Majestic 300DVBH User manual

MODELS: 300DVBH & 400DVBH
DVBH SERIES
DIRECT VENT GAS FIREPLACE
WARNINGS
IF THE INFORMATION IN THESE INSTRUCTIONS ARE
NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE,
PERSONAL INJURY OR LOSS OF LIFE.
 
vapors and liquids in the vicinity of this or any
other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use

        
     
instructions.
• If you cannot reach your gas supplier, call the

      
       
gas supplier.
   



service agency or the gas supplier.

    
       
local codes.
This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is


         

DUE TO HIGH TEMPERATURES, THE
APPLIANCE SHOULD BE LOCATED
OUT OF TRAFFIC AND AWAY FROM
FURNITURE AND DRAPERIES.
CHILDREN AND ADULTS SHOULD
BE ALERTED TO THE HAZARDS OF
HIGH SURFACE TEMPERATURE AND
SHOULD STAY AWAY TO AVOID BURNS
OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE
SUPERVISED WHEN THEY ARE IN THE
SAME ROOM AS THE APPLIANCE.
CLOTHING OR OTHER FLAMMABLE
MATERIAL SHOULD NOT BE PLACED ON
OR NEAR THE APPLIANCE.
KEEP THE ROOM AREA CLEAR AND
FREE FROM COMBUSTIBLE MATERIALS,
GASOLINE, AND OTHER FLAMMABLE
VAPORS AND LIQUIDS.
READ BEFORE INSTALLING. SAVE THESE INSTRUCTIONS
INSTALLATION AND OPERATING INSTRUCTIONS

2 54D5032
CONTENTS
 .......................... 3
Product Features .............................................. 5
Code Approval .................................................. 5
......................... 6–9
High Elevation Installation............................. 6
Orice Sizes, Pressures and BTUs............... 6
Before You Start ............................................ 6
Fireplace Framing ......................................... 7
Fireplace Dimensions.................................... 8
Fireplace Location......................................... 9
Clearances ...................................................... 10
 ........11
.................................. 12
Installation Precautions............................... 12
Vent Installation .............................................. 13
Optional Top Vent Application ..................... 14
Installation Planning.................................... 15
Rear (Through the Wall) Applications ......... 18
Horizontal Termination Conguration .......... 20
Below Grade Installations ........................... 22
Vertical Through-the-Roof Installation......... 23
Installation for Vertical Termination ............. 24
Vertical or Horizontal Flex Venting .............. 26
Fireplace Installation...................................... 28
Check Gas Type.......................................... 28
Installing Gas Piping to Fireplace/Burner
System Location.......................................... 28
 ................................. 30
Electrical Installation...................................... 30
Electrical Wiring .......................................... 30
Remote Wall Mounted Switch ..................... 31
Remote Wall Switch .................................... 31
Optional DC Remote Systems .................... 31
Optional Fan................................................ 31
 .............. 32
Final Installation ....................................... 33–35
Placement of lava rock, rock wool
and logs................................................. 33–35
Installing Andirons....................................... 35
 .................. 36
What To Do If You Smell Gas...................... 36
Lighting Millivolt Pilot for the First Time....... 37
Lighting Pilot................................................ 37
Lighting Burner............................................ 38
To Turn Off Gas........................................... 38
Cleaning and Maintenance ............................ 39
Burner, Pilot and Control Compartment ...... 39
Pilot Flame .................................................. 39
Burner ......................................................... 39
Burner Flame .............................................. 39
Vent System................................................ 40
Glass Door .................................................. 40
Logs ............................................................ 40
Rock Wool .................................................. 40
 ............................................. 41
 ................................... 43–48
Fireplace Components.......................... 43–44
Millivolt Engine Components ................ 45–46
Vent Components........................................ 47
Logs ............................................................ 48
..... 49
Warranty ...........................................

