Desa Tech GA9050A-1 Owner's manual

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Fireplaces
Type
Owner's manual
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GA9050A-1 SERIES
MANUAL ON/OFF SAFETY VALVE/PILOT KIT
For All Single, Dual and Triple Burner
Natural and Propane/LP Gas Logs
WARNING: If the information in this manual is not
-

      
 

-

-



The GA9050A-1 Series Manual On/Off Safety Valve/Pilot kit contains the following:
• PiezoIgnitor 097159-04
• ManualValve 901068-02
• PilotBurner(withnatural
gasorice) 901069-01
• PiezoIgnitorElectrode 901072-01
• SteelShroud-PilotKit 901139-01
• PilotKitIncidentals 901152-01
• ControlDialInstructions 901042-01
• Brass3/8FLRx3/8MPTElbow 14264
• 18"Propane/LPBrassOrice 901065-02
• 24"Propane/LPBrassOrice 901065-03
• 30"Propane/LPBrassOrice 901065-04
• Propane/LPBrassAirMixer 901066-02
• Propane/LPPilotBurnerOrice901070-01
• Screw1/4"#8“B”pt(4ea.) 901075-01
• PilotValveControlDial 901079-01
• PilotValveDialExtension3" 901080-01
• PropaneConversionDecal 901691-01
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901054-01M2
MODEL DESCRIPTION 
Natural Gas
B

Minimum Vent

(C,V,F,B)VSR18 18"SingleBurner 50,000 40,000 8"dia.
(C,V,F,B)VSR24 24"SingleBurner 60,000 50,000 8"dia.
CPVSR18 18"SingleBurner 50,000 40,000 8"dia.
CPVSR24 24"SingleBurner 60,000 50,000 8"dia.
(C,HC,V,F,B)VDR18 18"DualBurner 55,000 45,000 8"dia.
(C,HC,V,F,B)VDR24 24"DualBurner 65,000 55,000 8"dia.
(C,V,F,B)VDR30 30"DualBurner 70,000 60,000 8"dia.
(C)BFL(T,R)18 18"TripleBurner 65,000 55,000 8"dia.
(C)BFL(T,R)24 24"TripleBurner 70,000 60,000 8"dia.
*Add6"ifsafetyvalve/pilotisused
**Atdepthindicated


Gas Min. Max.
NG 5.5" 10.5"
LP 11" 13"

 PROPANE/LP
LOG SIZE      
18SR/DR 0.120 31 Blue 0.073 49 Red
24SR/DR/BFL18 0.129 30 Green 0.086 44
Orange
30DR/BFL24 0.1405 28 Yellow 0.089 43 Black
INSTALLATION

MODEL 
WIDTH*
BACK
WIDTH**
DEPTH HEIGHT
18DR/SR 28" 16" 14" 18"
24DR/SR 29
3
/
4
" 17" 15
1
/
2
" 18"
30DR 36" 27" 18" 18"
BFL18 28" 16" 15
1
/
2
" 18"
BFL24 30" 22" 15
1
/
2
" 18"
Figure 1 - Technical Information Charts
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901054-01M 3
CHECK GAS TYPE
YoumustinstallthisON/OFFSafetyValve/
PilotKitifyourgastypeispropane/LP.Forad-
ditionalconvenienceandsafety,thisON/OFF
SafetyValve/PilotKitcanbeusedwithnatural
gas.Ifyouareunsureoftheproperapplica-
tion,calldealerwhereyouboughtlogset.
Ifthereplacedoesnothaveagassupply
shutoffvalve,onemustbeinstalled.

  
    


-
    
     

   
  
    
   
   
the external regulator between the

Installation Items Needed
Beforeinstallinglogset,makesureyouhave
theitemslistedbelow.
• piping(checklocalcodes)
• sealant(resistanttopropane/LPgas)
• equipmentshutoffvalve*
• testgaugeconnection*
• adjustable(crescent)wrenchorpliers
• sedimenttrap
• teejoint
• pipewrench
• exiblegasline
• 10mmDeepSocket
*A CSA design-certied equipment shutoff
valvewith1/8"NPTtapisanacceptableal-
ternativetotestgaugeconnection.Purchase
theoptionalCSAdesign-certiedequipment
shutoffvalvefromyourdealer.
INSTALLATION
Continued
Forpropane/LPunits,theinstallermustsupply
anexternalregulator.Theexternalregulator
willreduceincominggaspressure.Youmust
reduceincominggaspressuretobetween11"
and14"ofwater.Ifyoudonotreduceincom-
inggaspressure, heater regulator damage
could occur. Install external regulator with
theventpointingdownasshowninFigure2.
Pointingtheventdownprotectsitfromfreez-
ingrainorsleet.
WARNING: Never connect

