcernforaesthetics,efficiencyandourenvi‐

ronment.

Thefollowingarekeyfactorsrelatingtotheinstallationandoperationof

yourstove

andheatingwithwoodpelletfuel.



1.Aqualityinstallationwhichmeetsallsafetyandbuildingcoderequirementsisa

mustforthesafetyofyourfamilyandforefficient,satisfactoryoperationofyour

stove.



2.UsequalitypelletswithhighBTUcontentandminimum“fines”,

sawdustand

loosematerials.Pelletsvarygreatlyfromcompanytocompany.Pelletquality

contributessignificantlytoyourstovesperformance.Forpeakperformanceitis

recommendedthatyouscreenyourpelletstopreventoperationalproblems.

(SeeSection#5“WoodPelletSpecifications”)



3. Keepyourstove’sburngrateclean.Adirtyburn

graterestrictscombustionair

makingitdifficulttomaintainpropercombustioncontributingtopoorperform‐

anceandincreasedfuelusage.(SeeSection#6“Maintenance&RequiredClean‐

ing”)



4.Keepyourstove’sheatexchangerclean.Adirtyheatexchangerreducesheat

transfertoconvectionaircontributingtopoorperformance

andincreasedfuelus‐

age.(SeeSection#6“Maintenance&RequiredCleaning ”)



Inthemajorityofthecases,operationalproblemsaretheresultofpoorqualitypel‐

lets,improperinstallation,and/orlackofcleaning.DailycareofyourHEARTHLAND

stovewillprovideclean,efficient,comfortableandenvironmentallyfriendly

heating

formanyyears.Weextendourcontinuedsupporttohelpyoutoachievethemaxi‐

mumbenefitandenjoymentfromyournewpelletstove.Foradditionalinformation

andoperationaltipsgoto:

www.Hearthlandproducts.com



ThankyouforselectingHearthlandProductspelletstoveasthesolutiontoyourzone

heatingneeds.



No part of this manual may be copied, transmitted, transcribed, stored in a retrieval system,

in any form or by any means without the expressed written permission of Hearthland

Products LLC; Bloomington, MN

VS0952_H 2/12/20103

TABLEOFCONTENTS

1GENERALINFORMATION  4.12SETTINGMODEOFOPERATION

28

1.1IMPORTANTSAFETYITEMS

4

4.13THERMOSTATMODES(OPTIONAL)

29

1.2SAFETYLISTING

5

5WOODPELLETSPECIFICATIONS

30

1.3HOWYOURHEARTHLANDSTOVEWORKS

6

6MAINTENANCE&REQUIREDCLEANING

31

1.4AUTOMATICSAFETYFEATURES

7

7MANUALIGNITIONOFSTOVE

36

1.5SPECIFICATIONS

8

8WIRINGDIAGRAM

37

1.6ELECTRICALINFORMATION

8

9TROUBLESHOOTING

38

2PREPARATIONFORINSTALLATION



10REPLACEMENTPARTSLIST

41

2.1PRE‐INSTALLATIONCHECKLIST

9

11LIMITEDWARRANTY

49

2.2PELLETVENTTYPE

10



2.3VENTSAFETYPRECAUTIONS

10



2.4D

ETERMINGVENTINGSIZE&DISTANCE

11



2.5PELLETVENTTERMINATION

12



2.6OUTSIDEAIRINTAKE

14



2.7HEARTHPROTECTION&CLEARANCES

15



2.9REQUIREMENTSFORFLOORPROTECTION

15



2.10MINIMUMCLEARANCESTOWALLS&COMBUSTIBLES

15



3INSTALLATION



3.1SUGGESTEDINSTALLATIONTOOLS

18



3.2

INSTALLATION

19



3.3M

OBILEHOMEINSTALLATION

22



4O

PERATINGINSTRUCTIONS





4.1S

ETTINGTHEINTAKEDAMPER

23



4.5I

NTELLIGENTTEMPERATURECONTROL(ITC)GEN‐

ERAL

OVERVIEW

24



4.6S

TARTINGSTOVE&SHUTTINGOFFSTOVE

25



4.7A

DJUSTINGSTOVESETTINGS



26



4.8S

ETTINGHEATLEVEL

26



4.9S

ETTINGFANSPEED

26



4.10C

OMBUSTIONFANSPEEDADJUSTMENT(F1)

27



4.11ITCT

EMPERATUREADJUSTMENT(T1)

27



4.12A

DJUSTINGAIRINTAKEDAMPER

27















2.8L

OCATINGSTOVE

15



4.3BURNGRATEREMOVAL&INSTALLATION

23



4.2D

OOROPERATION

23



4.4F

ILLINGHOPPERWITHFUEL

24



VS0952_H 2/12/20104

• Contactyourlocalbuildingofficialbeforeinstallation,toobtainthenecessarypermitsandinformation

onanyinstallationrestrictionsorinspectionrequirementsinyourarea.