54D5032 3
4. Neverinstallthereplace
  • inarecreationalvehicle
  • wherecurtains,furniture,clothing,orotherammable
objectsarelessthan42"fromthefront,top,orsides
ofthereplace
  • inhightrafcareas
  • inwindyordraftyareas
5. Thisreplacereacheshightemperatures.Keepchildren
andadultsawayfromhotsurfacestoavoidburnsorcloth-
ingignition.Fireplace will remainhotfora time after
shutdown.Allowsurfacestocoolbeforetouching.
6. Carefullysuperviseyoungchildrenwhentheyareinthe
roomwithreplace.
7. Donotmodifyreplaceunderanycircumstances.Any
parts removed for servicing must be replaced prior to
operatingreplace.
8. Turnreplaceoffandletcoolbeforeservicing,install-
ing,orrepairing.Onlyaqualiedservicepersonshould
install,service,orrepairthereplace.Haveburnersystem
inspectedannuallybyaqualiedserviceperson.
9. Youmustkeepcontrolcompartments,burners,andcir-
culatingairpassagesclean.Morefrequentcleaningmay
beneededduetoexcessivelintanddust.Turnoffthegas
valveandpilotlightbeforecleaningreplace.
10. Haveventingsysteminspectedannuallybyaqualied
serviceperson.Ifneeded,haveventingsystemcleaned
orrepaired.SeeCleaning and Maintenance,page39.
11. Keeptheareaaroundyourreplaceclearofcombustible
materials,gasoline,andotherammablevaporandliq-
uids.Donotrunreplacewheretheseareusedorstored.
Donotplaceitemssuchasclothingordecorationsonor
aroundreplace.
INSTALLER
Pleaseleavetheseinstructionswiththeappliance.
OWNER
Pleaseretaintheseinstructionsforfuturereference .
IMPORTANT SAFETY INFORMATION
This replace is a vented product. This replace must be
properlyinstalledbyaqualiedserviceperson.Theglassdoor
mustbeproperlyseatedandsealed.Ifthisunitisnotproperly
installedbyaqualiedservicepersonwithglassdoorproperly
seatedandsealed,combustionleakagecanoccur.
CARBON MONOXIDE POISONING: Early signs of
carbonmonoxidepoisoningaresimilartotheuwithhead-
aches,dizzinessand/ornausea.Ifyouhavethesesigns,the
replacemaynothavebeeninstalledproperly.Getfreshair
atonce!Havethereplaceinspectedandservicedbyaquali-
edserviceperson.Somepeoplearemoreaffectedbycarbon
monoxidethanothers.Theseincludepregnantwomen,people
withheartorlungdiseaseoranemia,thoseundertheinuence
ofalcohol,andthoseathighaltitudes.
Propane/LPgasandnaturalgasarebothodorless.Anodor-
makingagentisaddedtoeachofthesegases.Theodorhelps
youdetectagasleak.However,theodoraddedtothesegases
canfade.Gasmaybepresenteventhoughnoodorexists.
Make certain you read and understand all warnings. Keep
thismanualforreference.Itisyourguidetosafeandproper
operationofthisreplace.
1. Thisapplianceisonlyforusewiththetypeofgasindi-
catedontheratingplate.Thisapplianceisnotconvertible
forusewithothergasesunlessacertiedkitisused.
2. Forpropane/LPreplace,donotplacepropane/LPsupply
tank(s)insideanystructure.Locatepropane/LPsupply
tank(s)outdoors.Topreventperformanceproblems,do
notusepropane/LPfueltankoflessthan100lbs.capac-
ity.
3. Ifyousmellgas
  • shutoffgassupply.
  • donottrytolightanyappliance.
  • do not touch any electrical switch; donot use any
phoneinyourbuilding.
  • immediatelycallyourgassupplierfromaneighbor’s
phone.Followthegassupplier’sinstructions. Continued on page 4
 

 
 

WARNING

4 54D5032
IMPORTANT SAFETY INFORMATION
Continued from page 3
12.Donotusethisreplacetocookfoodorburnpaperor
otherobjects.
13. Neverplaceanythingontopofreplace.
14. Donotuseanysolidfuels(wood,coal,paper,cardboard,
etc.)inthisreplace.Useonlythegastypeindicatedon
ratingplate.
15. This appliance, when installed, must be electrically
groundedinaccordancewithlocalcodesorintheabsence
oflocalcodes,withtheNational Electrical Code, ANSI/
NFPA 70,ortheCanadian Electrical Code, CSA C22.1.
16. Donotobstructtheowofcombustionandventilation
air in any way. Provide adequate clearances around
air openings into the combustion chamber along with
adequateaccessibilityclearanceforservicingandproper
operation.
17. Whentheapplianceisinstalleddirectlyoncarpeting,tile
orothercombustiblematerialotherthanwoodooring,
youmustsetapplianceonametalorwoodpanelorhearth
padextendingthefullwidthanddepthoftheappliance.
18. Donotusereplaceifanyparthasbeenexposedtoor
hasbeenunderwater.Immediatelycallaqualiedservice
persontoarrangeforreplacementoftheunit.
19. Donotoperatereplaceifanylogisbroken.
20. Donotuseablowerinsert,heatexchangerinsert,orany
otheraccessorynotapprovedforusewiththisreplace.
21. Donot operatethe replacewithglassdoorremoved,
cracked,orbroken.
IMPORTANT:
PLEASE READ THE FOLLOWING CAREFULLY
It is normal for replaces fabricated of steel to
give off some expansion and/or contraction noises
during the start up or cool down cycle. Similar
noises are found with your furnace heat exchanger
or car engine.
IMPORTANT:
PLEASE READ THE FOLLOWING CAREFULLY
It is not unusual for gas replaces to give off some
odor the rst time it is burned. This is due to the
manufacturing process.


