Goodman GPG10 Manual

INSTALLATION& OPERATING
INSTRUCTIONSfor
GPG10& GPG12
SINGLEPACKAGEGAS-ELECTRIC
HEATING& COOLINGUNIT
Affix this manual and Users Information Manual adjacent to the unit.
US
ThisForcedAirCentralUnitDesignCompliesWith
RequirementsEmbodiedinTheAmericanNational
Standard/ NationalStandardofCanadaShownBelow.
ANSIZ21.47-CSA-2.3CentralFurnaces
RECOGNIZETHISSYMBOLASA SAFETYPRECAUTION.
ATTENTIONINSTALLINGPERSONNEL
Priortoinstallation,thoroughlyfamiliarizeyourselfwiththisInstallationManual.Observeallsafetywarnings.During
installationorrepair,cautionistobeobserved.
Itisyourresponsibilitytoinstalltheproductsafelyandtoeducatethecustomeronitssafeuse.
Theseinstallationinstructionscovertheoutdoor
installationofsinglepackagegaselectricheatingand
coolingunits.SeetheProductDataBookapplicableto
yourmodel*forinformationregardingaccessories.
'NOTE:Pleasecontactyourdistributororour
websitefortheapplicableproductdata
bookreferredtointhismanual.
10-245
GoodmanManufacturingCompany,L.R
2550NorthLoopWest,Suite400,Houston,TX77092
www.qoodmanmfg.com
©2004GoodmanManufacturingCompany,L.R
6/04

REPLACEMENTPARTS
ORDERINGPARTS
Whenreportingshortagesordamages,ororderingrepairparts,
givethecompleteunitmodelandserialnumbersasstamped
ontheunit'snameplate.
Replacementpartsforthisapplianceareavailablethroughyour
contractororlocaldistributor.Forthelocationofyournearest
distributor,consultthewhitebusinesspages,theyellowpage
sectionofthelocaltelephonebookorcontact:
SERVICEPARTSDEPARTMENT
GOODMANMANUFACTURINGCOMPANY,L.P.
2550NORTHLOOPWEST.SUITE400
HOUSTON.TEXAS77092
[phone]
SAFETYINSTRUCTIONS
TO THE INSTALLER
Beforeinstallingthisunit,pleasereadthismanualtofamiliarize
yourselfonthespecificitemswhichmustbeadheredto,
includingmaximumexternalstaticpressuretounit,air
temperaturerise,minimumormaximumCFMandmotorspeed
connections.
TO THE OWNER
AwarrantycertificateisprovidedwiththeunitReadthewarranty
carefullyandnotewhatiscovered.Keepthewarrantycertificate
ina safeplacesoyoucanfinditwhennecessary.
Keepthisliteratureina safeplaceforfuturereference.
IFTHEINFORMATIONINTHESEINSTRUCTIONSISNOTFOLLOWEDEXACTLY,A
FIREOREXPLOSIONMAYRESULTCAUSINGPROPERTYDAMAGE,PERSONAL
INJURYORLOSSOFLIFE.
-DoNOTSTOREORUSEGASOLINEOROTHERFLAMMABLEVAPORSAND
LIQUIDSINTHEVICINITYOFTHISORANYOTHERAPPLIANCE.
-WHATTODOIFYOUSMELLGAS:
-DONOTTRYTOLIGHTANYAPPLIANCE
-DONOTTOUCHANYELECTRICALSWITCH,DONOTUSEANY
PHONEINYOURBUILDING.
-IMMEDIATELYCALLYOURGASSUPPLIERFROMA NEIGHBOR'S
PHONE.FOLLOWTHEGASSUPPLIER'SINSTRUCTIONS.
-IfYOUCANNOTREACHYOURGASSUPPLIER,CALLTHEFIRE
DEPARTMENT.
-INSTALLATIONANDSERVICEMUSTBEPERFORMEDBYA QUALIFIEDINSTALLER,
SERVICEAGENCYORTHEGASSUPPLIER.
