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Vermont Castings Encore FlexBurn Owner's manual

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1
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R49 • 10/19
SAFETY NOTICE: IF THIS APPLIANCE IS NOT
PROPERLY INSTALLED, OPERATED AND
MAINTAINED, A HOUSE FIRE MAY RESULT.
TO REDUCE THE RISK OF FIRE, FOLLOW THE
INSTALLATION INSTRUCTIONS. FAILURE TO
FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY
DAMAGE, BODILY INJURY OR EVEN DEATH.
CONTACT LOCAL BUILDING OFFICIALS ABOUT
RESTRICTIONS AND INSTALLATION INSPECTION
REQUIREMENTS IN YOUR AREA.
The French language version of this manual is available online:www.vermontcastings.com
La version française de ce manuel est disponible en ligne : www.vermontcastings.com
Please read this entire manual before
installation and use of this wood-burning
room heater.
Failure to follow these instructions could
result in property damage, bodily injury
or even death.
• Donotstoreorusegasolineorotherammablevapors
and liquids in the vicinity of this or any other appliance.
• Donotoverre-Ifanyexternalpartstartstoglow,you
areoverring.Closeaircontrols.Overringwillvoid
your warranty.
• Complywithallminimumclearancestocombustibles
asspecied.Failuretocomplymaycauseahousere.
WARNING
!
Testedandapprovedforusewithdry,seasonedcordwood
only. Do Not Burn Wet or Green Wood. Burning any other
type of fuel will void your warranty.
CAUTION
!
Installation & Operating Manual
Installation and Appliance Setup - Care and Operation
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
Call your dealer for questions on Installation, Operation, or Service.
2425
Encore NC Cover
5/05
For use in the
UnitedStatesandCanada
Encore
®
FlexBurn
®
Non-Catalytic/
Catalytic Wood Burning Stove
Model 2040
NOTICE: SAVE THESE INSTRUCTIONS
Installationandserviceofthisapplianceshouldbeperformedby
qualiedpersonnel.Hearth&HomeTechnologiesrecommends
HHTFactoryTrainedorNFIcertiedprofessionals.
2
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Congratulations on your choice of a Vermont Castings
Encore
®
stove. With this purchase you have made a
commitmenttomakethehearthaplaceofwarmth,beauty
andcomfortinyourhome.AtVermontCastings,wesharethat
joy and appreciation for the hearth. We assure you that your
cast-ironVermontCastingsstovehasbeenmadewiththe
utmost care and will provide you with many years of service.
Asyoubecomeacquaintedwithyournewstove,youwillnd
thatitsappearanceismatchedbyitsfunctionality,duetocast
iron’s unique ability to absorb and radiate heat.
Also,VermontCastingsproductsareamongthecleanest-
burningwoodstovesavailabletoday.However,cleanburning
depends on both the manufacturer and the operator. Please
read this manual carefully to understand how to properly
operate and maintain your stove.
At Vermont Castings, we are equally committed to your
satisfaction as a customer. That is why we maintain an
exclusivenetworkofthenestdealersintheindustry.Our
dealers are chosen for their expertise and dedication to
customerservice.Theyarefactory-trainedandknowledgeable
abouteveryVermontCastingsproduct.Feelfreetocontact
yourAuthorizedVermontCastingsDealeranytimeyouhave
a particular question about your stove or its performance.
This manual contains valuable instructions on the installation
and operation of your Vermont Castings Encore
®
. It also
contains useful information on maintenance. Please read the
manual thoroughly and keep it as a reference.
This manual describes the installation, operation, and
maintenanceoftheVermontCastingsEncore
®
Model 2040
Non-Catalytic/Catalyticwoodburningheater.Thisheater
meets the U.S. Environmental Protection Agency’s emission
limitsforwoodheaterssoldonorafterMay15,2015.
Please read this entire manual before you install and use
your new stove. Failure to follow instructions may result in
propertydamage,bodilyinjury,orevendeath.
Installation Accessories
Warming Shelf 8” Flue Collar
#0200 ClassicBlack #0555 ClassicBlack
#0205 Biscuit #0556 Biscuit
#0199 Bordeaux #0560 Bordeaux
#0208 Brown Majolica #0557 Brown Majolica
#0198 Twilight #0561 Twilight
#3264 MobileHomeBracketKit
#3185 OutsideAirAdapter
#0127 Firescreen
FK26 FanKit
#3190 ConnectorPipeHeatShield
#0180 RectangularCeilingKit
#0181 RoundCeilingKit
A line of porcelain enamel stove pipe is available in Biscuit,
Bordeaux, Brown Majolica colors.
Product Specications and Important Safety Information
ApplianceCertication ............................ 3
Californiasafetyinformation ........................ 3
BTU&EciencySpecications ..................... 3
Dimensions ...................................... 4
Installation
OutsideAir ..................................... 5
TypesofChimneytoUse .......................... 6
ChimneySize ................................... 6
ChimneyConnectorGuidelines ..................... 7
FireplaceInstallations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Floor Protection ................................ 10
ClearancestoCombustibles ...................... 12
MobileHomeInstallation ......................... 17
Assembly
Setting up your Stove ............................ 18
InstallBottomHeatShield ........................ 18
Adjust Leg Levelers ............................. 19
InstallingCatalystTemperatureProbe ............... 19
AttachingDamperHandle ........................ 19
FanKitInstallation .............................. 20
Installing/RemovingCatalyst ..................... 20
Smoke Alarm / Safety Tips ......................... 21
Operation
AirControls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Damper Adjustments ............................ 22
WoodBurningOperation ......................... 23
Ash Disposal .................................. 27
Draft Management ................................ 28
Maintenance ..................................... 30
The Catalytic Element ............................. 34
Service Parts List ................................ 36
Warranty ........................................ 42
Table of Contents
3
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
*An eciency based on EPA historical data: 63% for non-
catalytic stoves.
**Maximum calculated eciency using Douglas Fire
dimensional lumber and data collected during EPA
emissions test.
***A range of BTU outputs based on EPA Default Eciency
and the burn rates from the low and high EPA tests, using
Douglas Fir dimensional lumber.
**** A peak BTU out of the unit calculated using the maximum
rst hour burn rate from the High EPA Test and BTU content
of seasoned cordwood (8600) times the eciency.
This wood heater needs periodic inspection and repair for
properoperation.Itisagainstfederalregulationstooperate
this wood heater in a manner inconsistent with operating
instructions in this manual.
EPA Certication Number: 787
Non-Catalytic Information
EPA Certied Emissions: 1.6g/hr
*EPA Default Eciency: 73.0%
**Actual tested Eciency: 67.6%
***EPA BTU Output: 10,000-34,000
****Peak BTU/Hour Output: 47,200
Catalytic Information
EPA Certied Emissions: 1.1g/hr
*EPA Default Eciency: 80.0%
**Actual tested Eciency: 74.3%
***EPA BTU Output: 13,400-33,200
****Peak BTU/Hour Output: 45,500
Other Important Information
Vent Size: 6Inch(152mm)
8Inch(203mm)
Firebox Size: 2.3 cu. ft.