It is recommended that you burn your replace for
at least ten (10) hours the rst time you use it. Place
the fan switch in the “OFF” position during this time.
Never connect unit to private


wellhead gas.
WARNING

We suggest that our gas hearth
products be installed and
serviced by professionals who
are certied in the U.S. by the
National Fireplace Institute®
(NFI) as Gas Specialists.

54D5032 5
PRODUCT FEATURES and CODE APPROVAL
Off/Pilot/On Knob
Optional Remote
Receiver
Figure 1 - 300DVBH and 400DVBH Fireplace
• This appliance has been certi-
edforusewitheithernaturalor
propanegas.Seeappropriatedata
plates.
• Thisapplianceisnotforusewith
solidfuels.
• The appliance is approved for
bedroom or bedsitting room
installations.
• Theappliancemustbeinstalled
inaccordancewithlocalcodesif
any.Ifnoneexistusethecurrent
installationcode.ANSIZ223.1/
NFPA54intheUSA,CAN/CGA
B149inCanada.
• This appliance is mobile home
approved.
• Theappliancemustbeproperly
connectedtoaventingsystem.
• Theapplianceisnotapprovedfor
closetorrecessedinstallations.
The efciency rating of this appli-
anceisaproductthermalefciency
rating determined under continuous
operatingconditionsandwasdeter-
minedindependentlyofanyinstalled
system.
Thermalefciencyupto75%
AFUEefciencyupto71%
Hi/Lo Knob
PRODUCT SPECIFICATIONS
CODE APPROVAL
DirectVenttypeappliancesdrawallcombustionairfromoutsideofthedwellingthroughtheventpipe.
TheseapplianceshavebeentestedbyCSAandfoundtocomplywiththeestablishedstandardsforDIRECTVENTGAS
FIREPLACEHEATERSintheUSAandCanadaasfollows:
LISTED VENTED GAS FIREPLACE HEATER
TESTED TO: ANSI Z21.88-2007/CSA 2.33-2007 STANDARDS
Amanufacturedhome(USAonly)ormobilehomeOEMinstallationmustconformwiththeManufactured Home Con-
struction and Safety Standard, Title 24 CFR, Part 3280, orwhensuchastandardisnotapplicable,theStandard for
Manufactured Home Installations, ANSI/NCSBCS A225.1,orStandard for Gas Equipped Recreational Vehicles and
Mobile Housing, CSA Z240.4.
Blower Control
On/Off/RS Switch
Ignitor

6 54D5032
PRE-INSTALLATION INFORMATION
ORIFICE SIZES, PRESSURES AND BTUs
NATURAL GAS PROPANE GAS
ManifoldPress:(W.C.) 3.5" ManifoldPress:(W.C.) 10"
MaximumSupplyPressure 10.5" MaximumSupplyPressure 13" 
MinimumSupplyPressure 4.5" MinimumSupplyPressure 11"
  
Natural Propane Natural Propane
Max. Btu/hr Input 23,000 23,000 27,000 26,000
Min. Btu/hr Input 16,000 18,000 19,000 20,000
Orice size 2.35mm 1.50mm #41 1/16
BEFORE YOU START
Readthishomeownermanualthoroughlyandfollowallinstructionscarefully.Inspectallcontentsforshippingdamageand
immediatelyinformyourdealerifanydamageisfound.Donotinstallanyunitwithdamaged,incomplete,orsubstituteparts.
Checkyourpackinglisttoverifythatalllistedpartshavebeenreceived.Youshouldhavethefollowing:
• Fireplace(FireboxandBurnerSystem)
• RockWool
• LogSet
ITEMS REQUIRED FOR INSTALLATION
Tools: Building Supplies:
• PhillipsScrewdriver • FramingMaterials
• Hammer • WallFinishingMaterials
• Sawand/orsabersaw • CaulkingMaterial(Noncombustible)
• Level • FireplaceSurroundMaterial(Noncombustible)
• MeasuringTape • PipingComplyingwithLocalCodes
• ElectricDrillandBits • TeeJoint
• Pliers • PipeSealantApprovedforusewithPropane/LPG
• Square  (ResistanttoSulfurCompounds)
• PipeWrench
HIGH ELEVATIONS
InputratingsareshowininBTUperhourandarecertiedwithoutderationforelevationsupto4,500feet(1,370m)above
sea level.
Forelevationsabove4,500feet(1,370m)inUSA,installationsmustbeinaccordancewiththecurrentANSIZ223.1/NFPA
54and/orlocalcodeshavingjurisdiction.
InCanada,pleaseconsultprovincialand/orlocalauthoritieshavingjurisdictionforinstallationsatelevationsabove4,500
feet(1,370m).

