Majestic Ashland Wood-Burning Fireplace Installation guide

Majestic
Brand
Majestic
Model
Ashland Wood-Burning Fireplace
Category
Fireplaces
Type
Installation guide
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 1
WOODBURNING FIREPLACE
Model(s):
Installation Manual
Installation and Fireplace Setup
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
replace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other ammable
materials.
• Keep clothing, furniture, draperies and other ammable
materials away.
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
ASH36
NOTICE: DO NOT discard this manual!
• DO NOTstoreorusegasolineorotheram-
mablevaporsandliquidsinthevicinityofthis
or any other appliance.
• DO NOT overre.Overringwillvoid your
warranty.
• Comply with all minimum clearances to com-
bustiblesasspecied.Failuretocomplymay
causehousere.
WARNING: If the information in these
instructions is not followed exactly, a re
or explosion may result causing property
damage, personal injury, or death.
This replace uses SL1100 Series Chimney
2” CLEARANCE TO COMBUSTIBLES AND BUILDING INSULATION FROM CHIMNEY REQUIRED.
Fire Risk.
WARNING
For use with solid wood fuel only.
Other fuels may overre and generate poisonous
gases (i.e. carbon monoxide).
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recomends HHT
Factory Trained or NFI certified professionals.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/232
Safety Alert Key:
• DANGER! Indicatesahazardoussituationwhich,ifnotavoidedwill result in death or serious injury.
• WARNING!Indicatesahazardoussituationwhich,ifnotavoidedcould result in death or serious injury.
• CAUTION! Indicatesahazardoussituationwhich,ifnotavoided,couldresultinminorormoderateinjury.
• NOTICE:Indicatespracticeswhichmaycausedamagetothereplaceortoproperty.
Table of Contents
1 Product Specic & Important Safety Information
A.FireplaceCertication 4
B.Non-CombustibleMaterials 4
C.CombustibleMaterials 4
2 Getting Started
A. Typical Fireplace System 5
B. Design and Installation Considerations 6
1. Selecting Fireplace Locations 6
2. Locating Fireplace & Chimney 7
C. Tools and Supplies Needed 8
D. Inspect Fireplace and Components 8
E.FireplaceSystemRequirements 8
3 Framing and Clearances
A. Appliance Dimensions/Weight 9
B. Clearances 10
MinimumClearancestoCombustibles 10
C. Construct the Chase 11
D. Frame the Fireplace 12
E.SecureandLeveltheFireplace 13
F. ProtectiveMetalHearthStrips 14
G.OutsideAirKit 15
4 Chimney and Termination Requirements
A.ChimneyRequirements 16
B.Offsets/Returns 17
C.TerminationRequirements 18
5 Chimney Installation
A. Typical Chimney System 19
B.AssembleChimneySections 20
C. Install Chimney Air Kit 20
D.SecureOffset/Return 21
E. Install Ceiling Firestops 21
F. Install Attic Insulation Shield 22
G.RoofPenetration 23
H.InstallChase/ChaseTop 23
I. TerminationCapRequirements 24
J. InstallTerminationCap 24
6 Shrouds
A. Radiation Shield 26
B. Field Constructed Shrouds 26
1.OpenTopShroud 26
2.MailboxStyleShroud 27
3.RoofedStyleShroud 27
7 Finishing
A.FinishingMaterial 28
B.HearthExtension,BuildingandFinishing 30
1. Fireplace Installed Flush on the Floor and
 HearthExtensionRaisedtoBottomofFirebox
 Opening 31
2.RaisedHearthExtensionandRaisedFireplace 32
3.FireplaceOpeningandHearthExtensionFlush
 withtheFloor 33
C.Non-CombustibleSealantMaterial 33
D.MantelandWallProjections 33
E.Sidewalls/Surrounds 34
8 Fireplace Setup
A.InstallHearthMoldedBrickPanel 35
B.InstallBackMoldedBrickPanel 35
C.InstallSideMoldedBrickPanel 35
D.InstallScreens 36
E.InstallMortar(Optional) 36
F. Grate 36
G.GasLog/LighterProvision 37
H.WoodBurningInserts 37
9 Reference Materials
A.ChimneyComponents 38
B.OptionalComponents 42
►
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 3
Customer:
Lot/Address
Model (circle one): ASH36
Fireplace Install YES IF NO, WHY?
Protective hearth strips installed per manual requirements. (Pg. 14)
Outside air kit installed. (Pg 15)
Chimne
y
Section 4 & 5 (Pg. 16)
Attic insulation shield installed.
Shrouds Section 6 (Pg. 26)
Shroud is installed properly per instructions.
Finishing Section 7 (Pg. 28)
WARNING! Risk of Fire or Explosion! Failure to install fireplace acording to these instructions can lead to a fire or
explosion.