Max. Wood Length: 22"Maximum
Ideal Wood Length: 18"(TopLoad)
Fuel SeasonedCordwood
(20%moisture)
Area Heated...................................900-2,300Squarefeet
Loading .......................................................... Front and top
Chimney Connector: .........................................................
for6"uecollar ...........................6"(152mm)diameter
for8"ovaluecollar ....................8"(203mm)diameter
Flue Exit Position ............................................Top or Rear
Primary Air ............
Manuallyset,thermostaticallymaintained
Secondary Air ................................... Fixed,self-regulating
Ash Handling System........................ Removable ash pan
Glass Panels .............................High-temperatureceramic
Weight ......................................................475lbs.(215kg.)
MODEL: Encore
®
,Model2040
LABORATORY: OMNITestLaboratories,Inc
REPORT NO. 227-S-42-2
TYPE: SolidFuelRoomHeater/Wood
Burning Type
STANDARD(s): UL1482-2011,UL737-2011,
ULC-S627-00
ELECTRICAL
RATING:
115VAC,60Hz
Mobile Home Approved
This appliance is approved for Installation in mobile/
manufactured homes in the United States and Canada
Thestructuralintegrityofthemobilehomeoor,ceilingand
walls must be maintained. The appliance must be properly
groundedtotheframeofthemobilehome,andmustnever
be installed in a room designated for sleeping. The unit must
have provisions for an outside air source when installed in
a mobile home.
Product Specications and Important Safety Information
Appliance Certication BTU & Eciency Specications
!
WARNING
This product and the fuels used to operate this product
(wood),andtheproductsofcombustionofsuchfuels,can
expose you to chemicals including carbon black, which
isknowntotheStateofCaliforniatocausecancer,and
carbonmonoxide,whichisknowtotheStateofCalifornia
to cause birth defects or other reproductive harm. For
more information go to: www.P65Warnings.ca.gov
California safety information
Proposition 65 Warning:Fuelsusedingas,woodburning
oroil red appliances,andtheproducts ofcombustion
of such fuels, contain chemicals known to the State
of California to cause cancer, birth defects and other
reproductive harm.
CaliforniaHealth&SafetyCodeSec.25249.6
4
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Stove Dimensions
Figure 1-Encore
®
2040 dimensions.
Drawing Not to Scale
5295
Encore 2N1
dimensions
3-3/4”
(95 mm)
22-3/4”
(578 mm)
25"
(635 mm)
Top exit
flue collar
height
27"
(686 mm)
25-3/4”
(654 mm)
18-1/2”
(470 mm)
7-1/4”
(184 mm)
27"
(686 mm)
22-1/4”
(565 mm)
15-1/2”
(394 mm)
5"
(127 mm)
2-7/8” (73 mm)
23-3/4”
(603 mm)
15"
(381 mm)
40-5/16”
(1024mm)
5
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Installation
SAFETY NOTICE: IF YOUR ENCORE
®
IS NOT PROPERLY
INSTALLED, A HOUSE FIRE MAY RESULT. TO REDUCE
THE RISK OF FIRE, FOLLOW THE INSTALLATION
INSTRUCTIONS. CONTACT LOCAL BUILDING OR FIRE
OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION
INSPECTION REQUIREMENTS IN YOUR AREA.
Beforeyoubeginaninstallation,besurethat:
• Your stove and chimney connector will be far enough from
combustible material to meet all clearance requirements.
• The oor protector is large enough and is constructed
properly to meet all requirements.
• You have all necessary permits from local authorities.
Yourlocalbuildingocialisthenalauthorityforapproving
your installation as safe and determining that it meets local
and state codes.
The metal label permanently attached to the back of every
VermontCastings’stoveindicatesthatthestovehasbeen
tested to current UL and ULC standards, and gives the
name of the testing laboratory. Clearance and installation
information also is printed on the label. When the stove is
installed according to the information both on the label and
inthismanual,localauthoritiesusuallywillacceptthelabel
as evidence that the installation meets codes and can be
approved.
However,codesvaryindierentareas.Beforestartingthe
installation,reviewyourplanswiththelocalbuildingauthority.
Your local dealer can provide any additional information
needed.
Foranyunresolvedinstallationissues,refertotheNational
Fire ProtectionAssociation’s publicationANSI/NFPA 211
Standard for Chimneys, Fireplaces, Vents and Solid Fuel
BurningAppliances.ForCanada,theequivalentpublication
isCSACAN-B365InstallationCodeforSolidFuelBurning
Appliances and Equipment. These standards are the basis for
many national codes. They are nationally recognized and are
accepted by most local authorities. Your local dealer or your
localbuildingocialmayhaveacopyoftheseregulations.
IMPORTANT: Failure to follow these installation
instructions may result in a dangerous situation, including
a chimney or house re. Follow all instructions exactly,
and do not allow makeshift compromises to endanger
property and personal safety.
Outside Air
Asourceofair(oxygen)isnecessaryinorderforcombustion
to take place. Whatever combustion air is consumed by the
remustbereplaced.Airisreplacedviaairleakagearound
windowsandunderdoors.Inhomesthathavetightlysealed
doorsandwindows,anoutsideairsourceisneeded.
Items Needed for Installation (not supplied)
• Outside air adapter (available at your authorized
VermontCastingsdealer)
• Phillips head screw driver
• Silicone sealant
• 3”FlexorRigidDuct
• 3”OutsideAirTerminationCapwithScreen
• HoseClamps
• Drills and saws necessary for cutting holes through
thewallorooringinyourhome.
1. Usinga#2Phillipsscrewdriverattachtheexadapterto
theapplianceusing4screws.Figure5.13&5.14.
2. Floor&RearInstallation:Cuta3”(76mm)holeinoutside
walloroortoaccommodateoutsideairpiping.Use3”
(76mm) aluminum metalex or rigidpiping to directly
connect outside air to appliance intake. Use the supplied
termination cap with a rodent screen. Seal between the
wall(oroor)andthepipewithsiliconetopreventmoisture
penetration.
Whenpoordraftiscausedbyalowinltrationrate,openinga
groundoorwindowonthewindwardsideofthehouseand
near the stove will usually alleviate the problem.
A better solution is to install a permanent outside air supply
tothestoveand/orroom.Infact,bringingairforcombustion
from outside the home directly to the air inlet of the stove is
required for new construction in some areas.
Types of Chimney to Use
You must connect the Encore
®
toacode-approvedmasonry
chimneywithaueliner,toarelinedmasonrychimneythat
meetslocalcodes,ortoaprefabricatedmetalchimneythat
complieswiththerequirementsforTypeHTchimneysinthe
StandardforChimneys,Factory-Built,ResidentialTypeand
BuildingHeatingAppliance,UL103.Figure2illustratesthe
two types. The chimney and chimney connector must be in
good condition and kept clean.
6
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
2' Min.
2' Min.
3'
Min.
0 To 10'
3'
Min.
0 To 10'
AC617
RLTSKC8
2/11/98
Reference
Point
Figure 3-The2’-3’10’ChimneyRule.
Masonry Chimneys
Aninspectionofthechimneymustconrmthatithasalining.