54D5032 7
B
A
A
C
E
D
F
H
C
A
A
C
G
Corner Installation
Stud Location
Inside Chase Installation
Figure 2 - Framing Dimensions
300 400
A 331/2" 371/2"
B 371/4" 407/8"
C 281/4" 291/4"
D 141/8" 131/2"
E 5511/16" 607/8"
F 2713/16" 307/16"
G 133/4" 161/2"
H 393/8" 431/16"
WARNING
Recessed
Installation
PRE-INSTALLATION INFORMATION
Figure 2 - Framing Dimensions
FIREPLACE FRAMING
Fireboxframingcanbebuiltbeforeoraftertheapplianceissetinplace.ConstructreboxframingfollowingFigure2and
thechartbelowforyourspecicinstallationrequirements.SeeFigure3onPage8forreboxdimensions.Theframing
headersmayrestonthetopofthereboxstandoffs.Donotbringheadersbelowtopofstandoffs.
Thereboxmaybeinstalleddirectlyonacombustibleoororraisedonaplatformofanappropriateheight.Whenthe
reboxisinstalleddirectlyoncarpeting,tile,orothercombustiblematerial,otherthanwoodooring,thereboxshallbe
installedonametalorwoodpanelextendingthefullwidthanddepthoftheenclosure.



8 54D5032
E
H
D
A
G
F
L
M
O
J
3½"


½"
½"
I
B8¼"
I
N
C
K
PRE-INSTALLATION INFORMATION
DESCRIPTION
Key
Letter 300DVBH 400DVBH
Overall Front Width A 331/16" 371/16"
Inside Width B 297/8" 32"
Glass Width C 27" 29"
CTR Pipe Rear L/R D 161/2" 181/2"
Rear Width E 28" 29"
Glass Height F 18" 203/8"
Total Height G 337/8" 405/8"
Depth H 15" 181/4"
Figure 3 - Fireplace Dimensions
DESCRIPTION
Key
Letter 300DVBH 400DVBH
Height to Standoffs I 37" 405/8"
CTR Pipe Height Rear J 295/8" 331/8"
Top Face K 21/8" 11/4"
Side Face L 11/2" 21/2"
Bottom Face M 15/16"15/16"
Non-combustible N 51/4" 61/8"
Chassis Height O 333/4" 371/2"
FIREPLACE DIMENSIONS

54D5032 9
Y
EAB
C
D
F
Y
X
PRE-INSTALLATION INFORMATION
FIREPLACE LOCATION
Planfortheinstallationofyourappliance.Thisincludesdeterminingwheretheunitistobeinstalled,theventconguration
tobeused,framingandnishingdetails,andwhetheranyoptionalaccessories(i.e.blower,wallswitch,orremotecontrol)
aredesired.Consultyourlocalbuildingcodeagencytoensurecompliancewithlocalcodes,includingpermitsandinspec-
tions.
Thefollowingfactorsshouldbetakenintoconsideration:
• Clearancetoside-wall,ceiling,woodwork,andwindows.Minimumclearancestocombustiblesmust be maintained.
• Thisreplacemaybeinstalledalongawall,acrossacorner,oruseanexteriorchase.See Figure 4 forsuggestedloca-
tions.
• Locationshouldbeoutofhightrafcareasandawayfromfurnitureanddraperiesduetoheatfromappliance.
• Neverobstructthefrontopeningofthereplace.
• Donot installinthevicinitywheregasolineorotherammableliquidsmaybestored.
• Ventpiperouting.SeeVenting sectionfoundinthismanualforallowableventingcongurations.
• Theseunitscanbeinstalledinabedroom.SeeNationalFuelGasCodeANSIZ233.1/NFPA54—(currentedition),the
UniformMechanicalCode—(currentedition),andLocalBuildingCodesforspecicinstallationrequirements.
Figure 4 - Locating Gas Fireplace
A Flat on Wall
B Cross Corner
C Island**
D Room Divider*
E Flat on Wall Corner*
F Chase Installation
Y 4" Minimum
** Island (C) and room divider (D) installation is possible as long as the horizontal portion of vent system (X)
does not exceed 20'. See Installing Horizontal Termination Conguration on pages 18 and 19.
* When you install your replace in (D) room divider or (E) at on wall corner positions (Y), a minimum of 6"
clearance must be maintained from perpendicular wall and front of replace.