Verified that the chase is insulated and sealed. (Pg. 11)
Verified clearances to combustibles. (Pg. 10)
Fireplace is leveled and secured. (Pg. 13)
Hearth extension size/height decided. (Pg. 30)
Chimney configuration complies with diagrams.
Chimney installed, locked and secured in place with proper clearance.
Chimney air kit installed.
Firestops installed.
ATTENTION INSTALLER:
Follow this Standard Work Checklist
This standard work checklist is to be used by the installer in conjuction with, not instead of, the instructions contained in this installation
manual.
Date Installed:
Location of Fireplace:
Installer:
Dealer/Distributor Phone #
Serial #:
Roof flashing installed.
Terminations installed.
Combustible materials not installed in non
-
combustible areas
Hearth extension installed per manual requirements.
Fireplace Setup Section 8 (Pg. 35)
Hearth & Home Technologies recommends the following:
Comments communicated to party responsible
4059-911 • Rev A • 4-9-18
Verified all clearances meet installation manual requirements.
Mantels and wall projections comply with installation manual requirements.
All packaging and protective materials removed.
Optional doors properly installed.
Molded brick panels installed correctly.
Grate is properly installed.
Firescreen installed properly.
__________________________ by ______________________on _________
(Builder/Gen. Contractor) (Installer) (Date)
Comments: Further description of the issues, who is responsible (Installer/Builder/Other Trades, etc.) and corrective action needed:
Manual bag and all of its contents are removed from the fireplace and given to the party
responsible for use and operation.
• That this checklist remain visible at all times on the fireplace until the installation is complete.
• Photographing the installation and copying this checklist for your file.
Combustible materials not installed in non
-
combustible areas
.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/234
WARNING! Risk of Fire! Hearth & Home Technologies
disclaims any responsibility for, and the warranty and
agency listing will be voided by the following actions.
DO NOT:
• installoroperatedamagedreplace
• modifyreplace
• install other than as instructed by Hearth & Home
Technologies
• operate the fireplace without fully assembling all
components
• overre
• install any component not approved by Hearth & Home
Technologies
• install parts or components not Listed or approved
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualied
installer, service agency or your dealer.
B. Non-Combustible Materials
• Materialswhichwill not ignite and burn, composedof
anycombinationofthefollowing:
- Steel - Iron
- Brick - Tile
- Concrete - Slate
- Glass - Plasters
• MaterialsreportedaspassingASTM E 136, Standard
Test Method for Behavior of Metals, in a Vertical Tube
Furnace at 750° C
C. Combustible Materials
• Materialsmadeoforsurfacedwithanyofthefollowing
materials:
- Wood - Compressed paper
- Plantbers - Plastic
- Plywood/OSB - Sheetrock(drywall)
• Anymaterialthatcanigniteandburn;ameproofedor
not, plastered or un-plastered
1 1 Product Specic & Important Safety Information
A. Fireplace Certication
WARNING: This product and the fuels
used to operate this product (wood and
wood pellets), and the products of com-
bustion 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
known to the State of California to cause
birth defects or other reproductive harm.
For more information go to: www.P65Warn-
ings.ca.gov.
Thisreplacesystemhasbeentestedandlistedinaccor-
dancewithUL127StandardsbyUnderwritersLaborato-
ries Inc. for installation and operation in the United States.
Thisreplacemaybeinstalledinsleepingrooms.This
replaceisnotapprovedformanufacturedhousing.Ifin-
stalledwithagaslogset,provisionsfortheNationalFuel
GasCodemustbemet.
Thisreplacehasbeentestedandlistedforusewiththe
optionalcomponentsspeciedinthismanual.Theseop-
tionalcomponentsmaybepurchasedseparatelyandin-
stalledatalaterdate.Installationofanoutsideairkitwill
requiresignicantreconstructionandisbestifinstalledat
thetimeofreplaceinstallation.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 5
2 2 Getting Started
A. Typical Fireplace System
Figure 2.1 Typical Fireplace System
Non-combustible
roof flashing maintains
minimum clearance
around chimney
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Ceiling firestop
on floor of attic
Support straps
on rafter supports
chimney (not shown)
Termination cap
Chimney penetrates roof
preferably without affecting
roof rafters
Offset/Return (with hanger straps)
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
Protective metal
hearth strip(s)
Combustible
framing/header
on top of
V-shaped
standoffs
(spacers)
Chimney system
Attic insulation shield must
be used here to keep insulation away
from chimney if attic is insulated
Storm Collar
Outside Air
(both sides)
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/236
A*
F
D
BC
1/2 in. (13 mm) all
configurations
1-1/2 in. min. air space
from fireplace to
combustible materials.
1/2 in. min. air space at
nailing flanges.
Note:
In an exterior chase
or projecting into a
garage
Across a
corner
As a
room
divider Along a wall
78 in.