SHOULDOVERHEATINGOCCURORTHEGASSUPPLYFAILTOSHUTOFF,TURN
OFFTHEMANUALGASSHUTOFFVALVEEXTERNALTOTHEFURNACEBEFORE
TURNINGOFFTHEELECTRICALSUPPLY.
THISPRODUCTCONTAINSORPRODUCESA CHEMICALORCHEMICALSWHICH
MAYCAUSESERIOUSILLNESSORDEATHANDWHICHAREKNOWNTOTHE
STATEOFCALIFORNIATOCAUSECANCER,BIRTHDEFECTSOROTHER
REPRODUCTIVEHARM.
HEATINGUNITSHOULDNOTBEUTILIZEDWITHOUTREASONABLE,ROUTINE,
INSPECTION,MAINTENANCEANDSUPERVISION.|FTHEBUILIDNGINWHICHANY
SUCHDEVICEISLOCATEDWILLBEVACANT,CARESHOULDBETAKENTHAT
SUCHDEVICEISROUTINELYINSPECTED,MAINTAINEDANDMONITORED.INTHE
EVENTTHATTHEBUILDINGMAYBEEXPOSEDTOFREEZINGTEMPERATURES
ANDWILLBEVACANT,ALLWATER-BEARINGPIPESSHOULDBEDRAINED,THE
BUILDINGSHOULDBEPROPERLYWINTERIZED,ANDTHEWATERSOURCE
CLOSED.INTHEEVENTTHATTHEBUILDINGMAYBEEXPOSEDTOFREEZING
TEMPERATURESANDWILLBEVACANT,ANYHYDRONICCOILUNITSSHOULD
BEDRAINEDASWELLAND,INSUCHCASE,ALTERNATIVEHEATSOURCES
SHOULDBEUTILIZED.
TOAVOIDPROPERTYDAMAGE,PERSONALINJURYORDEATH,DONOTUSE
THISUNITIFANYPARTHASBEENUNDERWATER.IMMEDIATELYCALLA
QUALIFIEDSERVICETECHNICIANTOINSPECTTHEFURNACEANDTOREPLACE
ANYPARTOFTHECONTROLSYSTEMANDANYGASCONTROLHAVINGBEEN
UNDERWATER.
THISUNITMUSTNOTBEUSEDASA "CONSTRUCTIONHEATER"DURINGTHE
FINISHINGPHASESOFCONSTRUCTIONONA NEWSTRUCTURE.THISTYPEOF
USEMAYRESULTINPREMATUREFAILUREOFTHEUNITDUETOEXTREMELY
LOWRETURNAIRTEMPERATURESANDEXPOSURETOCORROSIVEORVERY
DIRTYATMOSPHERES.
CARBONMONOXIDEPOISONINGHAZARD
SpecialWarningforInstallationofFurnacesorAirHandlingUnitsin
EnclosedAreassuchasGarages,UtilityRoomsorParkingAreas
Carbonmonoxideproducingdevices(suchasanautomobile,space
healer,gaswaterheater,etc.)shouldnotbeoperatedinenclosedareas
suchasunventilatedgarages,utilityroomsorparkingareasbecauseof
thedangerofcarbonmonoxide(CO)poisoningresultingfromtheexhaust
emissions.Ifa furnaceorairhandlerisinstalledinanenclosedareasuch
asagarage,utilityroomorparkingareaandacarbonmonoxideproducing
deviceisoperatedtherein,theremustbeadequate,directoutside
ventilation.
ThisventilationisnecessarytoavoidthedangerofCOpoisoningwhich
canoccurifa carbonmonoxideproducingdevicecontinuestooperatein
theenclosedareaCarbonmonoxideemissionscanbe(re)circiliated
throughoutthestructureifthefurnaceorairhandlerisoperatinginany
mode
COcancauseseriousillnessincludingpermanentbraindamageordeath
B10259-216

UNITLOCATION
TOPREVENTPOSSIBLEEQUIPMENTDAMAGE,PROPERTYDAMAGE,PERSONAL
INJURYORDEATH,THEFOLLOWINGBULLETPOINTSMUSTBEOBSERVED
WHENINSTALLINGTHEUNIT.