10 54D5032
0"–12"
Maximum
Depth
12" Minimum
71"Minimum
Minimum 4"
From Both
Side Walls
FIREPLACE
WALL
COMBUSTIBLE
MATERIAL
AREA
4"
3"
2.5"
45°
2.5"2.5"
1" 1.5"1.5"
STUD
Follow these instructions carefully to ensure safe installation. Failure to follow




the appliance.
WARNING
CLEARANCES
CLEARANCES TO COMBUSTIBLES
MANTEL CLEARANCES
NOTE: The combustible area above the facing must not protrude more than 3/4" from the facing. If it does,
it is considered a mantel and must meet the mantel requirements listed in this manual.
Figure 5 - Clearances Figure 5a - Mantel clearances.
NOTE
Allmantelshelves,regardlessofdepth,shouldbeamini-
mumof12"fromtopopeningofreplace.Mantelshelf
shall not exceed 12" maximum depth at 12" minimum
heightfromopening.

54D5032 11
Thereplacemustbesecuredtotheoorand/ortoframingstudsasshowninFigure 5.Usetwo(2)woodscrewsormasonry/
concretescrewstosecurereplacetotheoor.Usefour(4)screwstoattachreplacetoframing.Thesidenailinganges
are1/2"or5/8"toaccommodatedifferentwallthickness.
SECURING FIREPLACE TO FLOOR OR FRAMING
Figure 6 - Securing Fireplace to Floor and Framing Studs
Insulation
Board
Framing
Nail
Flange
Screws
Nail
Flange
Screws
Screws
Screws
Screws
WARNING
DO NOT REMOVE
INSULATION BOARD

12 54D5032


          

WARNING
Failure to follow these instructions will
void the warranty.
NOTICE
INSTALLATION PRECAUTIONS
Consultlocalbuildingcodesbeforebeginningtheinstallation.Theinstallermustmakesuretoselecttheproperventsystem
forinstallation.Beforeinstallingventkit,theinstallermustreadthisreplacemanualandventkitinstructions.
Onlyaqualiedinstaller/servicepersonshouldinstallventingsystem.Theinstallermustfollowthesesafetyrules:
 • Wearglovesandsafetyglassesforprotection.
 • Useextremecautionwhenusingladdersorwhenonrooftops.
 • Beawareofelectricalwiringlocationsinwallsandceilings.
Thefollowingactionswillvoidthewarrantyonyourventingsystem:
 • Installationofanydamagedventingcomponent.
 • Unauthorizedmodicationoftheventingsystem.
 • InstallationofanycomponentpartnotmanufacturedorapprovedbyMHSC.
 • Installationotherthanpermittedbytheseinstructions.
FINISHING MATERIAL
NOTE: Any remote wiring (i.e. remote control, wall switch, and optional fan) must be done prior to nal
nishing to avoid costly reconstruction.
INSTALLATION INFORMATION
Onlynoncombustiblematerials(i.e.brick,tile,slate,steel,orothermaterialswithaULreratingofZero)maybeusedto
covertheblacksurfaceoftheappliance.A300°Fminimumadhesivemaybeusedtoattachfacingmaterialstotheblack
surface.Ifjointsbetweenthenishedwallandthereplacesurroundaresealed,a300°Fminimumsealantmaterial(General
ElectricRTV103orequivalent)mustbeused.
              

WARNING
VENT INSTALLATION

54D5032 13
3"
1"
1"
1"
3"
1"
1"
VENT INSTALLATION
             
            

WARNING
Figure 7 - Combustible Clearances for Vent Pipe
WARNING
WARNING
            
           



on all sides of the pipe.
A Minimum of 3" Clearance
to the Top Is Required Along
Horizontal Length until Flue
Pipe Penetrates Outside Wall.
A Minimum 1" Clearance to
Combustibles Permitted All
Around Flue at Outside Wall