• Thisunitmustbeproperlyinstalledtopreventthepossibilityofahousefire.Theinstructionsandlocal

buildingcodesrequirementsmustbestrictlyadheredto.

• Read,saveandfollowtheinstructionsinthismanual.Itcontainsimportantsafety,operating

andmaintenanceinstructionsyouwillneed.



• Foryourprotectionandwellbeing,HearthlandProductsrecommendsinstallingasmokedetectoras

wellasaCarbonMonoxidedetectorintheroom.

• Wheninstalledinamobilehome,theHearthlandmustbeboltedtothefloorandsupplied withoutside

air.Undernocircumstancesshoulditbeinstalledinabedroom(PerH.U.D.requirements).

• NEVERtrytorepairorreplaceanypartofthestoveunlessinstructedtodosobytheHearthland

CustomerServiceDepartment.Werecommendyouuseatrainedtechnicianforallrepairs.

• Stovesaredangerouslyhot.Youngchildrenshouldbesupervisedwhentheyareinthesameroomas

thestove.

• TheHearthlandisdesigned andapprovedforpelletizedwoodfuelonly.Anyothertypeoffuelburned

inthisstovewillvoidthewarrantyandsafetylisting.Keepforeignobjectsoutofthehopper.

• NEVERusegasoline,gasoline‐typelanternfuel,kerosene,charcoallighterfluid,orsimilarliquidstostart

or’freshenup’afireinthisheater.Keepallsuchliquidswellawayfromtheheaterwhileitisinuse.

• TheHearthlandisdesigned touseastandard115Volt3‐pronggroundedelectricaloutlet.Agrounded

surgeprotectorisstronglyrecommendedtopreventdamagetoyourstoveintheeventoflightningor

otherpowersurgeinstances.



 Neveruseanadapterplugorseverthegroundingprongonthe

electricalplug.



 Neverroutetheelectricalcordunderneath,infrontof,overthestoveorovertheexhaustpiping.



 Ifyoususpectamalfunctionpush the“OFF”TouchPadandinspectthestove.

 Note:TheHearthlandStov ewillnotoperateduringapoweroutageunlessattachedtoacorrectly



 sizedgeneratororbatterybackup.Ifapoweroutageoccurs, openawindowtoventanysmokefrom

 room.Ifthemalfunctionpersistsunplugtheunitandcallyourauthorizeddealer.



 Neveroperatethestoveifyousmellsmokecomingfromanywhereonthestove.Ifthisoccursturn



yourstoveoffandcallyourauthorizeddealer.

• CAUTION:Fuelisfedtothefireboxbyascrewaugerdrivenbyahightorquemotor.Thisaugercanstart

andstopwithoutwarningwhilestoveisinoperation.NEVERputfingersinornearpelletfeedauger,as

seriousinjurycouldoccur.Note;yourHearthlandstoveisequipped

withahoppermountedcutoff

switchwhichpreventstheaugerfromrunningwhenhopperlidisopen.Donottamperwiththisswitch.

ImportantSafetyItems

    IMPORTANT

VS0952_H 2/12/20105

• Shutstoveoffifthefirepotoverfillswithpelletsortheflamebecomesdarkandsooty.Thisindicates

poorfuelcombustionandthecauseshouldbeinvestigatedandremedied.(SeeTroubleShootingtipsfor

possiblecauses)

• It’scriticalforproperoperationthatyoumaintainunobstructedairflowthroughtheintakeventsofthe

stove.Theviewingdoorandashpanmustbeclosedandlatchedduringoperation.Neverabusethe

doorbyslammingitshut.

• Thepelletapplianceexhaustsystemworkswithnegativecombustionchamberpressureandpositive

chimneypressure.Theexhaustsystemmustbecompletelyairtightandproperlyinstalled.Allexhaust

ventjointsmustbetightlysealedwithgasketandorHI‐TEMP

(550°F)RTVsiliconesealant,andatleast3

sheetmetalscrewsperjoint.