(1981 mm)
G
B
E
48 in.
(1219 mm)
MINIMUM
24 in. (610 mm)
from fireplace opening to
any perpendicular wall
A
B
G
G
B
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Model # A B C D E F G
in. 72 47 7/8 89 1/8 44 5/8 20 3/8 63 1/8 28 1/2
mm 1829 1216 2264 1133 518 1603 724
ASH36
* 12 in. (305 mm) extra space
included for each outside air
connection. If outside air duct
has no bend, this dimension
may be reduced as long as
minimum clearances are met.
Figure 2.2 Fireplace Locations
NOTICE:
• Illustrationsandphotosreecttypicalinstallationsand
are FOR DESIGN PURPOSES ONLY.
• Illustrations/diagrams are not drawn to scale.
• Actual installation/appearance may vary due to individual
design preference.
• Hearth & Home Technologies reserves the right to alter
its products.
NOTICE: In addition to these framing dimensions, also
reference the following section:
• Clearances (Section 3).
NOTICE:
A minimum 1-1/2 in. air clearance at the back and
a minimum 1-1/2 in. air clearance to the sides of
thereplaceassemblymustbemaintained.
Chimney sections at any level require a 2 in.
minimum air space clearance between the
framing and chimney sections.
B. Design and Installation Considerations
NOTICE: Check building codes prior to installation.
• InstallationMUSTcomplywithlocal,regional,stateand
national codes and regulations.
• Consultinsurancecarrier,localbuildinginspector,re
ofcialsorauthoritieshavingjurisdictionoverrestrictions,
installation inspection and permits.
• Before installing,determinethefollowing:
- Wherethereplaceistobeinstalled.
- Theventsystemcongurationtobeused.
- Gas supply piping.
- Electrical wiring.
- Framingandnishingdetails.
- Whetheroptionalaccessories -devicessuchasa
fan, wall switch or remote control - are desired.
1. Selecting Fireplace Locations
Thisreplacemaybeusedasaroomdivider,installed
alongawall,acrossacornerorusedinanexteriorchase.
See Figure 2.2.
Locatingthereplaceinabasementshouldbeavoided.
Locatingnearfrequentlyopeneddoors,centralheat
outletsorreturns,orotherlocationsofconsiderableair
movementcanaffecttheperformance.
Considerationshouldbegiventothesefactorsbefore
deciding on a location.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 7
2. Locating Fireplace & Chimney
Locationofthereplaceandchimneywillaffectperfor-
mance.
• Installwithinthewarmairspaceenclosedbythebuilding
envelope.Thishelpstoproducemoredraft,especially
duringlightinganddie-downofthere.
• Installingthereplaceinabasementisnotrecommended.
• Penetrate the highest part of the roof. This minimizes
the effects of wind loading.
• Locate termination cap away from trees, adjacent
structures,unevenrooflinesandotherobstructions.
• Minimizetheuseofchimneyoffsets.
• Considerthereplacelocationrelativetooorandceiling
and attic joists.
• Takeintoconsiderationtheterminationrequirementsin
Section 5.
Marginal Location:
• Below peak
Location NOT recommended:
• Not the highest point of the roof
• Wind loading possible
Multi-level Roofs
Windward
Leeward
Recommended Location:
• Above peak
Recommended:
• Insulated exterior chase
in cooler climates
Recommended Location:
• Above peak
• Inside heated space
Location NOT recommended:
• Too close to tree
• Below adjacent structure
• Lower roof line
• Avoid outside wall
Marginal Location:
• Wind loading possible
Not recommended in basement due
to high negative pressure concerns
that effect draft
Figure 2.3 Recommended Chimney Locations
• Installtheoutsideairkitwiththeintakefacingprevailing
winds during the heating season.
• Ensure adequate outdoor air for all combustion
appliancesandexhaustequipment.
• Ensurefurnaceandairconditioningreturnventsarenot
locatedintheimmediatevicinityofthereplace.
• Avoidinstallingthereplaceneardoors,walkwaysor
small isolated spaces.
• Recessedlightingshouldbea“sealedcan”design.
• Attic hatches weather stripped or sealed.
• Atticmountedductworkandairhandlerjointsandseams
taped or sealed.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/238
C. Tools and Supplies Needed
Beforebeginningtheinstallationbesurethefollowing
toolsandbuildingsuppliesareavailable:
Reciprocating saw Framing material
Pliers Non-combustiblesealant
Hammer Gloves
Phillipsscrewdriver Framingsquare
Flatbladescrewdriver Electricdrillandbits
Plumbline Safetyglasses
Level Tapemeasure
1/2-3/4in.length,#6or#8self-drillingscrews
Misc.screwsandnails
D. Inspect Fireplace and Components
WARNING! Risk of Fire and/or Explosion! Damaged
parts could impair safe operation. DO NOT install dam-
aged,incompleteorsubstitutecomponents.Keepre-
place dry.
