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American Hearth Boulevard Direct-Vent Linear 48 Gas Conversion LP to NAT Owner's manual

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40528-0-0519 Page 1Empire Comfort Systems Inc. • Belleville, IL
GAS CONVERSION INSTRUCTIONS
DIRECT
-
VENT GAS FIREPLACE
DVLL48BP92P-2 CONVERSION KIT PART NUMBER 40511
FOR CONVERSION TO NATURAL GAS
WARNING
This conversion kit is to be installed by an Empire Comfort Systems, Inc., distributor (or other
qualied agency¹)*in accordance with the manufacturer’s instructions and all codes and
requirements of the authority having jurisdiction. Failure to follow instructions could result
in serious injury or property damage. The qualied agency performing this work assumes
responsibility for this conversion.
1National Fuel Gas Code Z223.1 (Latest Edition)
*The term “qualied individual, rm, corporation or company which either in person or through
a representative is engaged in and is responsible for (a) the installation of gas piping or (b)
the connection, installation repair, or servicing of equipment, who is experienced in such
work, familiar with all precautions required, and has complied with all the requirements of the
authority having jurisdiction.
CHECK SAFETY SHUTDOWN PERFORMANCE
WARNING
Perform the safety shutdown test anytime work is done on a gas system to avoid the possibility
of re or explosion with property damage, personal injury or loss of life.
SAFETY SHUTDOWN SYSTEM
Full Function Control
1. Turn off unit with remote. Main burner and pilot should go off.
2. Pilotgasowshouldstopwithin30seconds.
3. Relightpilotburnerandoperatesystemthroughonecompletecycletomakesureallcontrolsoperateproperly.
PARTS LIST
Part Description Conversion Kit - 40511 Quantity Supplied
MainBurnerOrice #31(P209) 1
SIT Gas Valve Conversion Kit R11381 1
Gas Conversion Label 2139 1
Tools Needed:
• 1/4InchHexDriver
• 5/16InchHexDriver
• 3/8Inch,7/16Inch,and1/2InchWrenches
40528-0-0519Page 2 Empire Comfort Systems Inc. • Belleville, IL
INSTRUCTIONS FOR CONVERSION
1. Ifthereplaceisinstalled,turnOFFthegasand
electricsupplytothereplacebeforemakingagas
conversion.
2. LocatetheFireplaceInstallationInstructionsfor
referenceashowtoremovetheBarrierscreenfront
andGlassDoorassembly.Removethesetwoitems
and set aside.
3. RemoveallinteriordecorativeelementssuchasLogs,
Rocks,and/orglassmediaifpresent.
4. Ifthereplaceisinstalledwithnooutsideaccessto
theouterservicepanel,thenallconversionstepswill
needtobeperformedfrominsidethereplace.
5. Ifaccessisavailabletothevalvethroughtheouter
servicepanel,thenchangingofthesteppermotorwill
bemucheasier.
6. Ifnoouteraccessisavailable,thenfollowthe
remainingstepsforconvertingthegastype.
7.
LiftthefrontGlassRetainerbrackettoremove.See
Figure 1.
Figure 1
8. Ifinstalled,removetheinteriorLinerPanel(s).Referto
theLinerinstallationinstructionsforremoval.
9. Remove(9)PhillipsTrussheadscrewsthatsecurethe
BurnerScreentotheburner.See Figure 2. Lift up the
BurnerScreenCovertoremoveandsetaside.
Figure 2
10. Tochangetheburnerorice,remove(4)5/16"Hex
screwsthatsecuretheoutsideburnerbrackets.Each
endbracketissecuredwith(2)screws.See Figure 3
forthelocationofthefrontscrew,andFigure 4 for the
locationoftherearscrewlocation.
Figure 3
GAS INPUT FOR DIRECT VENT FIREPLACE
CONVERTED TO NATURAL GAS:
DVLL48BP9 (NAT) - 38,000 BTU per hour
ThedirectventgasreplacewhenconvertedtoNatural
Gas will have a manifold pressure of approximately 3.5"
w.c.(.871kPa)atthevalveoutletwiththeinletpressureto
the valve from a minimum of 4.5" w.c. (1.120kPa) for the
purpose of input adjustment to a maximum of 14.0" w.c.