Do not use an unlined chimney. The chimney should have
no cracks, loose mortar, other signs of deterioration, and
blockage. Repair any defects before the chimney is used
with your stove.
Unusedopeningsinanexistingmasonrychimneymustbe
sealedwithmasonrytothethicknessofthechimneywall,
andthechimneylinershouldberepaired.Openingssealed
with pie plates or wallpaper are a hazard and should be
sealedwithmortarorrefractorycement.Intheeventof a
chimneyre,amesandsmokemaybeforcedoutofthese
unused thimbles.
The chimney should be thoroughly cleaned before use.
A newly-built masonry chimney must conform to the
standardsofyourlocalbuildingcodeor,intheabsenceofa
localcode,toarecognizednationalcode.Masonrychimneys
mustbelined,eitherwithcode-approvedmasonryorpre-cast
refractory tiles, stainless steel pipe, or a code-approved,
“poured-in-place”liner.Thechimney’sclean-outdoormust
seal tightly. A loose or leaky clean-out door can weaken
chimneydraft,causingperformanceproblems.
Prefabricated Chimneys
A prefabricated metal chimney must be one tested and
listedforusewithsolid-fuelburningappliancestotheHigh-
Temperature(H.T.)ChimneyStandardUL-103-1985(2100°F)
fortheUnitedStates,andHighTemperature(650°C)Standard
ULCS-629forCanada.
DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE
SERVING ANOTHER APPLIANCE.
Chimney Size
An Encore
®
withan8"(203mm)uecollarisapprovedfor
venting into a masonry chimney with a nominal ue size
of8"x8"(203x203mm)or8"x12"(203x305mm),and
intoarounduewithnominaluesizeof8"(203mm).An
Encore
®
witha6"(152mm)ueconnectorisapprovedfor
ventingintoamasonrychimneywithanominaluesizeof
8"x8"(203x203mm),andintoarounduewithnominal
ueof6"(152mm).
NOTE: When installed with a 6" ue collar, the Encore
®
may not be operated with the front doors open.
Whatevertheuecollarsize,anEncore
®
may be vented into
largerchimneysaswell.However,chimneyswithlinerslarger
than8"x12"(203x305mm)mayexperiencerapidcooling
ofsmokeandreductionindraft,especiallyifthechimneys
are located outside the home. These large chimneys may
needtobeinsulatedorhavetheirues relined forproper
stove performance.
Accessories to help make the connection between stainless
steel chimney liners and your Encore
®
are available through
your local dealer.
Chimney Connector Guidelines
Achimneyconnectoristhe single-wallpipethatconnects
the stove to the chimney. The chimney itself is the masonry
orprefabricatedstructurethatenclosestheue.Chimney
connectors are used only to connect the stove to the chimney.
Single-wall connectors should be made of 24 gauge or
heavier steel. Do not use galvanized connector; it cannot
withstand the high temperatures that can be reached by
smoke and exhaust gases, and may release toxic fumes
underhighheat.Theconnectormaybe6"(152mm)or8"
(203mm)indiameter.
Ifpossible, donotpass thechimneyconnector througha
combustiblewallorceiling.Ifpassagethroughacombustible
wall is unavoidable, refer to the section on Wall Pass-
Throughs.Donotpasstheconnectorthroughanattic,acloset
or similar concealed space. The whole connector should be
exposedandaccessibleforinspectionandcleaning.
ST241
chimney types
12/13/99 djt
Aprefabricateddouble-wall
insulated chimney
Atile-lined
masonry chimney
Figure 2-Approvedchimneytypes.
Ifyouuseanexistingmasonrychimney,itmustbeinspected
to ensure it is in a safe condition before the stove is installed.
Yourlocalprofessionalchimneysweep,buildinginspector,
orredepartmentocialwillbeabletoinspectthechimney
or provide a referral to someone who can.
Thechimneymustextendatleast3’(914mm)abovethe
highestpointwhereitpassesthroughorneararoof,andat
least2’(610mm)higherthananypartofabuildingwithin
10’(3m)horizontally.(Figure3)
Forproperdraftandgoodperformance,anychimneyused
with a Encore
®
shouldextendatleast16’(5m)abovethe
uecollarofthestove.
7
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Inhorizontalrunsofunshieldedchimneyconnector,maintain
adistanceof30"(762mm)fromtheceiling.Keepitasshort
and direct as possible, with no more than two 90° turns.
Slope horizontal runs of connector upward 1/4" per foot
(6mmpermeter)goingfromthestovetowardthechimney.
Therecommendedmaximumlengthofahorizontalrunis3’
(1m),andthetotallengthshouldbenolongerthan8’(2.4
m).Incathedralceilinginstallations,extendtheprefabricated
chimneydownwardtowithin8’(2.4m)ofthestove.Thiswill
helpmaintainagooddraftbykeepingthesmokewarm,so
that it rises readily.
Wearglovesandprotectiveeyewearwhendrilling,cuttingor
joining sections of chimney connector.
Single-wall Chimney Connectors
• Beginassemblyattheuecollarofthestove.Insertthe
rst crimped end into the
stove’s flue collar, and
keep each crimped end
pointing toward the stove.
(Figure4)Usingtheholes
intheuecollarasguides,
drill1/8"(3mm)holesinthe
bottomoftherstsectionof
chimney connector and
secureittotheuecollar
withthree#10x1/2"sheet
metal screws. Lift o the
griddle, and shield the
stove’s surface between
the griddle opening and the
frontoftheuecollartoprotectthenishwhenyoudrill
the front hole.
• Fasteneachjointbetweensectionsofchimneyconnector,
includingtelescopingjoints,withatleastthree(3)sheet
metal screws. The pre-drilled holes in the top of each
section of chimney connector serve as guides when you
drill1/8"(3mm)holesinthebottomofthenextsection.
• Fastenthechimneyconnectortothechimney.Instructions
for various installations follow. Figure 5 illustrates the
general layout of chimney connector parts.
• Be sure the installed stove and chimney connector are
correct distances from nearby combustible materials.
NOTE: Special slip pipes and thimble sleeves that form
telescoping joints between sections of chimney connector
are available to simplify installations. They often eliminate
theneedtocutindividualconnectorsections.Consultyour
local dealer about these special pieces.
ST492
Defiant
freestanding
installation
11/00
Chimney
Elbow
Slip Pipe
Standard
Connector
FlueCollar
Thimble
FlueInner
Flue
Figure 5 -An exploded view of the chimney connection in a
freestanding masonry installation.
ST242
Chimney connector
12/13/99 djt
Flue Gas
Direction
Toward
Stove
Figure 4 -Chimneyconnector.
Securing the Single-wall Connector to a Prefabricated
Chimney
Follow the installation instructions of the chimney manufacturer
exactlyasyouinstallthechimney.Themanufacturerofthe
chimneywillsupplytheaccessoriestosupportthechimney,
eitherfromtheroofofthehouse,attheceilingoftheroom
wherethestoveisinstalled,orfromanexteriorwall.
Special adapters are available from your local dealer to
make the connection between the prefabricated chimney and
the chimney connector. The top of such adapters attaches
directly to the chimney or to the chimney’s ceiling support
package,whilethebottomoftheadapterisscrewedtothe
chimney connector.