IMPORTANTNOTE:Removewoodshippingrailspriortoinstalla-
tionoftheunit.
ALLINSTALLATIONS:
•Forproperflamepatternwithintheheatexchangerand
propercondensatedrainage,theunitmustbemounted
level.
•Theflueoutlethoodmustbeatleast12inchesfromany
openingthroughwhichfluegasescouldentera building,
andatleastthreefeetaboveanyforcedairinletlocated
withintenfeetTheeconomizer/manualfreshairintake/
motorizedfreshairintakeandcombustionairinletmounted
ontheunitarenotaffectedbythisrestriction.
•Toavoidpossiblecorrosionoftheheatexchanger,donot
locatetheunitinanareawheretheoutdoorair(i.e.
combustionairfortheunit)willbefrequentlycontaminated
bycompoundscontainingchlorineorfluorine.Common
sourcesofsuchcompoundsincludeswimmingpool
chemicalsandchlorinebleaches,paintstripper,adhesives,
paints,varnishes,sealers,waxes(whicharenotyetdried)
andsolventsusedduringconstructionandremodeling.
Variouscommercialandindustrialprocessesmayalso
besourcesofchlorine/fluorinecompounds.
•Toavoidpossibleillnessordeathofthebuildingoccupants,
doNOTlocateoutsideairintakedevice(economizer,
manualfreshairintake,motorizedfreshairintake)too
closetoanexhaustoutlet,gasventtermination,or
plumbingventoutlet.Forspecificdistancesrequired,
consultlocalcodes.
•Allowminimumclearancesfromtheenclosureforfire
protection,properoperation,andserviceaccess(see
appendix).Theseclearancesmustbepermanently
maintained.
•Thecombustionairinletandflueoutlethoodsontheunit
mustneverbeobstructed.Ifused,donotallowthe
economizer/manualfreshairdamper/motorizedfreshair
dampertobecomeblockedbysnowordebris.Insome
climatesorlocations,itmaybenecessarytoelevatethe
unittoavoidtheseproblems.
•Whentheunitisheating,thetemperatureofthereturnair
enteringtheunitmustbebetween50°F and100°F.
GROUNDLEVELINSTALLATIONSONLY:
•Whentheunitisinstalledontheground adjacenttothe
building,a levelconcrete(orequal)baseisrecommended.
Preparea basethatis3"largerthanthepackageunit
footprintanda minimumof3"thick.
•Thebaseshouldalsobelocatedwherenorunoffofwater
fromhighergroundcancollectintheunit.
OutsideSlabInstallation
ROOFTOPINSTALLATIONSONLY:
•Toavoidpossiblepropertydamageorpersonalinjury,the
roofmusthavesufficientstructuralstrengthtocarrythe
weightoftheunit(s)andsnoworwaterloadsasrequiredby
localcodes.Consulta structuralengineertodeterminethe
weightcapabilitiesoftheroof.
RooftopInstallation
•TheunitmaybeinstalleddirectlyonwoodfloorsoronClass
A,ClassB,orClassC roofcoveringmaterial.
•Toavoidpossiblepersonalinjury,a safe,flatsurfacefor
servicepersonnelshouldbeprovided.
ROOFCURBINSTALLATIONSONLY:
•Sufficientstructuralsupportmustbedeterminedpriorto
locatingandmountingthecurbandpackageunit.
•Ductworkmustbeconstructedusingindustryguidelines.The
ductworkmustbeplacedintotheroofcurbbeforemounting
thepackageunit.
•Curbinsulation,cantstrips,flashingandgeneralroofing
materialarefurnishedbythecontractor.