• Removereplaceandcomponentsfrompackagingand
inspect for damage.
• Vent system components and doors are shipped in
separatepackages.
• Report to your dealer any parts damaged in shipment.
• Read all the instructions before starting the
installation. Follow these instructions carefully
during the installation to ensure maximum safety
and benet.
E. Fireplace System Requirements
TheHeatilatorreplacesystemrequirementsconsistof
thefollowing:
• Fireplace
- Molded brick panels (hearth panel Included with
replace,sideandbackpanelssoldseparately)
- Firescreen(includedwithreplace)
- HearthExtension(soldseparately)
- Grate(includedwithreplace)
• OutsideAirSystem
- AirInletHoodx2(includedwithreplace)
- Flex(required,soldseparately
• Chimney System
- Atticinsulationshield(includedwithreplace)
- Chimneyterminationcap(soldseparately)
• Non-combustiblenishmaterial
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 9
74 1/8 in.
(1883 mm)
3 3/4 in.
(95 mm)
70 3/4 in.
(1797 mm)
67 3/8 in.
(1711 mm)
61 7/8 in.
(1572 mm)
54 in.
(1372 mm)
38 in.
(965 mm)
5 1/2 in.
(140 mm)
5 in.
(129 mm)
16 1/8 in.
(408 mm)
6 7/8 in.
(175 mm)
11 1/8 in.
(282 mm)
Gas Line
Knockout
11 in.
(281 mm) diameter
11 in.
(281 mm)
27 1/2 in.
(699 mm)
15 1/2 in.
(394 mm)
31 1/8 in.
(790 mm)
74 ° TYP.
5 in.
(129 mm)
16 1/8 in.
(408 mm)
11 1/8 in.
(282 mm)
6 7/8 in.
(175 mm)
46 7/8 in.
(1191 mm)
36 in.
(914 mm)
Gas Line
Knockout
Outside Air
Outside Air
3 3 Framing and Clearances
A. Appliance Dimensions/Weight
Figure 3.1 Appliance Dimensions
Model Pounds
ASH36 251
Appliance Weight Table
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/2310
(insulation)
Attic
Insulation
Shield
(ceiling)
(roof)
(attic)
(ceiling)
Ceiling Firestop
Offset/Return (secured
with hanger straps)
Storm Collar
Roof Flashing
1-1/2 in. (38 mm) to back &
sides of appliance
(except at nailing flanges
where it is 1/2 in. [13 mm])
Must have 2 in. (51 mm)
minimum clearance
to header
0 in.
to floor
2 in. (51 mm) min.
Shaded areas
represent
2 in. (51 mm) min.
air space clearance
required around pipe
Combustible Object
48 in.
1219 mm
B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances
tocombustiblesasspeciedinFigure3.2.DO NOT pack
required air spaces with insulation or other materials.
Framing or nishing material used on the front of, or in
frontof,thereplacecloserthantheminimumslistedmust
be constructed entirely of non-combustible materials (i.e.,
steel studs, concrete board, etc.). Failure to comply may
causere.
Figure 3.2 Clearances to Combustible Materials
Minimum Clearances to Combustibles
WITHIN ENCLOSURE AREA
Fireplacetobackwall 1-1/2in.(38mm)
Fireplace to sidewall 1-1/2in.(38mm)
Top standoffs to header 0in.(0mm)
Door opening to sidewall 24in.(610mm)
MANTEL
Mantelminimumheight 22in.(559mm)
aboveopening
Maximummanteldepth 12in.(305mm)
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 11
C. Construct the Chase
Achaseisaverticalboxlikestructurebuilttoenclosethe
replaceand/oritsventsystem.Verticalchimneysthat
runontheoutsideofabuildingmustbeinstalledinsidea
chase.
Incoldclimates,Hearth&HomeTechnologiesrecom-
mendsthatthechasebewellinsulatedusingbatttype
insulationbetweenthejoists.
Constructionofthechasemayvarywiththetypeofbuild-
ing.Theseinstructionsarenotsubstitutesfortherequire-
mentsoflocalbuildingcodes.LocalbuildingcodesMUST
bechecked.
Chasesshouldbeconstructedinthemannerofalloutside
wallsofthehometopreventcoldairdraftingproblems.
Thechaseshouldnotbreaktheoutsidebuildingenvelope
inanymanner.Allouterwallsneedtobeinsulated.
Buildingcodesrequirefalseceilingandceilingrestops/
atticshieldsateachoorofthechaseorevery10ft(3048
mm)ofclearspacetocontrolspreadofre.
Walls,ceiling,baseplateandcantileveroorattherst
levelofthechaseshouldbeinsulated(seeFigure3.3.)