14 54D5032
Figure 9 - Removing Screws from Flue
Pipe Adapter and Flue Pipe Cover
Figure 10 - Removing
Flue Pipe
Figure 11 - Attaching Flue Pipe to
Top Vent Congurations
Screws Flue Pipe
Screws
Flue Pipe
Flue Cover
Flue Pipe
Cover
Flue Pipe
Adapter
Screws
Figure 8 - Removing top box and insulation
300DVBH 400DVBH
OPTIONAL TOP VENT APPLICATION
Theapplianceisshippedasarearventunit.Iftheinstallation
layoutrequirestheunittobeatopventcongurationthe
appliancecanbeconvertedbyfollowingthestepsbelow.
NOTE: REMOVE AND DISCARD TOP BOX AND
INSULATION ON TOP OF THE UNIT BETWEEN
THE STAND-OFFS. THIS BOX IS ONLY UTILIZED
WITH REAR-VENT APPLICATIONS.
Whenremovingandrettingtheplatesandadapterbesurethe
associatedgasketsareundamagedandrettedasrequired.
1. Removetheeight(8)screwssecuringtheuepipeadapter
tothereplacebody.See Figure 9.
2. Settheuepipeadapteraside,completewiththegasket.
Donotdamagethegasketsastheadapterandgasketmust
beretted.
3. Removetheeight(8)screwssecuringtheuepipecoverto
thetopoftheintakeboxandremovethecoverandgasket.
See Figure 9.
4. Remove the six (6) screws securing the ue pipe to the
backoftheintakeboxandremovethepipeandgasket.See
Figure 10.
5. Replaceuepipetotopofrebox.Ensurethegasketis
inplaceandundamaged.Securewithsix(6)screws.See
Figure 11.
6. Placetheuepipecoverandgasketremovedinstep3over
theueopeninginbackoftheintakebox.
7. Ret the ue pipe adapter and gasket to the top of re-
place.Securetheadapterwitheight(8)screwsremovedin
step1.
A f t e r c o n v e r s i o n t o t o p v e n t

5/8"
1/4").
WARNING
VENT INSTALLATION

54D5032 15
VENT INSTALLATION
INSTALLATION PLANNING
Therearetwobasictypesofdirect-ventinstallation:
 • HorizontalTermination
 • VerticalTermination
Itisimportanttoselecttheproperlengthofventpipeforthetypeofterminationyouchoose.Itisalsoimportanttonotethe
wallthickness.
FOR HORIZONTAL TERMINATION
Select the amount of vertical rise desired.All horizontal run
ofventingmusthave1/4"riseforevery12"ofruntowardsthe
termination.
Youmayuseuptothree90°elbowsinthisventconguration.See
Horizontal Termination Congurationsonpages20and21.
FOR VERTICAL TERMINATION
Measurethedistancefromthereplaceoortotheceiling.Addtheceilingthickness,theverticalriseinanatticorsecond
story,andallowforsufcientventheightabovetheroofline.
NOTE: You may use two 45° elbows in place of a 90° elbow. You must follow rise to run ratios when using
45° elbows. The appliance is approved for use with three 90° elbows maximum or a combination of 90°
and 45° elbows up to a maximum of 270°.
Fortwo-storyapplications,restopsarerequiredateachoorlevel.Ifanoffsetisneededintheattic,additionalpipeand
elbowswillberequired.
Youmayuseachasewithaventterminationwithexposedpipeontheexteriorofthehouse.SeeInstalling Vent System in
a Chasebelow.Ifpipeisenclosedinchase,itisnotexposed.
Itisveryimportantthattheventingsystemmaintainitsbalancebetweenthecombustionairintakeandtheuegasexhaust.
Certainlimitationsapplytoventcongurationsandmustbestrictlyfollowed.
INSTALLING A VENT SYSTEM IN AN OUTSIDE CHASE
Achaseisaverticalboxlikestructurebuilttoencloseventingthatrunsalongtheoutsideofabuilding.Achaseisrequired
forsuchventing.
Never run the vent pipe level or

   

WARNING

           

NOTICE
When installing in a chase, you should insulate the chase as you would the outside walls of


NOTICE

16 54D5032
V
V
V
V
V
V
V
V
D
L
E
B
C
F
B
B
B B
B
M
I
A
A
J
H
G
A
Operable
Fixed
Closed Fixed
Closed
Opera-
ble
K
A
A
A
G
VENT INSTALLATION