RoofCurbInstallation
GENERALINFORMATION
TOPREVENTPROPERTYDAMAGE,PERSONALINJURYORDEATH,DUETOFIRE,
EXPLOSIONS,SMOKE,SOOT,CONDENSATION,ELECTRICSHOCKORCARBON
MONOXIDE,THISUNITMUSTBEPROPERLYINSTALLED,REPAIRED,OPERATED,
ANDMAINTAINED.
This unit isapproved for outdoorinstallation ONLY. Toassure
thatyourunitoperatessafelyandefficiently,itmustbeInstalled,
operated,andmaintainedinaccordancewiththeseinstallationand
operatinginstructions,alllocalbuildingcodesandordinances, orin
theirabsence,withthelatesteditionoftheNationalFuelGasCode
NFPA54/ANSIZ223.1andNationalStandardofCanadaCAN/CSA
B149InstallationCodes.
Theheatingandcoolingcapacitiesoftheunitshouldbegreater
thanorequaltothedesignheatingandcoolingloadsoftheareato
beconditioned.Theloadsshouldbecalculatedbyanapproved
methodorinaccordancewithA.S.H.R.A.E.GuideorManualJ -
LoadCalculationspublishedbytheAirConditioningContractorsof
America.
Obtainfrom:
AmericanNationalStandardsinstitute
1430Broadway
NewYork,NY10018
TRANSPORTATIONDAMAGE
Checkthecartonuponarrivalforexternaldamage.Ifdamageis
found,a requestforinspectionbycarrieragentshouldbemadein
writingimmediately.
Carefullyinspecttheunitfordamageincludingdamagetothe
cabinetry.Anyboltsorscrewswhichmayhaveloosenedintransit
mustbere-tightened.Intheeventofdamage,thereceivershould:
1.Makenotationondeliveryreceiptofanyvisibledamageto
shipmentorcontainer.
2.Notifycarrierpromptlyandrequestaninspection.
3.Incaseofconcealeddamage,carriershouldbenotifiedas
soonaspossible-preferabiywithin5 days.
4.Filetheclaimwiththefollowingsupportingdocuments:
a.OriginalBillofLading, certifiedcopy,orindemnitybond.
b.Originalpaidfreightbillorindemnityinlieuthereof.
c.Originalinvoiceorcertifiedcopythereof,showingtradeand
otherdiscountsorreductions.
d.Copyoftheinspectionreportissuedbycarrier
representativeatthetimedamageisreportedtothecarrier.
Thecarrierisresponsibleformakingpromptinspectionof
damageandfora thoroughinvestigationofeachclaim.
Thedistributorormanufacturerwillnotacceptclaimsfrom
dealersfortransportationdamage.
NOTE:Wheninspectingtheunitfortransportationdamage,remove
allpackagingmaterials.Recycleordisposeofthepackagingmate-
rialaccordingtolocalcodes.
RIGGINGDETAILS
TOPREVENTPROPERTYDAMAGE,THEUNITSHOULDREMAININANUPRIGHT
POSITIONDURINGALLRIGGINGANDMOVINGOPERATIONS.ToFACILITATE
LIFTINGANDMOVINGWHENA CRANEISUSED,PLACETHEUNITINAN
ADEQUATECABLESLING.
Important:Ifusingbottomdischargewithroofcurb,ductworkshould
beattachedtothecurbpriortoinstallingtheunit.Ductworkdimen-
sionsareshowninroofcurbinstallationinstructions.
RefertotheRoofCurbInstallationInstructionsforpropercurbin-
stallation.CurbingmustbeinstalledincompliancewiththeNational
RoofingContractorsAssociationManual.
Lowerunitcarefullyontoroofmountingcurb.Whileriggingunit,cen-
terofgravitywillcausecondenserendtobelowerthansupplyair
end.

GASPIPINGNaturalGasConnection
IMPORTANTNOTE:Thisunitisfactorysettooperateonnatural
gasatthealtitudesshownontheratingplate.