Theseadaptersaredesignedsothetopendwilltoutside
theinnerwallofthechimney,andthebottomendwilltinside
therstsectionofchimneyconnector.
Securing the Single-wall Connector to a Masonry
Chimney
Bothfreestandingmasonrychimneysandreplacemasonry
chimneys may be used for your installation.
Freestanding Installations
Ifthechimneyconnectormustpassthroughacombustible
walltoreachthechimney,followtherecommendationsin
the Wall Pass-Through section that follows. The opening
through the chimney wall to the ue (the “breech”) must
belinedwitheitheraceramicormetalcylinder,calledthe
“thimble,”whichiscementedsecurelyinplace.Mostchimney
breechesincorporatethimbles,butthetmustbesnugand
the joint between the thimble and the chimney wall must be
cementedrmly.
8
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Figure 7-Inthisinstallation,thechimneyconnectorattachesto
thechimneyabovethereplaceopening.
ST244
Plymouth
fplc over mantel
12/99
*
*
CheckThese
Clearances
Mantel
Seal
ThisO
Thimble Sleeve
Chimney
Connector
Flue
Keepsleeve
endushwith
uetile
Figure 6-Thethimble,madeofeitherceramicormetal,mustbe
cemented securely in place.
• Thereplacedampermustbesealedtopreventroomair
fromescapinguptheue.However,itmustbepossible
tore-openthedampertoinspectorcleanthechimney.
Through the Fireplace
Ifyourreplaceopeningheightisatleast29"(737mm),you
may install a Encore
®
through the opening using a “positive
connection” kit, available from your local dealer. Positive
connectionkitsensureatighttbetweenthestoveuecollar
andthechimneyue.(Figure8)
Fireplaceinstallations,whetherconnectedtotheueabove
or through the replace opening, have special clearance
requirementstoadjacenttrimandthemantel.You’llndthe
required safe clearances for Encore
®
replaceinstallations
on Page 12.
Floor protection requirements also apply to fireplace
installations. Refer to the "Floor Protection" section in this
manual.
Wall Pass-Throughs
Wheneverpossible,designyourinstallationsotheconnector
does not pass through a combustible wall. If you are
consideringawallpass-throughinyourinstallation,check
withyourbuildinginspectorbeforeyoubegin.Also,check
with the chimney connectormanufacturer for any specic
requirements.
Accessoriesareavailableforuseaswallpass-throughs.If
usingoneofthese,makesureithasbeentestedandlisted
foruseasawallpass-through.
Toinstallathimblesleeve,slideitintothebreechuntilitis
ushwiththeinneruewall.Donotextenditintotheactual
uepassage,asthiscouldinterferewiththedraft.
Thethimblesleeveshouldprotrude1-2"(25-50mm)intothe
room. Use furnace cement and thin gasketing to seal the
sleeve in place in the thimble. Secure the chimney connector
to the outer end of the sleeve with sheet metal screws.
Withoutathimble,asuitablelengthofchimneyconnector
canbeextendedthroughthebreechtotheinnerfaceofthe
ueliner,andcementedsecurelyinplace.Additionalpieces
of connector are then attached with sheet metal screws.
Fireplace Installations
The chimney connector may be connected to the chimney
abovethereplaceopeningorthroughthereplace.
Above the Fireplace
The Encore
®
may be connected to a chimney above a
replaceopening.(Figure7)Insuchinstallations,thestove
ispositionedonthehearthinfrontofthereplaceandthe
chimney connector rises from the stove top and then angles
ninety degrees back into the chimney. The chimney liner
shouldextendtothepointatwhichthechimneyconnector
enters the chimney.
If the chimney connector in your installation enters the
chimneyaboveareplace,followalltheguidelinesmentioned
aboveforfreestandinginstallations.Inaddition,givespecial
consideration to the following points:
• Check the clearance between the mantel and the
chimney connector, and any combustible trim or the
mantel.
• Checktheclearancebetweenthechimneyconnectorand
theceiling.Theclearanceshouldbeatleast30"(762
mm)withunshieldedconnectors.Consulttheclearance
charts for other installation options.
Aspecialpiececalledthe“thimblesleeve,”slightlysmaller
in diameter than standard connectors and mostthimbles,
will facilitate the removal of the chimney connector system
forinspectionandcleaning.(Figure6)Thimblesleevesare
available from your local dealer.
9
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
ST245
fireplace
flex connector
12/99
Flexible
Connector
Mantel Shield
FireplaceAdapterKit
“PositiveConnection”
Figure 8-Throughthereplaceinstallation.
ST493
Brick pass thru
11/00
Wall Stud
Chimney
Connector
Floor
Protection
12" of
Noncombustible
Material
Figure 9-Anapprovedwallpass-throughfortheUnitedStates.
T
ST494
steel
wall pass thru
11/00
18"(460mm)clearance
between pipe and
sides/top/bottomof
opening
Figure 10-Anapprovedwallpass-throughforCanada.
Your local dealer or your local building inspector can provide
details for other approved methods of passing a chimney
connectorthroughacombustiblewallinyourarea.InCanada,
this type of installation must conform to CAN/CSA-B365,
Installation Code for Solid Fuel Burning Appliances and
Equipment.
NOTE: Do not vent your Encore
®
intoafactory-built(zero-
clearance)replace.Theseappliancesandtheirchimneys
arespecicallydesignedasaunitforuseasreplaces.It
may void the listing or be hazardous to adapt them for any
other use.
DO NOT CONNECT THE Encore
®
TO ANY AIR
DISTRIBUTION DUCT OR SYSTEM.
Three other methods are also approved by the NFPA:
• Placing a section of chimney connector inside a ventilated
thimble,whichinturnisseparatedfromcombustiblesby
6"(152mm)ofberglassinsulatingmaterial.
• Placing a section of chimney connector inside a section
of 9" (230 mm) diameter, solid-insulated, factory-built
chimney, with 2" (51 mm) of air space between the
chimney section and combustibles.
• Using a section of solid-insulated double-wall high
temperaturechimney,withaninsidediameterthesameas
thechimneyconnector,atleastoneinchofsolidinsulation,
andaminimumof9"(229mm)airspacebetweenthe
outer wall of the chimney section and combustibles.
In Canada, The Canadian Standards Association has
establisheddierentguidelinesforwallpass-throughs.Figure
10showsonemethod,inwhichallcombustiblematerialin
thewalliscutawaytoprovidetherequired18"(457mm)
clearance for the connector. The resulting space must remain
empty.Aush-mountedsheetmetalcovermaybeusedon
onesideonly.Ifcoversmustbeusedonbothsides,each
cover must be mounted on noncombustible spacers at least
1"(25mm)clearofthewall.
IntheUnitedStates,theNationalFireProtectionAssociation
(NFPA) has established guidelines for passing chimney
connectors through combustible walls. Many building
code inspectors follow these guidelines when approving
installations.
Figure 9 shows one NFPA recommended method. All
combustible material in the wall is cut away from the
single-wallconnectortoprovidetherequired12"(305mm)
clearance. Any material used to close up the opening must
be noncombustible.