• ForrequiredperiodicmaintenanceandcleaningrefertoSection#6“Maintenance&RequiredCleaning”

ofthismanual.Failuretomaintainyourstovemayleadtopooroperationandexhaustfumeleakage

intoyourhome.Onlyusereplacem entcomponentsthatareauthorizedbyHearthlandProducts,LLC.

• Alwaysdisconnectpowerfromyourstovebeforeperforminganymaintenance.PowerCordmustbe

unplugged.Pushing” OFF”TouchPaddoesnotdisconnectallpowertothestove.

• Toavoidaccidentalfire,DONOTplaceanyflammable itemonornearthestove.

• Topreventburns,maintenanceorcleaning,shouldonlybeperformedonacoolstove.

• HearthlandProductsgrantsnowarranty,impliedorstated,forthemaintenanceorinstallation

ofyourstove,andassumesnoresponsibilitywhatsoeverofanyconsequentialdamageto

stoveoritssurroundings.

SAFETYLISTING:



InaccordancewiththeproceduresandspecificationslistedinASTME1509‐04,ULC/ORD‐C1482‐M1990,andULCS627‐

00forsolidfuelroomstove,HearthlandProducts,pelletstoveshavebeenindependentlylistedbyOmniTestLaborato‐

ries,Inc.Portland,Oregon(anaccreditedtestinglaboratory).Itistestedandlistedforresidential

installationaccording

tocurrentnationalandlocalbuildingcodesas:

• FREESTANDINGROOMHEATER

• ROOMHEATER,PELLETFUEL‐BURNINGTYPE,

ALSOFORUSEINMOBILEHOMES



TheSafetyListingLabelislocatedontherear

panel.Readthelabelcarefully.Itcontainsinfor‐

mationabouttheinstallationandoperationof

yourstove.Thestove’sserialnumberislocated

onthesafetylabel.Yourserial

numberispre‐

cededbya“OMNI‐“(exampleOMNI‐00000).(see

diagram).

    IMPORTANT

VS0952_H 2/12/20106

HOWYOURHEARTHLANDSTOVEWORKS

Theoperationsandmaintenanceofyour

HearthlandSeriesofpelletfuelappli‐

ancesareuniqueandshouldnotbecon‐

sideredtobelikeawood,coal,gas,elec‐

tric,propaneoroilburningstoveappli‐

ance.



Woodpelletfuelisstoredinthehopper.An

augerdeliversthefueltotheburngrate.The

fuelrate,orheatoutput,issetbyadjusting

theHeatLeveltouchpad,(settings1to4).A

fanprovidescombustionairtotheburngrate.

Theproperamountofcombustionair

issup‐

pliedtotheburngrateautomaticallyand

changesastheHeatLevelchanges.The

highertheHeatLevel,thelargertheamount

ofcombustionair.Thefuelburnsintheburn

grate,producingheat.Mostofheatpasses

aroundtheheatexchangetubesandisblown

intothe

roombytheconvectionfan.Exhaust

gasesexitthroughthestove’sexhaustvent.



TheHearthland’sheatoutputcanbeadjustedfrom

HeatLevelsetting1‐4,bypressingontheHeatLevel

touchpad.

TheconvectionfancanbeadjustedusingtheFan

Speedtouchpadtorunfasteror

slowertocorre‐

spondtotheamountofheatbeingproduced.



Toturnoffthestove,simplypressing“OFF”onthe

touchpad,andtheunitwillentershutdownmode

untiltheithassufficientlycooled.



Withuninterruptedfuelsupplyandproperperform‐

anceofcleaning,yourstovewillrun

efficientlyover

extendedperiodsoftime.(SeeSection#6“Maintenance&RequiredCleaning”)

• YourHearthlandstoveisdesignedtoburnonlywoodpelletsthat complytoAssociationof

PelletFuelIndustriesstandards.(SeeSection#5“WoodPelletSpecifications”)



• Donottrytooperateyourstovewithviewingdooropen.Pelletswillnot feedunderthese

circumstancesandasafetyconcernmayarisefromsparksorfumesenteringroom.



• Ifyouarenotdrawingcombustionairfromoutside,caremustbetakentoallowforade‐

quateairmakeup,toavoidpossibleroomairstarvationwhenstoveorotherexhaustfans

areinoperation.



• Itishighlyrecommendedthatyouinstallahighqualitysmokedetectorandcarbonmonox‐

idedetectorintheroomwherestoveisinstalled.Careshouldbetakentomakesuredetec‐

torsareinworkingorderatalltimes.