WARNING
Figure 12 - Horizontal Vent Termination Location
Vent Terminal Air Supply Inlet Area Where Terminals Not Permitted
Inside Corner Detail
FOR HORIZONTAL TERMINATION
MINIMUM DISTANCES
A=Clearanceabovethegrade,averanda,porch,deck,orbalcony[*12"(305mm)minimum]. 
B=Clearancetowindowordoorthatmaybeopened[*12"(305mm)minimum].
C=Clearance to permanently closed window [*minimum 12" (305mm) recommended to prevent condensation on
window]
D=Verticalclearancetoventilatedsoftlocatedabovetheterminalwithinahorizontaldistanceoftwo(2)feet(610mm)
fromthecenterlineoftheterminal[18"(457mm)minimum].
E= Clearancetounventilatedsofts[12"(305mm)minimum].Clearance to vinyl soft [30" (762mm)].
F= Clearancetoanoutsidecorner.See Figure 12.
G=Clearancetoaninsidecorner.See Figure 12.
H=*Nottobeinstalledaboveagasmeter/regulatorassemblywithinthree(3)feet(914mm)horizontallyfromthecenterline
oftheregulator.
I= Clearancetoserviceregulatorventoutlet[*3'(914mm)minimum].
J= Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance [*12"
(305mm)minimum].
K=Clearancetoamechanicalairsupplyinlet[*6'(1829mm)minimum].
L= Clearanceaboveapavedsidewalkorpaveddrivewaylocatedonpublicproperty[**7'(2133mm)minimum].
M=Clearance under veranda, porch, deck, or balcony. See Figure 13, page 17. [For Canada *12" (305mm)
minimum***]. 
* AsspeciedinCSAB149InstallationCodes.Note:Localcodesorregulationsmayrequiredifferentclearances.
** Aventmustnotterminatedirectlyaboveasidewalkorpaveddriveway,whichislocatedbetweentwosingle-family
dwellingsandservesbothdwellings. 
***Onlypermittedifveranda,porch,deck,orbalconyisfullyopenonaminimumoftwosidesbeneaththeoor.

54D5032 17
V
GG=6" (152mm)
FF=6" (152mm)
V
V
G
G = Combustible 24"(610mm)
Noncombustible 18"(457mm)
Combustible &
Noncombustible
H = 24" (610mm)
J = 20" (508mm)
V
H
J
C = Maximum depth of 48" (1219mm)
for alcove location
D =Minimum width for back wall of
alcove location
Combustible - 38" (965mm)
Noncombustible - 24" (610mm)
E = Clearance from corner in alcove
location
Combustible - 6" (152mm)
Noncombustible - 2" (51mm)
E
V
D
C
C
Inside Corner
Alcove Location
Outside Corner
Balcony with No Side Wall Balcony with Perpendicular
Side Wall
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
2 4 6 8 10 1214 16 1820
eg: A
VENT INSTALLATION
TERMINATION CLEARANCES FOR BUILDINGS WITH COMBUSTIBLE
AND NONCOMBUSTIBLE EXTERIORS
Figure 13 - Allowable Venting Chart
HOW TO USE THE VENT GRAPH
TheVentGraphshouldbereadinconjunctionwiththefollowing
ventinstallationinstructionstodeterminetherelationshipbetween
theverticalandhorizontaldimensionsoftheventsystem.
1. Determinetheheightofthecenterofthehorizontalventpipe
exiting through the outer wall. Using this dimension on the
SidewallVentGraphbelow,locatethepointintersectingwith
theslantedgraphline.
2. Fromthepointofthisintersection,drawaverticallinetothe
bottomofthegraph.
3. Selecttheindicateddimension,and positionthereplace in
accordancewithsame.
Example: If the vertical dimension from the oor of the
replace is 11' (3.4m) the horizontal run to the face of the
outer wall must not exceed 14' (4.3m).
Example: If the vertical dimension from the oor of the unit
is 7’ (2.14m), the horizontal run to the face of the outer
wall must not exceed 81/2' (2.6m).
SidewallVentGraphshowingtherelationshipbetweenverticaland
horizontaldimensionsforaDirectVentuesystem. Figure 14 - Rear Wall Venting Graph
Horizontal Dimension From the Outside of
Termination to the Back of the Fireplace
Vertical Dimension From the Floor of Unit to the Center of the
Horizontal Vent Pipe
Dimensions in
Feet

18 54D5032
91/2"
(241mm)
91/2"
(241mm)
33/4"
(92mm)
71/2"
(190mm)
Maximum
20"
Top View Flat Installation

Wheninstalledasarearventunitthisappliancemaybeventeddirectlytoaterminationlocatedontherearwallbehind
theappliance
• Themaximumhorizontaldistancebetweentherearoftheapplianceandtheoutsideofterminationis20"(508m).See
Figure 14.
• Onlyone45°elbowisallowedintheseinstallations.
VENTING INSTALLATION
Sealant is not required to assemble the DVBH
replaceventing.Donotusesiliconesealantatthe
ueexhaustconnections.
1. Findthepipesection’sdirectionlabel.Thelabel
arrowshallbepointedawayfromtherebox
andtowardthetermination.Firmlyinsertthe
initial rigid section/elbow into the firebox
outercollar.Simpson“GS”andSelkirk“DT”
outerwallsarehemmedandwillsnapintothe
collar’stabs.AttachSimpson’sDirectVentPro
byfullyinsertingintothecollarandsecuring
withselftappingscrews.Thescrewsshallonly
penetratetheueouterwall.
 Refer to vent manufacturer’s installation
instructionstoproperlyassembleue.
2. Locateandcuttheventopeninginthe 
wall.Forcombustiblewallsrstframein 
opening.
  Cuta111⁄2"Hx
91⁄2"Wholethroughtheinteriorwall.
    Cut a 91⁄2"H
x 91⁄2"W square hole through the exterior
wallframe.See Figure 17.
  Holeopeningshould
be71⁄2"(190mm)indiameter.
3. Thecenteroftheholeshouldlineupwiththe
center line of the horizontal rigid vent pipe
end.Pipeshallalwaysrunleveloruphillon
horizontalruns.Neverrunpipedownhill.See
Figure 17.
Figure 15 - Rear Vent Application,
Maximum Horizontal Distance
Figure 17 - Exterior Wall Framing Dimensions
Note: Horizontal runs of vent
must be supported every three
feet (914mm). Use wall straps
for this purpose.
Figure 16 - Rigid Vent Pipe Connections
Female
Locking Lugs
Male Slots