10
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
U.S. Canada
A 39" 43"(1092mm)
B 45" 49"(1245mm)
C
12"
10"
12"(305mm)8"Connector
10"(250mm)6"Connector
D 6" 8"(203mm)
E 6" 8"(203mm)
F 16" 18"(460mm)
Floor Protection
A tremendous amount of heat radiates from the bottom plate
ofyourstove.Theoorareadirectlyunderandaroundthe
stove will require protection from radiant heat as well as from
straysparksorembersthatmayescapetherebox.
HeatprotectionisprovidedwiththeuseoftheBottomHeat
Shield supplied with the stove.
Most installations will require the bottom heat shield to be
attached. Onlywhen the stove is placed on a completely
noncombustible surface such as unpainted concrete over
earth may it be used without the heat shield.
With the bottom heat shield installed the Encore
®
2040
was tested using a 1/2" (13mm) non-combustible hearth
material with a thermal conductivity, (k) = 0.47 BTU - in/
hr-ft2-°F,resultingintherequirementofprovidingatotal
thermalresistance(R)of1.06.(Referto“How to Determine
if Alternate Floor Protection Materials are Acceptable”
section.)Theoorprotectormaybecoveredwithadecorative
noncombustible material if desired. Do not obstruct the space
under the heater.
Whenusingarescreenwithdoorsopen,UL737,Standard
forFireplaceStoves,thisunitwastestedusinga1"(25mm)
non-combustiblehearthpadwithathermalconductivity,(k)
=0.47BTU-in/hr-ft2-°F,resultingintherequirementof
providing atotal thermal resistance (R) of 2.12. (Refer to
“How to Determine if alternate Floor Protection Materials are
Acceptable” section.)The oor protector may be covered
with a decorative noncombustible material if desired. Do
not obstruct the space under the heater. An 8" chimney and
chimney connector is required and the bypass damper must
be in the fully open position.
Important: All installations on a combustible oor require
the use of the supplied bottom heat shield.
Protection requirements vary somewhat between the Untied
StatesandCanadaasfollows:
In U. S. installationstheoorprotectorisrequiredunder
thestoveandmustextendatleast16"(notincludingtheash
lip)fromthefrontofthestove(“F,”Figure11),andatleast6"
fromthesidesandrear.(“D”and“E,”Figure11)
In rear venting congurations, oor protection must also
extendunderthechimneyconnectorand2"toeitherside.
(“C,”Figure11)Forthe8"(203mm)connector,theprotector
mustbeaminimumof12"(305mm)wide.Forthe6"(152
mm)connector,theprotectormustbe10"(254mm)wide.
The protector must be centered under the connector.
Tomeettheserequirements,aoorprotectormustbeatleast
39" wide and 45" deep.
In Canada:A noncombustible oor protector is required
underthestoveaswell.Theoorprotectormustextend18"
(457mm)tothefront(“F,”Figure11),and8"(203mm)from
thesidesandrear.(“D”and“E,”Figure11)
Tomeettheserequirements,aoorprotectormustbeatleast
43"(1092mm)wideand49"(1245mm)deep.
D
E
A
B
A
E
C
ST500
Defiant
floor protection
1/31/02 djt
F
E
E
F
Figure 11-Requiredoorprotectiondimensions.
How to Determine if Alternate Floor Protection Materials
are Acceptable
Alloorprotectionmustbenoncombustible(i.e.metals,brick,
stone,mineralberboards,etc.).Anyorganicmaterials(i.e.
plastics, wood paper products, etc.) are combustible and
must not be used.The oor protection specied includes
someformofthermaldesignationsuchasR-value(thermal
resistance)ork-factor(thermalconductivity).
Procedure:
1. ConvertspecicationstoR-value:
i.R-valuegiven-noconversionneeded.
ii.K-factorisgivenwitharequiredthickness(T)ininches:
iii.K-factorisgivenwitharequiredthickness(T)ininches:
iv.R-factorisgivenwitharequiredthickness(T)ininches:
R=rxT
2. Determine the R-value of the proposed alternate oor
protector:
i. Use the formula in Step 1 to convert values not
expressedasR.
ii. For multiple layers, add R-values of each layer to
determineoverallR-value.
3. Ifthe overall R-value of the system is greater than the
R-valueofthespeciedoorprotector,thealternateis
acceptable.
R= xT
1
Kx12
R=xT
1
K
11
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
EXAMPLE:Thespeciedoorprotectorshouldbe1/2-inch
thickmaterialwithk-factorof0.84.Theproposedalternate
is4"brickwithanr-factorof0.2over1/8"mineralboardwith
ak-factorof0.29
Stepa:UseformulaabovetoconvertspecicationtoR-value:
Stepb:CalculateRofproposedsystem.
4"brickofr=0.2,therefore:
R
brick
=0.2x4=0.8
1/8"mineralboardofk=0.29,therefore
R
mineralboard
= x0.125=0.431
R
total
=R
brick
+ R
mineralboard
=0.8+0.431=1.231
Stepc:CompareproposedsystemRtotalof1.231tospecied
R of 0.59. Since proposed system Rtotal is greater than
required,thesystemisacceptable.
Denitions
R=xT=x1.00=1.18
1
k
1
0.84
1
0.29
r= =
(ft
2
)(hr)(°F)
(Btu)(in)
1
k
(Btu)(ft)
(ft
2
)(hr)(°F)
K=
K= =kx12
(Btu)(in)
(ft
2
)(hr)(°F)
R=
(ft
2
)(hr)(°F)
Btu
Floor Protection for Fireplace Installation
Do not assume that your replace hearth is completely
noncombustible.Manyreplacehearthsdonotsatisfythe
“completely noncombustible” requirement because the brick
orconcreteinfrontofthereplaceopeningissupportedby
heavy wood framing. Because heat passes readily through
brickorconcrete,itcaneasilypassthroughtothewood.As
aresult,suchreplacehearthscanbearehazardandare
consideredacombustibleoor.
For all replace installations, follow the oor protection
guidelinesdescribedabove,includingtheneedforabottom
shield.Keepinmindthatmanyraisedhearthswillextend
less than the required clearance from the front of the heater.
Insuchcases,sucientoorprotectionasdescribedabove
must be added in front of the hearth to satisfy the minimum
oorprotectorrequirementfromthefrontofthestove:16"
(410mm)intheUnitedStatesand18"(460mm)inCanada.
Hearthrugsdonotsatisfytherequirementforoorprotection
astheyarenotreproof.
Fireplace installations also have special clearance
requirements to the side walls, side decorative trim and
replacemantel.Refertotheinformationonreplaceand
mantel trim shields in this section.
Keep the Stove a Safe Distance From Surrounding
Materials
Both a stove and its chimney connector radiate heat in all
directionswhenoperating,andnearbycombustiblematerials
can overheat dangerously if they are too close to the heat
source. A safe installation requires that adequate clearance
be maintained between the hot stove and its connector and
nearby combustibles.
Clearance is the distance between either your stove or
chimneyconnector,andnearbywalls,oors,theceiling,and
anyotherxedcombustiblesurface.TheEncore
®
hasspecic
clearance requirements that have been established after
careful research and testing. These clearance requirements
must be strictly observed.