   
gas is commonly known as

    
     -


     
1/2" diameter or greater to allow



Installationmustincludeanequipmentshut-
offvalve,union,andplugged1/8"NPTtap.
LocateNPTtapwithinreachfortestgauge
hookup.NPTtapmustbeupstreamfromlog
set(seeFigure3,page4).
IMPORTANT:Installequipmentshutoffvalve
in an accessible location.Theequipment
shutoff valve is for turning on or shutting off
thegastotheappliance.
Figure 2 - External Regulator on
Propane/LP Supply Tank with Vent
Pointing Down
ExternalRegulator
VentPointingDown
Propane/LP
SupplyTank
www.desatech.com
901054-01M4
Checkyour building codesfor any special
requirementsforlocatingequipmentshutoff
valvetoappliance.
ApplypipejointsealantlightlytomaleNPT
threads.Thiswillpreventexcesssealantfrom
goingintopipe.Excesssealantinpipecould
resultinacloggedburnerorice.
    
sealant that is resistant to liquid

Werecommendthatyou installa sediment
trapin supply line as shown in Figure 3.
Locatesedimenttrapwhereitiswithinreach
forcleaning.Installinpipingsystembetween
fuelsupplyandheater.Locatesedimenttrap
wheretrappedmatterisnotlikelytofreeze.
Asedimenttraptrapsmoistureandcontami-
nants.Thiskeepsthemfromgoingintologset
controls.Ifsedimenttrapisnotinstalledoris
installedwrong,logsetmaynotrunproperly.
INSTALLATION
Continued
Natural Gas
FromGasMeter
(5"W.C.**to10.5"
W.C.Pressure)

FromExternal
Regulator
(11"W.C.**to14"
W.C.Pressure)
Figure 3 - Gas Connection
*PurchasetheoptionalCSAdesign-certied
equipmentshutoffvalvefromyourdealer.
**Minimuminletpressureforpurposeofinput
adjustment.
3"Minimum
SedimentTrap(Optionalfor
Propane/LPInstallation)
CSADesign-Certied
EquipmentShutoffValve*
ApprovedFlexibleGasHose
(ifallowedbylocalcodes)
Tee Joint
PipeNipple
Cap
Figure 4 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff Valve
CHECKING GAS CONNECTIONS

and connections for leaks after


WARNING: Never use an

-




PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG

1. Disconnectlogsetanditsindividualequip-
mentshutoffvalvefromgassupplypiping
system.
2. Capoffopenendofgaspipewhereequip-
mentshutoffvalvewasconnected.
3. Pressurizesupplypipingsystembyeither
opening propane/LP supply tank valve
forpropane/LPgasoropeningmaingas
valve located onor neargas meterfor
naturalgas,orusingcompressedair.
4. Checkalljointsofgassupplypipingsystem.
Applynoncorrosiveleakdetectionuidto
alljoints.Bubblesformingshowaleak.
5. Correctallleaksatonce.
6. Reconnectlogsetandequipmentshutoff
valvetogassupply.Checkreconnected
ttingsforleaks.
Test Pressures Equal To or Less Than

1. Closeequipmentshutoffvalve(seeFig-
ure4).
2. Pressurizesupplypipingsystembyeither
opening propane/LPsupplytankvalve
forpropane/LPgasoropeningmaingas
valve located onor neargas meterfor
naturalgas,orusingcompressedair.
www.desatech.com
901054-01M 5
INSTALLATION
Continued
Figure 5 - Checking Gas Joints
(Natural Gas Only)
Gas Meter
EquipmentShutoffValve
Propane/LP
SupplyTank
EquipmentShutoffValve
Figure 6 - Checking Gas Joints
(Propane/LP Gas Only)