Vaporandairinltrationbarriersshouldbeinstalledinthe
chase as per regional codes for the rest of the home. Ad-
ditionally,Hearth&HomeTechnologiesrecommendsthat
theinsidesurfacesbedrywalledandtaped(ortheuseof
anequivalentmethod)formaximumairtightness.
Holesandotheropeningsshouldbecaulkedwithhigh
temperaturecaulkorstuffedwithunfacedberglass
insulation.
Ceiling
Firestop
Metal Chase Top
Round Termination Cap
False Ceiling
Insulation in the
outside walls
of the chase
Attic
Insulation
Shield
Chimney
Ceiling
Firestop
Tabs
False Ceiling
False Ceiling
Insulation
Insulation
Storm Collar
Figure 3.3 Chase Assembly
1 2 3
All outside walls should be insulated.
Figure 3.4 Chase Constructions
1. Fireplaceandchimneyenclosedinanexteriorchase.
2. Chimneyoffsetthroughexteriorwallandenclosedinchase.
3. Chaseconstructedonroof.
• The chase is constructed using framing materials much
thesameasthewallsinyourhome.Avarietyofsiding
materials may be used including brick, stone, veneer
brick,orstandardsidingmaterials.
• In constructing the chase, several factors must be
considered:
- Maintain a 2 in. (51 mm) air space around the
chimney.
- The chase top must be constructed of non-
combustiblematerial.
- Incoldclimates,arestopspacerandatticinsulation
shieldshouldbeinstalledinaninsulatedfalseceiling
at the 8 ft. (2438 mm) level above the replace
assembly.Thisreducesheatlossthroughthechase.
- Incold climates, the wallsof the chase should be
insulatedtothelevelofthefalseceilingasshownin
Figure3.3.Thiswillhelpreduceheatlossfromthe
homearoundthereplace.
WARNING! You must install false ceilings and ceil-
ing restops at each oor of the chase or every 10 ft
(3.05 m) to control spread of re.
WARNING! Risk of Fire! DO NOT sealareabetweenre
stop opening and chimney pipe except where they enter
the attic or leave the warm air envelope of the home (use
600° F sealant).
WARNING! Risk of Fire! You must maintain a minimum
2 in. (51 mm) air space clearance to insulation and oth-
er materials surrounding the chimney system.
• Insulationandothermaterialsmustbermlysecuredto
prevent accidental contact with chimney system.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
makingcontactwithreplaceorchimney.
• Failure to prevent contact between insulation or other
materials and chimney system may cause overheating
andre.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/2312
B
C
A
D
D = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
D
A B * C ** D
in. 47 7/8 28 1/2 74 1/4 12
mm 1216 724 1886 305
Model #
* If interior of chase will be drywalled, add the thickness to this measurement.
** Adjust header height for raised floor under fireplace.
ASH36
Framing must be extended straight up 84 in.
(2134 mm) from the base of the fireplace.
17 in.
(432 mm)
framing 1/2 in.
(13 mm)
Fireplace must be set out
1/2 in. (13 mm) in front of
the face of the framing
material.
D. Frame the Fireplace
NOTICE: Hearth extension design must be determined
beforeinstallationofreplace.
Ifthereplaceisplacedontheoor,themaximumheight
ofanishedraisedhearthis3-3/4”,ifyouwantahigher
raisedhearththereplacemustbeplacedonaplatform.
Figure3.5showsatypicalframing(using2x4lumber)of
thereplace,assumingcombustiblematerialsareused.
Allrequiredclearancestocombustiblesaroundthere-
placemustbeadheredto.SeeFigure3.2.Anyframing
acrossthetopofthereplacemustbeabovethelevelof
thetopstandoffs.(Norecessabovestandoffs.)
The
nishedcavitydepthmustbenolessthan28-1/2in.
(673mm)fromthenishedbackwalltotheoutsideoffront
wallframing.Framingmustextendstraightupalltheway
to the ceiling.
WARNING! Risk of Fire! You must comply with all
minimum air space clearances to combustibles. DO NOT
pack required air spaces with insulation or other materi-
als.
WARNING! Risk of Fire! Comply with all minimum clear-
ancesspecied.
• A minimum 1-1/2 in. (38 mm) air clearance must be
maintained at the back and sides of the replace
assembly.
• Chimney sections at any level require a 2 in. (51 mm)
minimum air space clearance between the framing and
chimney section.
CAUTION! Risk of Cuts/Abrasions. Wear protective gloves
and safety glasses during installation. Sheet metal edges
are sharp.
Figure 3.5 Framing the Fireplace
Note: Before framing up the chase, consider where
andhowthechimneywillrun.Ifthereareobstacles
thatmightbeintheway,itmaybenecessarytomake
thechaselargerthanshowntoallowoffsetstobeused.
Refer to offset chart on page 16.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 13
WARNING! Risk of Fire! Prevent contact with sagging,
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the sides and
backofthereplaceassembly.