    IMPORTANT

HEATLEVELCONTROL

FANSPEEDCONTROL

VS0952_H 2/12/20107

AUTOMATICSAFETYFEATURES

ShutdownMode

Thismodestopstheaugerfuelfeedsystemandrunsthecombustion&convectionblowersfor10minutesor

untilthestoveexhaustcoolsbelow120°F,atwhichpointallelectricalcomponentswillbeoff.Shutdownmode

occurswhen“OFF”ispressedonthetouchpadorfromothercauses.If

thishappensunintentionally,findand

correctthecauseandpressstartonthetouchpad.(SeeSection#9“Troubleshooting”)



HopperLidSwitch

Thisdeviceismountedontherightsideofthehopperopening.Whenthehopperdoorisopen,theswitchstops

theaugerfeedsystem.Ifthehopperdoorisleftopenformorethanoneminute,theunitwillentershut‐down

mode.Ifthishappensunintentionally,simplyclosethe

doorandpressstartonthetouchpad.



VacuumSwitch

Thevacuumswitchensuresthatthevacuumoftheentirecombustionsystemismaintained.Theswitchislo‐

catedontheinnerrearwalloftheunitandtakesmeasurementfromthefreshairintaketube.Ifthevacuum

switchfailstoreadadequatenegativepressureformorethanoneminute,

theunitwillentershutdownmode.

Thisfeatureensuresthatthestovewillnotoperatewiththedoorajarortheashpantightenedincompletely.If

thishappens,findandcorrectthecauseandpressstartonthetouchpad.(SeeSection#9“Troubleshooting”)



IntelligentTemperatureController(ITC)

TheITCfeatureofyourstovemonitorstheexhausttemperatureandadjustsfuelfeedaccordinglytomaintain

consistentheatoutputtemperatures.Inthismanner,theITCisabletoregulatestoveheatsettingswithgreat

accuracy,compensatingforvariationsinfuelsuchassizeandBTUcontentaswellasoptimizing

fuelefficiency

andpreventingover‐firing.



L250HighLimitSwitch

Yourpelletappliancehasahightem‐

peraturelimitswitchasanaddedsafety

measureiftheITCweretofail.Ifthe

temperatureatthislocationexceeds

250°F,theunitwillentershutdown

mode.Ifthisoccurs,findandcorrect

thecauseandpressstartonthetouch

‐

pad.(SeeSection#9“Troubleshooting”)

PowerLossMemory

Ifthepowerlostduringoperation,the

stovewillstoprunningandthefirewill

extinguish.Whenthepowerisre‐

stored,thestovewillrestartand return

totheheatandfansettingitwasoper‐

atingatbeforepowerwaslost.

VACUUM

SWITCH

L250

SWITCH

ITC

HOPPER

SWITCH

VS0952_H 2/12/20108

SPECIFICATIONS



ElectricalInformat ion

Yourstoveiswiredatthefactoryfor120V,60Hzoperation,5.5ampsatstartup.Connecttoa120

V,15Acircuitandusea15Atimedelayfuseorcircuitbreaker.Itisrecommendedtouseaground 

faultoutlet(GFCI)andasurgeprotector.



*Heatingcapacitywillvarydependingonsuchfactorsasthelayoutofyourhome,aircirculation,degreeofinsulation,

andtheoutsidetemperature.

**PelletBTUcontentwillaffecttheactualrateoffuelfeedandburntimes..

Heatingcapacity(sq.feet)* UpTo2,500 WeightItasca(lbs) 218



Fuelburnrateperhour** 1.25—5.9lbs WeightNokomis(lbs) 254

BTUInput 10,875‐51,300 AirIntakeDiameter 2"

HopperCapacity 70lbs ExhaustDiameter 3"

Hopperburntimeatlowestsetting 56hrs Efficiency 78%

VS0952_H 2/12/20109

PRE‐INSTALLATIONCHECKLIST

Unlessyouareexperiencedinstoveinstallation,werecommendyourHearthlandAppliancereceivea

Pre‐deliveryCheckandbeinstalledbyyourlocalSpecialtyRetailer,NFI(NationalFireplaceInstitute)

PelletSpecialist(USA)orWETTCertifiedInstaller(CAN).

HearthlandProductsneithergrantsor

impliesanywarrantyorresponsibilityforfaultyinstallations!