(3.484kPa).
new photo
Glass Retainer
40528-0-0519 Page3Empire Comfort Systems Inc. • Belleville, IL
Figure 4
11. TheBurnerassemblycannowbeshiftedtotheleft
about1inchtoreleasetheairshutteroffoftheorice
holder.Theouterburnerbracketsmayneedtobe
gentlytappedtothelefttoassistintheburnerto
movetotheleft.Thereare(4)burnerlockdowntabs
underthecenteroftheburnerassembly.Thesetabs
interlockwithslotsinthetwocenterburnerbrackets.
See Figure 5. Oncethesetabsareunlockedfromthe
centerburnerbrackets,theBurnerassemblycanbe
liftedupwardafewinchestogainaccesstotheorice
andairshutter.Itisrecommendedthattheburner
assemblybesupported.
Figure 5
12. Usinga3/8"wrench,removethe#50oricefromthe
oriceholderanddiscard.See Figure 6.
13. Installthenew#31oriceintotheoriceholder.Donot
overtighten. See Figure 6.
Figure 6
14. Usinga1/4"wrench,loosentheairshutterscrew,
thenadjusttheairshutterbyrotatingitto1/8"open
position. See Figure 7.
Figure 7
15.
Re-installtheBurnerassembly.Aligntheairshutter
overtheoriceholderthenshiftburnerassemblytothe
right.Makesurethecenterburnerretainertabsarefully
engagedwiththecentersupportbrackets.See Figure 8.
Figure 8
Orice
SetAirShutter
Opening
AirShutter
BurnerLock
DownTabs
Slots In Center
BurnerBrackets
40528-0-0519Page 4 Empire Comfort Systems Inc. • Belleville, IL
16. Re-installthe(4)5/16"Hexscrewsremovedinstep10
abovetosecuretheBurnerassembly.
17.
ToconvertthepilotfromPropanegastoNaturalgas,
loosenthepilothoodassemblyslightlyusinga7/16"
wrench.See Figure 9. Just below the pilot hood and
nutisasmalloricetabthatslidessideways.See
Figure 10.Asmallscrewdrivermaybeusedtogently
movethesmalloricetabovertochangethegastype.
Donotforce.Theoricetabhasgastypesstampedon
thetab.Makesurethetypeofgasbeingconvertedto
isindicatedonthetab,thenre-tightenthePilothoodso
thatthehoodamepointsforwardtotheburner,and
lefttothesensor.Donotovertighten.See Figure 9.
Figure 9
Figure 10
18.
Toaccessthevalve,locateandremove(4)5/16"Hex
screwsthatsecuretheoutsideAccessCoverplate.If
outsideaccessisnotpossible,thenyouwillhaveto
accessthevalvefromtheinsideofthereplace.Inthat
case,locateandremove(12)5/16"Hexscrewsthat
securetheinternalaccessplate(locatedontheright
sideoftherebox).
19. ConvertthegasvalveasinstructedintheS.I.T.
(Propane)GasValveConversionkit.
20.
Theconvertedreplacemustbeconnectedtoasupply
oftheconversiongasandcheckedforleaksatall
connections.
21. Thereplacemustbecheckedtoensureitisoperating
atthecorrectpressureof3.5w.c.
22. Replacetheinternaland/orexternalAccessCover(s)
removedinstep18.
23. InstalltheLinerkit.RefertoLinerinstallation
instructionsasneeded.
24. Installdecorativemediasuchasalogsetand/
orcrushedglassasspeciedusingthereplace
installationmanualinstructionsasaguide.
25. ReplacetheGlassDoorassembly.
26. ReplacetheBarrierScreenassembly.
27. Gasconversioniscomplete.
Themainburnerameandpilotburneramemustbe
checkedforproperamecharacteristics,asoutlinedinthe
InstallationInstructionsandOwner'sManual.
VERIFYING INPUT RATE OF CONVERTED FIREPLACE
Theinputofthereplacemustbecheckedasfollows:
1. Turnoffallothergasappliances.Clockthegasmeter
anddeterminethenumberofsecondsrequiredto
consumeonecubicfootofgas.
2. 3600÷time(inseconds)=cu.Ft.perhour.
3. Thencu.Ft.perhourxheatingvalueofgas=input
rate(Btuh).Oninstallationwithoutgasmeters,check
manifold for proper pressure.
Ifreplaceisnotinstalledorwarrantycardhasnotbeen
returnedtoEmpireComfortSystem’s,Inc.,checkofftype
ofgasconvertedtooncard.Also,indicateconversionby
adding“Conv.”behindtypeofgas.
Orice Tab
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