TOAVOIDPROPERTYDAMAGE,PERSONALINJURYORDEATHWHENEITHER
USINGPROPANEGASALONEORATHIGHERALTITUDES,OBTAINANDINSTALL
THEPROPERCONVERSIONKIT(S).FAILURETODOSOCANRESULTIN
UNSATISFACTORYOPERATIONAND/OREQUIPMENTDAMAGE.HLGHALTITUDE
KITSAREFORU.S.INSTALLATIONSONLYANDARENOTAPPROVEDFORUSE
INCANADA.
Theratingplateisstampedwiththemodelnumber,typeofgasand
gasinputrating.Makesuretheunitisequippedtooperateonthe
typeofgasavailable.ConversiontoLPgasispermittedwiththe
useofthefactoryauthorizedconversionkitLPT-OOA.
InletGasPressureMustNotExceedtheMaximumValueShowninTable
Above.
Theminimumsupplypressureshouldnotvaryfromthatshownin
thetableabovebecausethiscouldpreventtheunitfromhaving
dependableignition.Inaddition,gasinputtotheburnersmustnot
exceedtheratedinputshownontheratingplate.Overfiringofthe
unitcouldresultinprematureheatexchangerfailure.
HIGHALTITUDEDERATE(U.S.INSTALLATIONSONLY)
IMPORTANTNOTE:Thegas/electricunitsnaturallyderatewithal-
titude.Donotattempttoincreasethefiringratebychangingorifices
orincreasingthemanifoldpressure.Thiscancausepoorcombus-
tionandequipmentfailure.Atallaltitudes,themanifoldpressure
mustbewithin0-3inchesW.C.ofthatlistedonthenameplatefor
thefuelused.Atallaltitudesandwitheitherfuel,theairtempera-
turerisemustbewithintherangelistedontheunitnameplate.
RefertotheInstallationManualprovidedwiththeLPkitfor
conversionfromnaturalgastopropanegasandforaltitude
adjustments.
PIPING
IMPORTANTNOTE:Toavoidpossibleunsatisfactoryoperationor
equipmentdamageduetounderfiringofequipment,donotunder-
sizethenatural/propanegaspipingfromthemeter/tanktotheunit.
Whensizinga trunklineasshowninTable2,includeallappliances
onthatlinethatcouldbeoperatedsimultaneously.
Theratingplateisstampedwiththemodelnumber,typeofgasand
gasinputrating.Makesuretheunitisequippedtooperateonthe
typeofgasavailable.Thegaslineinstallationmustcomplywith
localcodes,orintheabsenceoflocalcodes,withthelatestedition
oftheNationalFuelGasCodeNFPA54/ANSIZ223.1.
HeatingValueofGas(BTU/Cubic_Foot)
RefertotheProperPipingPracticedrawingforthegenerallayoutat
theunit.Thefollowingrulesapply:
1.Useblackironpipeandfittingsforthesupplypiping.The
useofa flexconnectorand/orcopperpipingispermittedas
longasitisinagreementwithlocalcodes.
2.Usepipejointcompoundonmalethreadsonly.Pipejoint
compoundmustberesistanttotheactionofthefuelused.
3.Useground jointunions.
4.Installa driplegtotrapdirtandmoisturebeforeitcanenter
thegasvalve.Thedriplegmustbea minimumofthreeinches
long.
5.Usetwopipewrencheswhenmakingconnectiontothegas
valvetokeepitfromturning.
6.Installa manualshut-offvalveina convenientlocation(within
sixfeetofunit)betweenthemeterandtheunit.
7.Tightenalljointssecurely.