VALVE/PILOT KIT ASSEMBLY
Natural Gas Installation
1. Thread the gas control valveonto the
burner inlet tting(see Figure7). Use
threadsealantonthemalethreadsofthe
burnerinlettting.Holdthe burnerinlet
ttingwithawrenchtopreventovertight-
eningtheconnectiontotheburner.Make
surethecontrolrodisfacingthefront(see
Figure7).
BurnerInletFitting
(containingorice)
GasControl
Valve
Burner
Pan
Assembly
Figure 7 - Installing Gas Control Valve
Control
Rod
Figure 8 - Gas Control Valve with
Thermocouple and Pilot
Thermocouple
andLine
Pilotand
Line
GasControlValve
PilotFlow
Adjustment
Screw
Figure 9 - Installing Inlet Fitting and Gas
Connector Tube
GasControlValve
GasInlet
Fitting
Gas
Connector
Tube
InletOpening
3. Checkalljointsfromgasmeterfornatu-
ralgas(Figure5)orpropane/LPsupply
(Figure6)toequipmentshutoff valve.
Applynoncorrosiveleakdetectionuidto
alljoints.Bubblesformingshowaleak.
4. Correctallleaksatonce.
2. Attachthepilotgaslinetothepilotoutlet
ofthegascontrolvalveandtighten.Con-
nectthethermocoupletotherearofthe
gascontrolvalve.SeeFigure8.Donot
overtighten.Ifusingpropane/LPgas,see
Changing Pilot Orice,page6.
3. Installtheinletttingintotheinletopen-
ingofthegascontrolvalve(seeFigure
9).Usethreadsealantonthemalepipe
threads.
4. Place the burner pan assemblyin the
center of the replaceoor. Make sure
thefrontofpanfacesforward.
www.desatech.com
901054-01M6
5. Thread the gas supplyadaptor to the
replacegassupplypipe.Adjusttomost
convenientposition.
6. Installthegasconnectortubetothegas
supply adaptor. Carefullyshape tube
andattachtogasinlettting(seeFigure
9,page5).Becarefulnottocausekinks
intube.
7. Testforleaksfollowinginstructionsinyour
hearthkitowner’smanualunderthesec-
tion Testing Burner for Leaks.
8. Retightenandadjustthelocationofthegas
controlasnecessary.Thegascontrolshould
belevel,withthecontrolrodtothefront.
9. Installcovertoburnerpanusingscrews
provided.
10.Installthermocouple,pilot,andignitoronto
valvecoverasshowninFigure10.Use
theprovidedscrews.
11.Pushthecontrolrodextensionontothe
“D”shapedcontrolrodthroughthecenter
holeinthecover.
12.Installthepositiondecalandcontrolknob
making sure to align the marks with the
correctstoppositionsofthegascontrol.
Pilotpositionwillallowtheknobtopush
inabout1/2".Alignthedecalsinthepilot
position.
INSTALLATION
Continued
Piezo
Ignitor
Control
Rod
Extension
Screw
Valve
Cover
Control
Knob
Figure 10 - Installing Cover, Control
Knob, and Piezo Ignitor
Thermocouple
Ignitor
Pilot
Figure 12 - Burner Inlet Fittings with
Injectors

GAS

PROPANE/LP

Injectorfor
Natural Gas
Injectorfor
Propane/LP
Gas
Figure 11 - Remove Burner Inlet Fitting
BurnerInlet
Fittingfor
Natural Gas
WARNING: You must use a


PROPANE/LP GAS CONVERSION
Toconvert topropane/LP gas, the burner
inletttingandpilotoricemustbereplaced.
Thepropane/LPburnerinletttingissupplied
alongwiththreecolorcodedoricespre-sized
foreach sizelogset.The propane/LPpilot
oriceis also includedand can beused to
convertallsizelogsets.Youmustinstallthe
correctsizeoriceintothepropane/LPburner
ttingusinga10mmdeepsocketdriver.

1. Removethenaturalgasburnerinlettting
fromtheburnerpanassembly(seeFigure
11).DONOTremovetheoricefromthis
tting.Thepropane/LPburnerinlettting
includedinthehardwarekithas6holes
andmustbeusedtoreplacethenatural
gasinlettting(seeFigure12).
2. Besuretousethecorrectoriceforyour
appliance. The hardware kit included
withthisappliancecontainsoriceswith
acone-likeshape.Theoricesarecolor
codedforeachrespectivesizelogsetas
indicatedbymodelnumber(see Figure
1,page2).
3. Usea10mmdeepsocketornutdriver
tothreadthenewpropane/LPoriceinto
the propane/LPburnerinlettting(see
Figure12).
www.desatech.com
901054-01M 7
4. Usingthreadsealant(resistanttotheac-
tionofpropane/LPgas)onlargerendof
tting,screwtheburnerinletttingthrough
holeand intoburner manifold.Tighten
usingawrench.
5. Followsteps1through12underNatural
Gas Installation,page5.