E. Secure and Level the Fireplace
Thisreplacemaybeplacedoneitheracombustibleor
noncombustiblecontinuousatsurface.Slidethereplace
intoposition.Besuretoprovidetheminimum1-1/2in.
airclearanceatthesidesand1-1/2in.atthebackofthe
replace.
Thereplaceshouldbepositionedsothefaceofthenon-
combustiblematerialonthereplacewillbeushwiththe
face of the drywall on the walls.
Levelthereplaceandshimasnecessary.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/2314
1 in. (25 mm) overlap
Minimum
Metal strips are placed 2 in. (51 mm)
under the front of the fireplace and must
extend beyond the front and sides of
fireplace opening by 2 in. (51 mm).
Raised Platform
Floor
2 in.
(51 mm)
1 in. (25 mm) min.
overlap
2 in.
(51 mm)
Top piece must overlap
bottom piece
Figure 3.7 Protect the Front of an Elevated Platform
F. Protective Metal Hearth Strips
Figure 3.6 Position the Protective Metal Hearth Strips
• Locatethetwoprotectivemetalhearthstripsmeasuring
approximately26in.x4in.(660mmx102mm)included
withthisreplace.
• Slideeachmetalstrip2in.(51mm)underfrontedgeof
replace.
• Overlapstripsinthemiddleofreplaceopeningby1in.
(25mm)minimum.
• Metal strips must extend beyond the front and sides
of the replace opening by at least 2 in. (51 mm),
Figure3.6).
• Protectthefrontofaplatformelevatedabovethehearth
extensionwithmetalstrips(notincludedwithreplace)
per Figure 3.7. See Section 6 for hearth extension
instructions.
WARNING! Risk of Fire! Protective metal hearth
strips MUST be installed on combustible surfaces. DO
NOT cover metal strips with combustible materials.
Sparksorembersmayigniteooring.
WARNING! Risk of re! High temperatures, sparks,
embers or other burning material falling from the
replacemayigniteooringorconcealedcombustible
surfaces.
• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
specied.
G. Outside Air Kit (Required on both sides)
Outsideairkitsmustbeusedforcombustionandtopro-
vide cooling air to prevent overheating. Hearth & Home
Technologies recommends you utilize the shortest duct run
tooptimizetheperformance of theoutsideairkitand in-
stallaP-Trap(seeFigure3.10).Theoutsideairinlethoods
shouldbepositionedinamannerthatwillnotallowsnow,
leaves,etc.toblocktheinlet.Insomeinstallationstheair
ductmayneedtoberunvertically.Insuchaninstallation,
a3ft(914mm)heightdifferencemustbemaintainedfrom
the top of the uppermost chimney section to the outside air
inlet hoods.
RefertoFigures3.8and3.9whenplacingtheoutsideair
inlet hoods.
Note: Maximumlengthis40feet.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 15
3 ft min. from
top of uppermost
chimney section
to air inlet.
CAUTION! Risk of Cuts/Abrasions. Wear protective
gloves and safety glasses during installation. Sheet metal
edges are sharp.
CAUTION! Risk of Fire or Asphyxiation! DO NOT draw
outsidecombustionairfromwall,oororceilingcavity,or
enclosed spaces such as an attic or garage.
• DO NOT place outside air inlet hood close to exhaust
vents or chimneys. Fumes or odor could be drawn into
theroomthroughthereplace.
• Locate outside air inlet hood to prevent blockage from
leaves, snow/ice, or other debris. Blockages could cause
combustion air starvation and unit to overheat.
Figure 3.9 Outside Air Inlet Locations
Outside air is
required to be
installed on both
sides (right side not
shown)
• Cut a 6-1/2 in. (165 mm) hole in outside wall to
accommodate air piping.
• Use6in.(152mm)ex(notsupplied)todirectlyconnect
outsideairtoreplaceintake.Insulatethepipetoprevent
frost condensation.
• Use the supplied outside air inlet hoods.
• Seal between the wall and the pipe with silicone to
preventmoisturepenetrationandairleaks.
• Sealbetweentheoutsideairinlethoodsandthehouse
withsiliconetopreventairinltration.
NOTICE: The fireplace provides some outside air for
combustion. Other methods may be necessary if more air
is required.
WARNING! Risk of Fire! The outside air kits are installed
onthebothsidesofthereplacetopreventoverheating
andre..
Outlet placed
higher than 3 ft
below the
termination cap
Attic space
Garage or
combustible
liquids storage
Outlet blocked by
snow, leaves, etc.
Clear area
outside
house or in
ventilated
crawl space
YES
NO
NO
NO
NO
Factory-built
fireplace
• Use UL181 Class 1 or Class 0 rigid or flexible ducting.
• Install with short run and add a P-trap which will help
prevent flow of cold air.