Inaddition,keepfurnishingsandothercombustiblematerials
away from the stove. In general, a distance of 48" (1219
mm)mustbemaintainedbetweenthestoveandmovable
combustible items such as drying clothes, furniture,
newspapers,rewood,etc.Keepingthoseclearanceareas
empty assures that nearby surfaces and objects will not
overheat.
Safe Ways to Reduce Clearances
Clearance requirements are established to meet every
installationpossibility,andtheyinvolvethecombinationof
these variables:
• When the stove pipe has no listed heat shield mounted
on it.
• When the wall has no heat shield mounted on it.
• When the wall has a heat shield mounted on it.
• When the wall and stove pipe have heat shields.
Ingeneral,thegreatestclearanceisrequiredwhenyouplace
a stove and its connector near a wall with no heat shield.
Forexample,whentheEncore
®
is installed using 6" connector
pipe parallel to the rear wall and no connector shield is
used,itmustbeatleast15"(381mm)fromthewallbehind
itandatleast19"(483mm)fromwallsoneitherside.These
dimensions are measured from the back of the rear shroud
and the side edge of the cast iron top to the combustible wall.
IftheEncore
®
isinstalledinacornerandnoshieldisused,
thecornersofthestovetopmustbeatleast18-1/2"(470
mm)fromnearbywalls.
Clearancesmaybereducedonlybymeansapprovedbythe
regulatoryauthority,andinaccordancewiththeclearances
listed in this manual. Refer to the clearance chart for approved
clearancereductionspecications.
NOTE: Installation of the Encore
®
is not permitted in
alcoves.
12
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Noncombustible shields
installed 1" (25 mm) away from
the combustible surface on
noncombustible spacers, called
ventilated shields, may be used
to reduce clearances.
To protect a mantel from the
heat of a stove in a fireplace
installation, use a custom-made
ventilated mantel shield that is
at least 48" (1220 mm) long,
centeredoverthestove.(Figure
13) Ventilated shields for side
trim must extend the full length
of the trim.
Anunprotectedmantel(“A,”Figure14)cannotbemorethan
9"(230mm)deepandmusthaveaminimumclearanceof
28"(711mm),measuredfromthestove’stopplate.Witha
ventilatedshield,thisclearancemay bereducedsafelyto
15"(381mm).
Unprotectedtoptrim(B)protruding3/4"(19mm)orlessfrom
thefaceofthereplacemustbeaminimumof25"(635mm)
fromthestove’stopsurface.Withaventilatedtrimshield,
this clearance may not be reduced safely.
Unprotectedsidetrim(C)thatprotrudes3/4"(19mm)orless
fromthefaceofareplacemusthaveaminimumclearance
of22"(554mm),measuredfromthestove’stopsideedge.
Ifthetrimextendsmorethan3/4"(19mm),itissubjectto
the requirements for wall clearance.
The charts and sample installations that follow list all the
clearancesrequiredforthevariousinstallationcongurations
of the Encore
®
.
ST248
wall shield construction
12/14/99 djt
Stud Wall
Framing
Wall Shield
Noncombustible
Spacers and
Fasteners
Drywall
Air Flow
Air Flow
Screen
Shield
Metal
Spacer
Figure 12-Approvedwallshieldconstruction.
1" (25mm)
1/4" (6mm)
ST501
mantel and
trim shield
11/10/00 djt
Figure 13 -A custom-
formed mantel shield.
Fireplace and Mantel Trim Clearances
Unprotected Protected
A Mantel Trim 28"(711mm) 15"(281mm)
B Top Trim 25"(635mm) 15"(281mm)
C Side Trim 22"(554mm) 11"(280mm)
D Side Wall 22"(559mm) 11"(280mm)
Figure 14-Maintainclearancestocombustiblecomponentsofthe
mantel piece.
ST253b
Encore
trim clearances
02/01 djt
C
C
A
B
D
Side
Wall
Theshieldmustbeaminimumof48"(1219mm)tall,and
mustextendatleast19"(483mm)higherthanthetopofthe
stove,whicheverishigher.Theshieldbehindthechimney
connectormustbe30"(760mm)wide,centeredbehindthe
pipe; for installations that use an approved prefabricated
chimneytopassthroughtheceiling,theshieldbehindthe
chimneyconnectormuststop1"(25mm)belowtheceiling.
With8"connectionsandchimneys,becauseofpotentially
higher pipe temperatures, the shield must extend the full
height ofthe wall (upto 9’ (2.7 m))and stop 1" (25 mm)
below the ceiling.
Fireplace and Mantel Trim Shields
Areplaceinstallationrequiresspecialclearancebetween
thesideofthestoveandtherightandleftwalls,betweenthe
sideofthestoveandthedecorativesidetrimonthereplace
face,andbetweenthetopofthestoveandthemantel.
Wall Shields
One way to reduce clearances is with a wall shield
constructedof24gaugeorheaviersheetmetal,orofanother
noncombustible material such as 1/2" (13 mm) insulation
board such as Durock
®
or Wonderboard
®
,orcommonbrick
“laidonat,”withthe3-1/2"(90mm)sidedown.
Shields must be spaced out from the combustible surface 1"
(25mm)onnoncombustiblespacers,asinFigure12.The
spacers should not be directly behind the stove or chimney
connector.
Airmustbeabletoowbetweenthewallandtheshield.At
least50%ofthebottom1"(25mm)oftheshieldmustbe
open,andtheshieldmustbeopenatthetop.Metalscreening
across the top will keep small stray objects from being trapped
behindtheshield.(Figure12)
13
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Clearance to Combustibles
Forusewitheither6”or8”uecollar/chimneyconnection
Theprovidedrearshroudmustbeusedinallinstallations.Theuecollarheatshieldmustbeusedinallverticalinstallations.
1. Aceilingheatshield24"(610mm)indiameterandsuspended1"(25mm)fromtheceilingmustsurroundthepipein
installations where chimney penetrates the ceiling.