Thepilotisprovidedwithanaturalgasorice
installed.Forpropane/LPgasyoumustremove
itandreplaceitwithanpropane/LPorice.The
hardwarekitcontainsanpropane/LPorice
witharedstripeforconvertingthepilot.
1. Gentlyloosenandremovethepilotlinecon-
nectionfromthebracket(seeFigure13).
2. Replacetheinjector(seeFigure13)with
thepropane/LPpilotinjectorwiththered
stripe.
3. Replaceandtightenthepilotlinetothe
bracket.
4. Continuewithstep3underNatural Gas
Installation, page5.
Note:Followtheinstructionsinyourhearth
kitownersmanualunderthesection,Testing
Burner for Leaks.

Afterinstallation is complete and the unit
hasbeen ignited, itmaybe necessary to
adjustthepilot.Useasmallat-headscrew-
drivertoturntheowadjustmentscrewon
themanual controlvalve(see Figure14).
Turn the screw counterclockwise to allow
moregastooworclockwisetorestrictgas
ow.Becarefultolimittheturnsto2
1
/
2
from
thefullyclosedposition.Furtherturningcan
resultingasleakingattheadjustmentscrew
andthepilotamesizewilldiminish.The
properpilotowwillresultinastrongblue
amebetween1/2"and1"long.
INSTALLATION
Continued
Figure 13 - Installing Propane/LP Pilot
Orice
O
F
F
P
I
L
O
T
O
N
PilotInjector
PilotFlow
Adjustment
Screw
Figure 14 - Pilot Flow Adjustment Screw
www.desatech.com
901054-01M8
Pilot
Thermocouple
Figure 16 - Thermocouple and Pilot

TO APPLIANCE
1. Turncontrolknobclockwise to the
PILOTposition.
2. Pressinandturncontrolclockwise
totheOFFposition.
3. Closeequipmentshutoffvalve(seeFigure
4,page4).
OPERATING APPLIANCE


1.
STOP!Read the safety information, in
theowner’smanual includedwithyour
hearthkit.
2. Makesureequipmentshutoffvalveisfully
open.
3. Pressinandturncontrolknobclockwise
totheOFFposition.
4. Waitve(5)minutestoclearoutanygas.
Then smellfor gas aroundlogset and
nearoor.Ifyousmellgas,STOP!See
SafetyinformationandAir For Combus-
tion and Ventilation, inyour hearth kit
owner’smanual.Ifyoudon’t smellgas,
gotothenextstep.
5.
Turn control knob counterclockwise
tothePILOTpositionandpress
in.Keepcontrolknobpressedinforve
(5)seconds.
Note: You may be running this log set
for the rst time after hooking up to gas
supply. If so, control knob may need to be
pressed in for 30 seconds or more. This
will allow air to bleed from gas system.
6. Withcontrolknobpressedin,pushdown
andreleaseignitorbutton.Thiswilllight
pilot.Thepilotisattachedtotherearof
thefrontburner.Ifneeded,keeppressing
ignitorbuttonuntilpilotlights.
Note: If pilot does not stay lit, contact a
qualied service person or gas supplier
for repairs. Until repairs are made, light
pilot with match.
7. Keepcontrolknobpressedinfor30sec-
ondsafterlightingpilot.After30seconds,
releasecontrolknob.
Note: If pilot goes out, repeat steps 3
through 7.
Ifcontrolknobdoesnotpopupwhenre-
leased,contactaqualiedserviceperson
orgassupplierforrepairs.
8. Turncontrolknobcounterclockwise
totheONposition.Burner shouldlight.
If burner does not light, call a qualied
serviceperson.
9. Toleavepilotlitandshutoffburnersonly,
turncontrolknobclockwise
to the
PILOTposition.
Note: Follow the Troubleshooting section
in the owner’s manual included with your
hearth kit.
Ignitor
Pilot
FROM"PILOT"POSITION
SLIGHTPUSHTO
TURNOFF
PULLPUSH
TOLIGHT
ON
ON
FROM"PILOT"POSITION
SLIGHTPUSHTO
TURNOFF
PULLPUSH
TOLIGHT
FROM"PILOT"POSITION
SLIGHTPUSHTO
TURNOFF
PULLPUSH
TOLIGHT
ON OFF
On
Off
OFF
OFF
Figure 15 - Ignitor and Control Knob
ControlKnob
www.desatech.com
901054-01M 9
NOTES
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901054-01
Rev.M
08/08
DESAHeating,LLC
2701IndustrialDrive
BowlingGreen,KY42101
www.desatech.com
1-866-672-6040
WARRANTY
KEEP THIS WARRANTY
DESA HEATING, LLC LIMITED WARRANTIES
New Products
Standard Warranty:DESAHeating,LLCwarrantsthisnewproductandanypartsthereoftobefreefrom
defectsinmaterialandworkmanshipforaperiodofone(1)yearfromthedateofrstpurchasefroman
authorizeddealerprovidedtheproducthasbeeninstalled,maintainedandoperatedinaccordancewith
DESAHeating,LLC’swarningsandinstructions.
Forproductspurchasedforcommercial,industrialorrentalusage,thiswarrantyislimitedto90daysfrom
thedateofrstpurchase.