• Secure flex duct with screws or wire ties.
Figure 3.8 Outside Air Installation
Typical Outside Air
Installation
Typical CAK Installation
Seal
Seal
24” (610 mm) min.
48” (1220 mm) max.
Note: The pipe
cannot lay on top
of the unit.
4” Duct-Use UL181
Class 0 or Class 1
ducting
Recommend
around 24 inches
for a minimum bend
Figure 3.10 P-Trap
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/2316
20 ft (6.10 m) max.
pipe between an
offset & return
Ceiling firestop
35 ft (10.7 m)
max. straight
unsupported
chimney height
18.5 ft (5.64 m)
min. height
single offset-return
90 ft (27.4 m)
max. height
6 ft (1.83 m) max.
unsupported chimney
above roof
74 1/8 in.
(1884 mm)
Effective
Height
Figure 4.1 Chimney Requirements
NOTICE: A maximum of two pairs of offsets and returns
may be used.
WARNING! Risk of Fire! You must maintain 2 in. (51
mm) air space clearance to insulation and other com-
bustible materials around the chimney system. Fail-
ure to do so may cause overheating and re.
NOTICE: You must provide support for the pipe during
construction and check to be sure inadvertent loading has
notdislodgedthechimneysectionfromthereplaceorat
any chimney joint.
A. Chimney Requirements
Verticaldistancesaremeasuredfromthebaseofthe
replaceasshowninFigure4.1.
4 4 Chimney and Termination Requirements
Table 4.2 Chimney Component Dimensions
Table 4.1 Chimney Requirements
•Minimumoverallstraightheight 18 ft (5.5m)
•Minimumheightwithoffset/return 18.5 ft (5.64m)
•Maximumheight 90 ft (27.43m)
•Maximumchimneylengthbetweenanoffset
and return
20 ft (6.1m)
•Maximumdistancebetweenchimney
stabilizers
35ft (10.67m)
•Maximumunsupportedchimneylength
betweentheoffsetandreturn
6 ft (1.83m)
•Maximumunsupportedchimneyheightabove
thereplace
35ft (10.67m)
•Maximumunsupportedchimneyaboveroof 6 ft (1.83m)
•Minimumheightwithdoubleoffset/return 22.5 ft (6.86m)
HEIGHT OF CHIMNEY COMPONENTS in. mm
Chimney Stabilizer
SL11 4-3/4 121
Offsets/Returns
SL1130 18 457
Chimney Sections*
SL1106 4-3/4 121
SL1112 10-3/4 273
SL1118 16-3/4 425
SL1136 34-3/4 883
SL1148 46-3/4 1187
* Dimensions reect effective height.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 17
Table 4.3 Offset Dimensions
B. Offsets/Returns
• Useanoffset/returntobypassoverheadobstructions.
• Anoffsetandreturncanbeusedasasingleentityorseparatedbychimneysection(s).
WARNING! Risk of Fire! DO NOT use offset/returns greater than 30°. Chimney draft will be restricted and could cause
overheatingandre.Secureoffsetswithscrews(nottoexceed1/2”/13mminlength)Securereturnswithstrapping.
Straight chimney sections may be secured with screws. Keep chimney sections from separating or twisting.
• Measuretheshiftneededtoavoidtheoverheadobstruction.RefertodimensionAinFigure4.2.
• FindtheappropriateAdimensionlistedinTable4.3.TheBdimensioncoincidingwiththeAdimensionmeasurementin
Table4.3representstherequiredverticalclearanceneededtocompletetheoffset/return.
• Readacrossthecharttondthenumberofchimneysections/modelnumbersneededbetweentheoffsetandreturn.
A
B
1-1/4 in. (32 mm)
OVERLAP
Figure 4.2 Chimney Offset/Return
Example:
Your“A”dimensionfromFigure4.2is14-1/2in.(368
mm).UsingTable4.3thedimensionclosestto,butnot
lessthan14-1/2in.(368mm)is15-3/4in.(400mm)us-
inga30°offset/return.
Youdeterminefromthetablethatyouneed36-5/8in.
(930mm)(Dimension“B”)betweentheoffsetandreturn.
Thechimneycomponentsthatbesttsyourapplication
are two SL1112’s.