COMPLETETHISCHECKLISTPRIORTOINSTALLINGYOURHEARTHLANDSTOVE:

_____Carefullyreadandsavethis"OwnersManual”.



_____HaveyourlocalDealerdemonstrateyourHearthland’soperation,cleaningandmaintenancesteps.



_____Selectalocation.Thedesignofyourhomeandthestoveplacementwilldetermineitseffectivenessasa

sourceofheat.Apelletappliancedependsonaircirculationtocirculateheat.Otherpractical

considerations,tobeconsideredbeforeafinalplacementisdecidedonmayinclude:

 ExistingChimneys,Fuel

Storage,Aesthetics,RoofDesign(rafterlocations&roofpitch),Room

Traffic,ClearancestoCombustibles,andExistingWiring.



_____Theinstallationofthisappliancemustconformtolocalcodesandapplicablestateandfederal

requirements.Becomingfamiliarwiththeserequirementsbeforeinstallationisessential.

______ Selectalocationforthestovethatadherestorequiredsafetyclearances.

______ Ensurethestovemustbemountedonahearthpad

orequivalent.



______ Attachproofofpurchasetothismanualandsaveforwarrantyquestions.



*******************************************************************************************

COMPLETETHISCHECKLISTWHILEINSTALLINGYOURHEARTHLANDSTOVE:



_____ReadtheInstallationsectionsofthismanual.



_____Determinethelocationandmeasurementsneededtoinstallthestoveinyourchosenlocation.



_____Pre‐fitallitemsbeforeyouinstall,fastenorinstallthestovepermanently.



_____MakesureALLjointsof“PL”ventandsinglewallstainlesssteellineraretightlyconnected,sealedwith

HighTemp(550°F)RTVSiliconeorHi‐Tempfoiltape,includingtotheexhaustconnector,andarecor‐

rectly

installed.(Followventmanufacturer’sinstructions.)



********************************************************************************************

COMPLETETHISCHECKLIST,BEFORELIGHTINGYOURFIRSTFIRE:



_____Obtainfinalinspectionandapprovalbylocalbuildingofficials.



_____Carefullycleanallmarksoffthepaintedandpolishedmetalpartsbeforethefirstfiring.Useasoftclothanda

mildcleaner.Failuretodosomayresultinmarksorfingerprintsbeingpermanentlyvisibleonthesurface.

Caution:Neveruseanabrasivecleaneronanypart

ofyourstove.



_____Cleanandwipethehoppertoremoveanydebrisorresidualoilfromthemanufacturingprocess.



_____YourstovehasbeenpaintedusingStoveBrighthightemperaturestovepaint.Thispaintisnotfullycureduntil

thestoveisfired(3)times.Theinitial(2)stoveburnsshouldbeatheatsetting2for30minutes.Between

burnsturnoffthestoveandallowpaintedsurfacesto

cooltoroomtemperature.Thethirdburnshouldbeat

heatsetting3for60minutes.Duringthiscuringprocessfumeswillbegivenoff.Openwindowsanddoors

andusefanstoprovidefreshairwhilecuring.Fumeswillnotbepresentafterpaintfullycures.



_____Makesurethatstoveisconnectedtoasurgeprotectionunit.

_____ Removepackagingmaterialsfromtheburnarea.



_____Fillthehopperwithqualitypellets.(Seesection#4.4“FillingHopperWithFuel”)Closehopperaccessdoor.



_____FollowtheHearthland’sLightingandIntelligentTemperatureControlInstructions.(Seesection#4.6“Starting

Stove”)



VS0952_H 2/12/201010

EXHAUSTSYSTEM

PELLETVENTTYPE:

⇒ Mustbeanapproved3”or4”DiameterType”PL”vent,ventedtotheoutsideorconnecttheventtoa

factorybuilttype“A”chimneyusinganadaptor.

⇒ Exception:Asinglewall“AllFuel”StainlessSteelchimneylinermaybeusedinsideafireplaceorfire‐

placeinstallations.

⇒

Someventingmanufacturesdomake“PL”ventforusewithwoodpelletfuelonlyandanothertypeof

“PL”ventforcornorbiomassfuels.Ifindoubt,planforthefutureandusethecornormulti‐fuel.

⇒ Use4”diameterventifventorlinerheightis

over15’orifinstallationisover3.000’abovesealevel.

NOTE:4”diameterventmaybeusedinallinstallations.Ifindoubt,use4”diametervent.(Seediagram

onPage11.)

VENTSAFETYPRECAUTIONS:

A“CleanOutTee”(A)mustbeinstalledatthebottomofallverticalruns.These“Tee’s”aretoassistin

periodicallycleaningthevent.SingleorDoublecleanoutteesmaybeused.Theexhaustsystemmust

beinstalledsotheentiresystemcanbecleanedwithout

disassembly.