Limited Warranty:DESAHeating, LLCwarrantsfactoryreconditionedproductsandanypartsthereof
tobefreefromdefectsinmaterialandworkmanshipfor30daysfromthedateofrstpurchasefroman
authorizeddealerprovidedtheproducthasbeeninstalled,maintainedandoperatedinaccordancewith
DESAHeating,LLC’swarningsandinstructions.
Terms Common to All Warranties
Thefollowingtermsapplytoalloftheabovewarranties:
Alwaysspecifymodelnumberandserialnumberwhencontactingthemanufacturer.Tomakeaclaimunder
thiswarrantythebillofsaleorotherproofofpurchasemustbepresented.
Thiswarrantyisextendedonlytotheoriginalretailpurchaserwhenpurchasedfromanauthorizeddealer,
andonlywheninstalledbyaqualiedinstallerinaccordancewithalllocalcodesandinstructionsfurnished
withthisproduct.
Thiswarrantycoversthecostofpart(s)requiredtorestorethisproducttoproperoperatingconditionand
anallowanceforlaborwhenprovidedbyaDESAHeating,LLCAuthorizedServiceCenteroraprovider
approvedbyDESAHeating,LLC.Warrantypartsmustbeobtainedthroughauthorizeddealersofthisprod-
uctand/orDESAHeating,LLCwhowillprovideoriginalfactoryreplacementparts.Failuretouseoriginal
factoryreplacementpartsvoidsthiswarranty.
Travel,handling,transportation,diagnostic,material,laborandincidentalcostsassociatedwithwarranty
repairs,unlessexpresslycoveredbythiswarranty,arenotreimbursableunderthiswarrantyandarethe
responsibilityoftheowner.
Excludedfromthiswarrantyareproductsorpartsthatfailorbecomedamagedduetomisuse,accidents,
improperinstallation,lackofpropermaintenance,tampering,oralteration(s).
ThisisDESAHeating,LLC’sexclusivewarranty,andtothefullextentallowedbylaw;thisexpresswarranty
excludesanyandallotherwarranties,expressorimplied,writtenorverbalandlimitsthedurationofany
andallimpliedwarranties,includingwarrantiesofmerchantabilityandtnessforaparticularpurposetoone
(1)yearonnewproductsand30daysonfactoryreconditionedproductsfromthedateofrstpurchase.
DESAHeating,LLCmakesnootherwarrantiesregardingthisproduct.
DESAHeating,LLC’sliabilityislimitedtothepurchasepriceoftheproduct,andDESAHeating,LLCshall
notbeliableforanyotherdamageswhatsoeverunderanycircumstancesincludingindirect,incidental,or
consequentialdamages.
Somestatesdonotallowlimitationsonhowlonganimpliedwarrantylastsortheexclusionorlimitationof
incidentalorconsequentialdamages,sotheabovelimitationorexclusionmaynotapplytoyou.
Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveotherrightswhichvaryfromstatetostate.
Forinformationaboutthiswarrantycontact:
Model(
locatedonproductoridenticationtag
) _____________________________
SerialNo.(
locatedonproductoridenticationtag
) __________________________
DatePurchased __________________________
Keepreceiptforwarrantyverication.
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Desa Tech GA9050A-1 Owner's manual

Category
Fireplaces
Type
Owner's manual

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