A B
SL1106 SL1112 SL1118 SL1136 SL1148in. mm in. mm
47/8 124 17 7/8 454 -----
71/4 184 22 559 1 - - - -
93/4 248 26 1/8 664 2 - - - -
101/4 260 271/4 692 - 1 - - -
123/4 324 313/8 797 1 1 - - -
131/4 337 323/8 822 - - 1 - -
153/4 400 365/8 930 - 2 - - -
18 1/8 460 403/4 1035 1 2 - - -
183/4 476 413/4 1060 - 1 1 - -
213/4 552 47 1194 - - 2 - -
221/4 565 48 1219 - - - 1 -
243/4 629 52 1/8 1324 1 - - 1 -
273/4 705 573/8 1457 -1-1-
281/4 718 583/8 1483 ----1
303/4 781 62 1/2 1588 1 - - - 1
333/4 857 673/4 1721 - 1 - - 1
363/4 933 73 1854 - - 1 - 1
393/4 1010 78 1/8 1984 - - - 2 -
411/8 1045 823/8 2092 1 - - 2 -
453/4 1162 88 1/2 2248 - - - 1 1
481/8 1222 923/4 2356 1 - - 1 1
513/4 1314 98 7/8 2511 - - - - 2
Properassemblyofaircooledchimneypartsresultsinanoverlapofchimneyjoints
of1-1/4in.(32mm).Effectivelengthisbuiltintothistable.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/2318
Slanted Roofs
Flat Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Multiple Chimney Locations
6 in. (minimum) up to 20 in.
152 mm/508 mm
20 in. and over 0 in. minimum
Gas, Wood or Fuel Oil
Termination Cap
Wood
Minimum
(See
illustration
above)
B
Gas
Termination
Cap **
A *
Perpendicular Wall
*
If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
**
In a staggered installation with both gas and wood terminations, the
wood termination cap must be higher than the gas termination cap.
Figure 4.3 Multiple Chimney Locations
C. Termination Requirements
• Installacapapprovedandlistedforthisreplacesystem.
• Locatecapwhereitwillnotbecomepluggedbysnoworothermaterials.
• Locate cap away from trees or other structures.
• Thebottomoftheterminationcapmustbeatleast3ft(.91m)abovetheroofANDatleast2ft(.61m)aboveanyportion
ofroofwithin10ft(3.05m).
• Thedistancerequiredbetweencapsisshownbelow.
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/23 19
Chimney must extend
beyond combustible
roof structure
Maintain minimum
height of chimney
above roof
Additional
support for
tall chimneys
Install roof flashing
according to minimum
requirements
Maintain minimum
clearances to
combustibles as
specified
Offsets/returns
may not exceed
30° from vertical
Lock chimney
sections together
firmly to resist
movement
Ceiling firestops
are required where
chimney passes
through ceiling or
floor
Support straps for offsets
(not shown) must be
secured to adequate framing
Termination Cap
Storm Collar
Offsets/returns must be
secured with screws
(outer pipe only)
Attic shield
The chimney must be
enclosed from the
fireplace to the attic
maintaining the 2 inch
clearances.
5 5 Chimney Installation
Figure 5.1 Typical Chimney System - Guidelines for Chimney System Installation
NOTICE: Chimney performance may vary.
• Trees, buildings, roof lines and wind conditions affect performance.
• Chimney height may need adjustment if smoking or overdraft occurs.
A. Typical Chimney System
Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev J • 06/2320
NOTICE: Chimney sections cannot be disassembled once
locked together. Plan ahead!
• Lockchimneysectionsand/oroffsets/returnstogetherby
pushing downward until the top section meets the stop
beadonthelowersection.
• Pullonthetopsectiontomakesureitisfullyengaged
and will not separate.
• Youmayuse#6or#8sheetmetalscrewsnolongerthan
1/2in.(13mm)tofastenchimneysectionstogether.Do
NOTpenetrateinnerue.
WARNING! Risk of Fire! You MUST use screws to
fasten offset/returns to chimney sections to keep the
chimney parts from twisting. Failure to do so could
causere.
• Fasten offset/returns to chimney sections. Do NOT
penetrateinnerue.
• Secure chimney returns with hanger straps provided;
fasten to studs or joists.
• Verticalstraightrunsofchimneymustbesupportedevery
35ft(10.7m).
B. Assemble Chimney Sections
Useonlythosecomponentsdescribedinthismanual.
Substituteordamagedchimneycomponentscouldimpair
safeoperationandcauseoverheatingandre.
Attach either a straight chimney section or an offset to
thetopofthereplace(dependingonyourinstallation
requirement).Chimneysectionsarelockedtogetherby
pushing downward until the top section meets the stop
beadonthelowersection.
Theinnerueisplacedtotheinsideoftheuesection
belowit.Theoutercasingisplacedoutsidetheoutercas-
ingofthechimneysectionbelowit.SeeFigure5.2.
WARNING! Risk of Fire! DO NOT install substitute or
damaged chimney components.
Figure 5.2 Assembling Chimney Sections
C. Install Chimney Air Kit (optional)
• Follow instructions included with accessory.
Chimney
Air Kit
Figure 5.3 CAK on Top of Unit
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Majestic Ashland Wood-Burning Fireplace Installation guide

Majestic
Brand
Majestic
Model
Ashland Wood-Burning Fireplace
Category
Fireplaces
Type
Installation guide
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