Terminationmustexhaustabovethefreshairinlet

elevation,andparallelorabovetheexhaustoutput

ofthepelletfuelappliance.



Itishighlyrecommendedthatatleast3feetofvertical

pipe(B)beinstalledtocreatesomenaturaldraft.This

istohelppreventthe

possibilityofsmokeorodordur‐

Ingtheapplianceshutdown.



Horizontalsectionsmusthavea1/4”riseevery12”of

 travelafter3’long.



 Use(3)fasteningscrewsperjoint.



Pelletventconnectionsmustbesealedgastight.Use

 HighTemp(550°F)RTVSiliconeorHi‐temp

Aluminumfoil

tape.

 Sealeachventsectionbyinjectingaliberalamountof

 sealantintothegaporwrapwithfoiltape.



Itisstronglyrecommendedthattheexhaustsystem

 beterminatedontheprevailingwindsideofthehome.



Appliancemaynotbeplacedin,orvented

through

• THEPELLETVENTMUSTMAINTAINAMINIMUM3”CLEARANCETOANYCOMBUSTIBLE.

• (INSTALLVENTATCLEARANCESSPECIFIEDBYTHEVENTMANUFACTURER).

• 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APPLIANCE. 

    IMPORTANT

VS0952_H 2/12/201011

EXHAUSTSYSTEM(CONTINUED)

DETERMINEVENTINGSIZEANDDISTANCE:

Itisrecommendedthattheventsystembeinstalledwithaminimumofthreefeet(3’)ofvertical

riseabovetheapplianceexhaustport.



EquivalentVentLength(EVL)isthemethodofdeterminingventsizesandlengths,thattakesintoaccountthe

effectofdifferentcomponentpartsonairflow.

Pellet Venting

Component

# of Elbows

OR feet of Pipe

Multiply by Equivalent

Feet

Component

Equivalent

90 Degree or Tee X 5

45 Degree X 3

Horizontal Pipe X 1

Vertical Pipe X .5

Total Equivalent

Step1 Completetableabove.



Step2 EnsuretheTotalEquivalentisoris

lessthan30.



Step3 UsetheSizingCharttodetermine

theproperventingsizeaccording

totheTotalEquivalentandthe

Altitudeabovesealevel.



NOTE: Insomecasesitmaybenecessary



tocontactHearthlandCus tomer

Servicepersonneltodeter‐

mineacceptableventing

 configurationsandaltitude 

adjustments.

 Call: 1‐888‐883‐2260.

Diagramforvisualreference.

0 1 2 3 4 5 6 7 8 9 10

Altitud e in Thousa nd s of Fe e t

3 or 4 Inch Diameter Pipe

4 Inch Diameter Only

VS0952_H 2/12/201012

EXHAUSTSYSTEM(CONTINUED)

PELLETVENTTERMINATION:

• Terminationmustbeaminimumof12”above

thechasecap(DIM“A)(note:thechimneymust

meetlocalcodesforheightabovetheroofor

otherobstructions)

• Musthaveanapprovedcap(B)(topreventwa‐

terfromentering)ora45*elbowdownturn.

• Ifthe

terminationislocatedonthepredomi‐

nantlywindysideofthehouse,anapproved

houseshieldisrecommendedtopreventsoot

fromaccumulatingonthesideofthehouse.

• Mustnotbelocatedwheresnoworothermate‐

rialssuchasleafs,snoworgrass,couldblockit.

• Musthave

a“MetalSealPlate”or“WallThim‐

ble”atpoint(C)

• Horizontalterminationsmustprotrude12”from

thewall,verticalterminations24”

• Minimum3’clearanceaboveanyforcedairin‐

takeofanyotherappliancewithin6’.

• Minimum3’aboveagasmeter/regulatorwithin

3’horizontallyofthe

verticalcentrelineofregulator.

• Minimum6’clearancetoagasserviceregulatorventout‐

let.

• Minimum1’clearanceunderveranda,porch,deckorbal‐

cony.Permittedonlyifstructureisfullyopenonamini‐

mumoftwosidesbeneaththefloor.

VS0952_H 2/12/201013

EXHAUSTSYSTEM(CONTINUED)

PELLETVENTTERMINATION:

VS0952_H 2/12/201014

OUTSIDEAIRINTAKE

Outside air is strongly recommended for all other installations as well. Failure to install intake air

may result in improper combustion as well as the unit emitting smoke during power failures.