2. Theconnectorpipeheatshieldmustextend36"(914mm)aboveuecollar.
3. Usinglisteddoublewallovaltoroundadapterwheninstallingoptional8"ovaluecollar.
4. Aminimumof58”(147cm)fromthetopofthestovetotheceiling,isrequiredforallinstallationsoftheEncore®
Unprotected Surfaces Protected Surfaces
Stove Clearance
Stove Installed
Parallel to Wall
Stove
In Corner
Stove Installed
Parallel to Wall
Stove
in Corner
1
Side
To Rear
Shroud Corners Side
To Rear
Shroud Corners
TopExit,8”single
wall connector without
shields,verticalue
collar heat shield
installed
(A)19"
(483mm)
(B)20"
(508mm)
(C)18-1/2"
(470mm)
(D)5"
(127mm)
(E)7"
(178mm)
(F)12"
(305mm)
Top Exit,single-wall
chimney connector heat
shield
2
,verticalue
collar h.s. installed
(G)19"
(483mm)
(H)10"
(254mm)
(I)18-1/2"
(470mm)
(J)6"
(152mm)
(K)6"
(152mm)
(L)12"
(305mm)
Rear Exit
Nouecollarheat
shield
(M)22"
(559mm)
(N)12"
(305mm)
N/A
(P)11"
(279mm)
(Q)12"
(305mm)
N/A
Top Exit,double-wall
chimney connector
3
,
verticaluecollarheat
shield installed
(G)18"
(457mm)
(H)7"
(178mm)
(I)12"
(305mm)
(J)4"
(102mm)
(K)5"
(127mm)
(L)5"
(127mm)
Clearance to Combustibles in Front of Stove
AllInstallations(S)48"(1219mm)
6" Chimney Connector ONLY
Top Exit,singlewall6"connector
withoutshields,verticaluecollar
heat shield installed
(A)19"
(483mm)
(B)15"
(381mm)
(C)18-1/2"
(470mm)
(D)5"
(127mm)
(E)7"
(178mm)
(F)12"
(305mm)
14
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Unprotected Surfaces Protected Surfaces
Stove Installed
Parallel to Wall Stove in Corner
Stove Installed
Parallel to Wall
Stove Installed
Parallel to Wall
Top Exit Installations,NoStoveHeatShields,collarheatshieldinstalled.
D
E
F
F
C
C
A
B
J
K
L
L
I
I
G
H
ST628
Encore Clearance
Diagrams
02/01
P
Q
M
N
N/A
N/A
Top Exit Installations,verticalcollarheatshield,andchimneyconnectorheatshieldsordouble-wallconnector.
Rear Exit Installations.
Forusewitheither6"or8"uecollar/chimneyconnector
15
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Distance from the Center of the Flue Collar to the Wall in Top-Exit Installations
Theinformationonthispageishelpfulinplanningstoveplacementfortop-exitinginstallations,particularlythoseinstallations
withchimneysthatpassthroughtheceiling.However,thisisnotaclearancechart.Finalstoveclearancesmustadhereto
the guidelines stated in the clearance chart on Page 13.
Dimensionsindicatedarevalidforinstallationswitheither6"or8"uecollars.
Encore
®
: WITH Chimney Connector Heat Shields
Unprotected Surfaces Protected Surfaces
Parallel Installations
Corner
Installations** Parallel Installations
Corner
Installations**
Side(A) Rear(B) Corner(C) Side(D) Rear(E) Corner(F)
32-1/2"
(826mm)
13-1/4"
(337mm)
22-1/2"
(572mm)
19-1/2"
(495mm)
9-1/4"
(235mm)
18-1/2"
(470mm)
**Tolocatecenterofuecollarforcornerinstallation,add6-1/2"(165mm)totheclearancedistancefromstovecornertowall.Mark
otheresultingdistancefromthecorneralongbothwalls.Next,measurethesamedistancefromthesetwopointsoutfromthewalls.
Theselasttwomeasurementswillmeetatapointrepresentingthecenteroftheuecollar.Refertothediagramsabove.
ST632a
Encore
flue centerline
Diagrams
02/01
A
B
C
E
F
D
Encore
®
: WITHOUT Chimney Connector Heat Shields
Unprotected Surfaces Protected Surfaces
Parallel Installations
Corner
Installations**
Parallel Installations
Corner
Installations**
Side(A) Rear(B) Corner(C) Side(D) Rear(E) Corner(F)
32-1/2"
(826mm)
23-1/4"
(691mm)
22-1/2"
(572mm)
18-1/2"
(470mm)
10-1/4"
(260mm)
18-1/2"
(470mm)
*Thisdistance,fromthecenteroftheuecollartothefrontedgeofthehearth,isthesameforallinstallationsonthispage:35-1/4"
intheUnitedStatesand37-1/4"(946mm)inCanada.
ST632
Encore
flue centerline
Diagrams
2/01
A
B
C
*
E
F
*
D
16
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
48"
(1220 mm)
ST498
Defiant
Wall shield B
11/00
Figure 16- Parallel installation with rear wall pass-through, two
wall shields. Reduced clearances to both rear and side walls. Wall
shields may meet at corner if desired. Wall pass-through must
comply with codes.
Referto“SpecialInstallations.”
48"
(1220 mm)
ST497
Defiant
wall shield A
11/00
48"
(1220 mm)
Figure 15- Parallel installation, vertical chimney connector, two
wall shields. Reduced clearances for both rear and side walls. Wall
shields may meet at corner if desired. Shielding for connector is
centered behind connector.
48"
(1220 mm)
48"
(1220 mm)
ST499
Defiant
Wall Shield C
11/00
Figure 17-Cornerinstallation,verticalchimneyconnector,twowall
shields. Reduced side clearances. Wall shield MUST meet at corner.
17
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Mobile Home Installation
1. An outside air inlet must be provided for combustion and
must remain clear of leaves, debris, ice and/or snow.
Itmustbeunrestrictedwhilestoveis inusetoprevent
room air starvation which can cause smoke spillage and
aninability to maintaina re. Smokespillage can also
setosmokealarms.
2. The appliance must be secured to the mobile home
structurebyboltingittotheoor.
3. Stove must be grounded with #8 solid copper grounding
wire or equivalent and terminated at each end with
N.E.C.approvedgroundingdevice.
4. Stove must be installed with an approved UL103 HT
ventilated chimney connector, UL103 HT chimney and
terminal cap with spark arrestor. Never use a single wall
connector(stovepipe)inamobilehomeinstallation.Use
onlydouble-wallconnectorpipe,Dura-VentDVL,Selkirk
metalbestos DS,Security DL double wall connector or
any listed double wall pipe connector.
5. Refer to the clearance charts in this manual or the serial
number label on the back of the stove for clearances to
combustibles.
6. Floor protection requirements must be followed precisely.
Refer to the "Floor Protection" section in this manual.
7. InCanada,thisappliancemustbeconnectedtoa6inch
(152mm)factory-builtchimneyconformingtoCAN/ULC
629M,STANDARDFORFACTORYBUILTCHIMNEYS.
Refer to the "Floor Protection" section in this manual.
8. Use silicone to create an eective vapor barrier at
the location where the chimney or other component
penetratestotheexteriorofthestructure.
9. Follow the chimney and chimney connector
manufacturer’s instructions when installing the ue
system for use in a mobile home.
NOTE: Osets from the vertical, not exceeding 45°, are
allowedperSection905(a)oftheUniformMechanicalCode
(UMC).Osetsgreaterthan45°areconsideredhorizontal
andarealsoallowed,providingthehorizontalrundoesnot
exceed75%oftheverticalheightofthevent.Construction,
clearance and termination must be in compliance with the
UMCTable9C.This installationalso complieswith NFPA
211.
NOTE: Top sections of the chimney must be removable to
allowmaximumclearanceof13.5ft.(411cm)fromground
level for transportation purposes.
10. Burn wood only. Other types of fuels may generate
poisonousgases(e.g.carbonmonoxide).
11. Ifunitburnspoorlywhileexhaustblowerisoninhome,
(i.e.kitchenrangehood)increasecombustionair.
ST1190
mobile home install
Spark
ArrestorCap
Roof
Flashing
StormCollar
JointShield/
Firestop
ListedChimney
Connector
Floor
Protection
OutsideAir
KitConnector
OutsideAirFloorVent
Figure 18-Mobilehomeinstallation.