54D5032 19
HOT
HOT
VENT INSTALLATION
4. Applyabeadofnon-hardeningmasticaroundtheoutside
edgeofventcap.Positiontheventcapinthecenterofhole
ontheexteriorwallwiththeword“HOT”ontheventcap
facingup.Insureproperclearanceof1"tocombustiblesis
maintainedtotheue.Attachtheventcapwithfourwood
screwssupplied.See Figure 18.

into any wall. This will cause a

WARNING
NOTE: Replace the wood screws with appropriate
fasteners for stucco, brick, concrete, or other types
of siding.
Figure 18 - Installing Horizontal Termination
REAR WALL VENT INSTALLATION (continued)
Figure 19 - Installing Simpson/Selkirk Vinyl
Siding Standoff and Termination
Apply
Mastic to
All Four
Sides
Vent Cap
Wood
Screw
Cut Vinyl Siding
Away to Fit Standoff
Wood Screw
Simpson
Termination
#985
Bolt
Apply Mastic to
All Four Sides
Nut
Standof #950
Figure 20 - Installing Firestop on
Horizontal Vent Pipe
Interior Wall
Surface
Firestop
Horizontal
Vent Pipe
Screw
Vent Cap
(Horizontal
Termination)
Avinylsidingstandoff(part#950)mustbeusedwiththeSimpson/SelkirkHorizontalTermination(part#985)onvinyl,
stuccoorwood-cladexteriorwalls.Applynon-hardeningmasticaroundoutsideedgeofthestandoffinsteadoftheventcap
assembly.See Figure 19.
5. Slidetherestopovertheventpipebeforeconnectingthehorizontalruntotheventcap.See Figure 20.
6. Theterminationshouldoverlaptheueaminimumof11/4"Applysiliconetotheouterpipe/terminationconnection.
Fastenterminationwithscrewsprovided.
7. Slidetherestopagainsttheinteriorwallsurfaceandattachwithscrews.See Figure 20.

20 54D5032
VENT INSTALLATION
HORIZONTAL TERMINATION CONFIGURATIONS
Since it is very important that the venting system maintain its balance between the combustion air intake and the ue
gas exhaust, certain limitations as to vent congurations apply and must be strictly adhered to.
TheVentGraph,showingtherelationshipbetweenverticalandhorizontalsidewallventing,willhelptodeterminethevari-
ousdimensionsallowable.See Figure 13, page 17.
NOTE: Horizontal sections of this vent system require a minimum of 3" clearances to combustibles at the top of the
ue and 1" clearance at the sides and bottom until the ue penetrates the outside wall. A minimum 1" clearance all
around the ue is acceptable at this point of penetration.
Vertical sections of this vent system require a minimum of 1" clearance to combustibles on all sides of the pipe.
Whenventexitsthroughfoundationslessthan20"belowoutcrop,theterminationmustbeushupwithoutcroppedwall
above.
Itisbesttolocatethereplaceinsuchawaythatminimizesthenumberofoffsetsandhorizontalventlength.
Thehorizontalventrunreferstothetotallengthofventpipefromtheuecollarofthereplace(orthetopoftheTransition
Elbow)tothefaceoftheouterwall.
Figure 21 - Maximum Three (3) 90° Elbows
Per Installation
• Themaximumnumberof90°elbowspersidewallinstallationisthree(3).See Figure 21.
• Ifa90°elbowistteddirectlyontopofthereplaceangethemaximumhorizontalventrunbeforetheterminationor
averticalriseis36”(914mm).See Figure 22.
Figure 22 - Maximum Horizontal Run with No Rise
3 x 90°
Elbows
3 x 90°
Elbows
36"
Max.
36"
Max.
              
attached directly to the rear of the unit is NOT INCLUDED in the following criteria and

venting layouts.
WARNING