Metal pipe, ONLY, either solid or flexible, must be used in all outside air installations.(B)

A wind shield, (C), over the termination of the outside air intake pipe or a 90 degree elbow or

bend directed away from the prevailing winds MUST be used when an outside air pipe is in-

stalled through the side of a building. Keep the outside air pipe termination at least 1 foot away

from the exhaust system termination. Keep the pipe termination clear of debris, ice & snow. In-

spect the termination on a routine basis.

When outside air is taken from an existing chimney, the exhaust system must not terminate in the

same chimney.

The air intake pipe on your stove is 2" OD. The outside air connecting pipe must be at least 2" ID

The outside air connecting pipe must be as short and free of elbows as possible, and must fit

over the air intake pipe on your stove.

2”AIRINTAKE

3”EXHAUST

• FORMOBILEHOMEINSTALLATIONS,OUTSIDEAIRINTAKEISREQUIRED.

• Non‐metallicmaterial,suchasPVCorABSplasticpiping,mustnotbeusedforoutsideair

    IMPORTANT

VS0952_H 2/12/201015

HEARTHPROTECTION&CLEARANCES

LOCATINGSTOVE:

⇒ Keepinmindthefollowingplacementconcerns;ventingobstructions,outsideair,electricalout‐

let,wallthermostat,heatdistribution,trafficpatternsandroomuse/size.

⇒ Ifthestoveisplacedinalocationwheretheceilingheightislessthan7’,itmustfollowthere‐

quirementsinthesection“AlcoveInstallation”.

⇒ Althoughnotrequiredforsafetyreasons,itisstronglysuggestedthatsufficientspacebepro‐

vided(aminimumof24”)oneachsideoftheapplianceandatthebackoftheappliancetoen‐

ableservicingtheunitifnecessary.Ifthisspaceisunavailable,aprovisionmustbemade

toen‐

ableslidingtheapplianceout.



MINIMUMCLEARANCETOWALLS&COMBUSTIBLES:



•

2”FromBackOfStove

• 6”FromSideofStove(8”inCanada)

• 6”FromFrontOfStove(18”inCanada)

• 16”FromTopOfStove(8”inCanada)

• 3”FromPLVenttoCombustibles

• 2”FromBackCornerofStove

• 36”todrapes,doors,anythingthatcanswingtowardstove.



REQUIREMENTSFORFLOORPROTECTION:

⇒ Stoveandfloorprotectionmustbeinstalledonalevelsecurefloor.

⇒ Itisimportantforyourappliancetobelevel.Levelingshouldoccurbelowthefloorprotection

pad.

⇒ Thestovemustbeinstalledonanon‐combustiblefloorprotector(i.e.sheetsteelwithcement,

tileslate)extendingthefullwidthanddepthofthestove.



FLOORPROTECTIONMUSTEXTEND:

• 6”beyondfrontofthestove(18”inCanada)

• 6”beyondsidesofthestove(8”inCanada)

• 2”beyondrearofthestoveandtoeithersideofchimneytee.



VS0952_H 2/12/201016

HEARTHPROTECTION&CLEARANCES



CLEARANCES—STRAIGHTTHROUGHWALLINSTALLATION



CLEARANCES—INTERIORVERTICALINSTALLATION

VS0952_H 2/12/201017

HEARTHPROTECTION&CLEARANCES(CONTINUED)

 CLEARANCES–45°CORNERINSTALLATION



CLEARANCES–ALCOVEINSTALLATION



VS0952_H 2/12/201018

SUGGESTEDINSTALLATIONTOOLS



PowerTools



ShopVacuumforcleanup



Reciprocatingsaw



Electricdrill



Extensioncord



4”or5”diametercoringbitanddrill

(ifgoingthroughconcrete)



HandTools



TapeMeasure



CaulkingGun



Pencil



Allen(Key)wrenchset



StudFinder



Setofsocketsornutdriver(7/16”)



Screwdriver,PhillipTip



Assortmentofmetal,masonry,andwooddrillbits



Flashlight



HandTruckorcart(fortransportingstovetoinstallationlocation)



Hammer



Level



Utilityknife



Adjustablepliers(6to8inches)



Smallhandbroomanddustpan



FurnitureandFloorProtection



Supplies



CaulkingtubeofRTVHi‐HeatSilicone(550°F)



Selfdrillingscrewsforventingjoints((3)perjoint)



Assortmentofsheetandwoodscrews



Paintfortouch‐up



CaulkingtubeofClearSilicone



Hi–HeatAluminumFoilTape

Before starting your Hearthland Pellet Stove install, we recommended you review the following list of tools that

may be required and have them ready if needed.