DO NOT INSTALL IN SLEEPING ROOM
WARNING
!
CAUTION
!
THE STRUCTURAL INTEGRITY OF THE MOBILE
HOME FLOOR, WALL AND CEILING/ROOF MUST BE
MAINTAINED. (i.e., DO NOT CUT THROUGH FLOOR
JOIST, WALL STUD, CEILING TRUSS, etc.).
NEVER DRAW COMBUSTIBLE AIR FROM A
WALL, FLOOR OR CEILING CAVITY OR FORM
ANY ENCLOSED SPACE SUCH AS AN ATTIC OR
GARAGE.
WARNING
!
18
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Assembly
ST564
handle holder
12/13/00
BottomHeatShield
DoorHandleHolder
Leg Bolt and Washer
Figure 21-Handleholderandheatshieldpositions.
ST857
abottom heat shield
12/05
1/10
Figure 22-Attachthebottomheatshield.
BottomHeatShield
ST516
Attach
griddle handle
11/17/00 djt
Figure 20-Attachthegriddlehandle.
Install the Bottom Heat Shield
NOTE: TheBottomHeatShieldisrequiredinmostinstallations.
RefertoFloorProtection,Page9,forfurtherdetails.
1. Install(4)1/4-20x3/8"hexboltssuppliedinthemanual
bagintothefourholeslocatedunderthestove(Figure
22).
2. Alignthebottomheatshieldkeyholestothefourhexbolts
previouslyinstalledintobase.(Figure22).Theoutsideair
cutout hole should be toward the rear of the stove.
3. Attach the heat shield sides by passing the slots over the
boltheads.Tightenthehexheadbolts.Figure22.
Storing the Handle
Use the removable handle to open or close the doors. After
usingit,removethehandlesoitwillnotgethot.Storethe
handle in the handle holder installed behind the right front
leg.(Figure21)
CAUTION
!
Overtighteningcanstriptappedthreads.
Figure 19-Removeunitfromshippingbrackets.
Removetheunitfromtheshippingbracketsbyremoving(2)
1/4-20hexheadboltsfromeachshippingbracket,leaving
bracketsattachedtotheskid.Figure19.(Savethe1/4-20hex
headboltsastheywillbeneededlatertoinstallheatshield.)
NOTE:Whenmovingthestove,liftthestovetotakeweight
othelegswheneverpossible.Draggingorslidingthestove,
especially across rough surfaces can cause the legs to loosen
or even break.
Set Up Your Stove
Castironstovesareheavy,anditwilltaketwotofourpeople
to move your Encore
®
into position.
Wipe the protective coating of oil from the griddle with a clean
dry rag or a paper towel.
Install the handle on the griddle. First, place the griddle
upside down at the edge
of a flat surface and
assemble the handle.
Figure 20.
With the handle pointing
45°fromitsnalposition,
tighten the nut as far as
possible with the pliers.
Move the handle to its
nal position while still
holding the nut with the
pliers.
1/4-20 Bolt
19
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
ST540
Assembly
handle
11/00
Figure 26-Assemblethefrontdoorhandle.
ST635
Encore
Install thermostat
handle
2/01
Figure 25-Attachthethermostathandle.
ST1180
flue collar heat shield
Sheet Metal
Screws
Sheet
Metal
Screws
FlueCollar
HeatShield
Figure 23-Installuecollarheatshield.
Attach the Damper Handle
Usethe1/4"-20x3"screwtoattachthedamperhandleto
the damper stub on the left side.
Attach the Catalyst Temperature Probe
Toinstallthecatalysttemperatureprobe,removethehole
plug from the cast iron wall behind the rear shield as shown
(Figure 24) use two #10 sheet metal screws and bracket
supplied,securethebracketandprobetothebackofyour
stove.(Figure24)
Assemble the Removable Insert Handle
The wooden removable insert handle opens and closes the
frontdoors.Removeaftereachuse,andstoreitinthehandle
holder behind the right front leg. Assemble the handle by
passingthe3-3/8"screwthroughthewoodenshaftandinto
thebrightmetalnub.(Figure26)Tightencarefullyuntilsnug.
Attach the Primary Air Thermostat Handle
The primary air thermostat handle is the smaller of the two
black handles. Secure the handle to the stub on the right
sideofthestovewithan8-32x2"slotheadmachinescrew.
(Figure25)
WARNING
!
Theuecollarheatshieldmustbeinstalledinallvertical
installations.Theuecollarheatshieldisnotusedwhen
theuecollarisintherearexitposition.
Adjust the Leg Levelers
Lift the stove slightly so there is no weight on the leg while
making the adjustment.
Reverse the Flue Collar (If necessary)
Reversetheuecollarbyremovingthetwoscrewsthatattach
it to the back of the stove. Be sure the gasket around the
uecollaropeningisinpositionwhenyouscrewthecollar
back onto the stove.
Figure 24-InstalltheCatalystTemperatureProbe
1.4"
1.8"
Bracket mounting screw hole location
Fold bracket strap over
catalyst probe shaft
and secure with screw.
Insertcatalystprobe
through sheetmetal and
castironbackandtwist&
pushthroughberpanel.
Remove hold plug
from cast iron back.
Insertcatalystprobebracket
withself-drillingscrew.
20
3-90-30005295Vermont Castings • Encore® Flexburn Installation Manual_R48 • 09/19
Fan Kit Installation
1. Attach the fan assembly at the bottom edge of the inner
backwithtwo(2)1/4-20x3/4"hexheadscrews.
2. Attach snapstat to the mounting holes on the underside
ofthebottomwithtwo(2)1/4-20panheadscrews.
3. Attach the rheostat holder (provided with the stove)
under the right front wing of the bottom heat shield with
two(2)#10sheetmetalscrews.
4. Attach the rheostat to its holder by inserting the rheostat
controlshaftthroughtheholderhole.Installtheretaining
ring and rheostat knob onto the shaft.
5. Secure the rheostat cable to the underside of the bottom
heat shield using the wire tie provided and the hole at the
right rear edge of the heat shield.
6. Fan will not operate until stove reachesapproximately
109°F.
7. Plug blower cord into a grounded outlet. Do not remove
ground prong from plug. Route power cord to avoid heat
from the stove or other damage. Do not route cord under
or in front of appliance.
Figure 27-Faninstallation(Kit#2767).
Rheostat
Knob
Rheostat
Snapstat
Screws
HoleforWire
Tie to Secure
Cable
Rheostat
Holder
Installing or Removing Catalyst
1. Remove the access cover by gently lifting up and pulling
outfromthebottomedge.(Figure28)
2. Removetheinnercoverbypullingitstraightout.(Figure
29)
3. Remove the catalyst by gently pulling it straight out.
(Figure 30) Place the catalyst where the catalyst’s
ceramic components will not be damaged.
ST1187
remove access cover
Access
Cover
Figure 28-Removeaccesscover.
ST1188
remove inner cover
InnerCover
Figure 29-Removeinnercover.
ST1189
remove catalyst
RemoveCatalyst
Figure 30-Removecatalyst.
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