VS0952_H 2/12/201019

INSTALLATION 

THROUGHTHEWALL,DIRECTVENTINSTALLATION.



1. Selectthelocationforyourstove,designtheexhaustsystemanddeter‐

minethebrandandsizeof"PL"venttobeused.

2. Positionthefloorpad.

3. Followingthe"PL"ventmanufacturer'sspecifications,markandcutahole

throughthewalltoaccommodatethewallthimble,(6),

andtheoutsideair

pipe,(9),ifoutsideairistobeused.Rememberthattheoutsideairintake

mustbelocatednocloserthan12”fromtheventexhaust.Trytoavoid

cuttingwallstuds,anduseextremecautiontoavoidcuttingintopoweror

waterlineswithinthewall

ofyourhome.

4.Installthewallthimble,(6).Besuretorunabeadofsiliconearoundtheout‐

side edges of the wall thimble to reduce drafts, both inside and outside.

Insertthepropersizeof"PL"vent,(5),throughthewallthimble,(6).

5.Placeyourstove

on thefloorpad,closetoitsfinalposition.Leaveroomto

connectthe"PL"ventto“Quick Connect”endcollar.Installthegasket (2)

and“QuickConnect”exhaustend(3)toyourstovetothe“QuickConnect”mountingplate.Usethe(4)7/16”nuts,tose‐

curetightly.

6.

PlaceabeadofHighTemp(550°F)RTVsiliconearoundtheendcollarofthe“QuickConnect”ofyourstove'sexhaust,(3).

Firmlypushthe“PL”ventpipeadaptor(4)intothebeadofHighTemp(550°F)RTVsilicone.

 Note:If4"PLventisrequired,usean3”to4”PipeAdaptorIncreaser,(4),onthestoveexhaustpipe.

7. Connectthelength of "PL" vent, (5), that is in the thimble, (6),onto the pipe adaptor (4).Fasten together with at least

threesheetmetalscrews(approx.3/8”inlength).PlaceabeadofHighTemp(550°F)RTVsiliconearoundtheconnection.



8. Placeyourstoveinits finalpositionon  thepad.PlaceanotherbeadofHighTemp(550°F)RTVsilicone aroundthe“PL”

vent(6)andtheinsideofthewallthimble,tostopcoldairdrafts.



9.Ontheoutsideofthebuilding,placeanexhaustcap(7)ora45degree"PL"typeelbow,(7),ontotheendofthehorizontal

"PL"vent,(5).Optionally,placearodentscreencap(mayberequiredinsomelocals),ontheendoftheelbow,(7).Runa

beadofHighTemp(550°F)RTVsiliconearoundallconnectionsandaroundthe“PL”ventpipeandtheoutsideofthewall

thimble.Note:Theendoftheexhaustpipemustextendaminimumof12”fromtheoutsideofthebuilding.

Note: Most horizontal, through the wall installations may require a Clean-out Tee and minimum 3 feet vertical

rise of pipe, inside or outside the building.

VS0952_H 2/12/201020

These styles of installation are highly recommended, due to possible backpressure in the exhaust caused by

airflow around the outside of the structure, snow build-up, or power failure, etc.. These designs will improve

venting performance and provide natural draft to help evacuate smoke from the appliance in case of power

failure. Follow the same basic steps in locating your appliance, attaching the exhaust system and outside air

intake to your stove as the previous examples.

INSTALLATION , CONTINUED

HEARTHSTOVE—EXISTINGRELINE

RAIN CAP

STORM COLLAR/ROOF

FLASHING

EXISTING CHIMNEY

16”

24”

PL VENT

OPTIONAL

STEEL PLATE

(CHIMNEY MUST BE SEALED TO PREVENT DOWN-DRAFTS & WEATHER)

MAINFLOOR—VERTICAL

TEE SUPPORT

TEE & END CAP

CEILING SUPPORT

FIRESTOP

PIPE SUPPORT BRKT

STORM COLLAR/ROOF

FLASHING

RAIN CAP

PL VENT

WALL THIMBLE

TEE & CAP

TEE SUPPORT

ROOFLINE

WALKOUTBASEMENTORMAINFLOOR

BASEMENTORGROUNDFLOOR

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Hearthland NOKOMIS Owner's manual

Brand: Hearthland

Model: NOKOMIS

Category: Pellet stove

Type: Owner's manual

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