8.Theunitmustbeconnectedtothebuildingpipingbyoneof
thefollowingmethods:
Rigidmetallicpipeandfittings
•Semirigidmetallictubingandmetallicfittings(Aluminumalloy
tubingmustnotbeusedinexteriorlocations)
Listedgasapplianceconnectorsusedinaccordancewith
thetermsoftheirlistingthatarecompletelyinthesame
roomastheequipment
•Inthepriortwomethodsabovetheconnectorortubing
mustbeprotectedfromphysicalandthermaldamage.
Aluminumalloytubingandconnectorsmustbecoatedto
protectagainstexternalcorrosionwhenincontactwith
masonry,plasterorinsulationoraresubjecttorepeated
wettingsbyliquids(water- notrainwater,detergentsor
sewage)
6

ProperPipingPractice
NOTE:Theunitgassupplyentranceisfactorysealedwithplugs.
Keepplugsinplaceuntilgassupplyisreadytobeinstalled.Once
ready,replacetheplugswiththesuppliedgrommetsandinstallgas
supplyline.
GASPIPINGCHECKS
TOPREVENTPROPERTYDAMAGEORPERSONALINJURYDUETOFIRE,THE
FOLLOWINGINSTRUCTIONSMUSTBEPERFORMEDREGARDINGGAS
CONNECTIONSANDPRESSURETESTING:
•THEUNITANDITSGASCONNECTIONSMUSTBELEAKTESTEDBEFORE
PLACINGINOPERATION.BECAUSEOFTHEDANGEROFEXPLOSIONOR
FIRE,NEVERUSEA MATCHOROPENFLAMETOTESTFORLEAKS.NEVER
EXCEEDSPECIFIEDPRESSURESFORTESTING.HIGHERPRESSUREMAY
DAMAGEGASVALVEANDCAUSEOVERFIRINGWHICHMAYRESULTIN
PREMATUREHEATEXCHANGEFAILURE.
•THISUNITANDITSSHUT-OFFVALVEMUSTBEDISCONNECTEDFROM
THEGASSUPPLYDURINGANYPRESSURETESTINGOFTHATSYSTEMAT
TESTPRESSURESINEXCESSOF1/2PSIG(3.48KPA).
•THISUNITMUSTBEISOLATEDFROMTHEGASSUPPLYSYSTEMBY
CLOSINGITSMANUALSHUT-OFFVALVEDURINGANYPRESSURE
TESTINGOFTHEGASSUPPLYPIPINGSYSTEMATTESTPRESSURES
EQUALTOORLESSTHAN1/2PSIG(3.48KPA).
TOAVOIDPROPERTYDAMAGEORPERSONALINJURY,BESURETHEREIS
NOOPENFLAMEINTHEVICINITYDURINGAIRBLEEDING.
Therewillbeairinthegassupplylineaftertestingforleakson
anewinstallation.Therefore,theairmustbebledfromtheline
bylooseningthegroundjointunionuntilpuregasisexpelled.
Tightenunionandwaitforfiveminutesuntilallgashasbeen
dissipatedintheair.Becertainthereisnoopenflameinthe
vicinityduringairbleedingprocedure.Theunitisplacedin
operationbyclosingthemainelectricaldisconnectswitchfor
theunit.
PROPANEGASINSTALLATIONS
TOAVOIDPROPERTYDAMAGE,PERSONALINJURYORDEATHDUETOFIRE
OREXPLOSIONCAUSEDBYA PROPANEGASLEAK,INSTALLA GAS
DETECTINGWARNINGDEVICE.SINCERUSTCANREDUCETHELEVEL
OFODORANTINPROPANEGAS,A GASDETECTINGWARNINGDEVICE
ISTHEONLY RELIABLEWAYTODETECTA PROPANEGASLEAK.
CONTACTA LOCALPROPANEGASSUPPLIERABOUTINSTALLINGA
GASDETECTINGWARNINGDEVICE.
IMPORTANTNOTE:Propanegasconversionkitsmustbe
installedtoconvertunitstopropanegas.SeetheProductData
Bookapplicabletoyourmodel*forkitpartnumberforthismodel.
Allpropanegasequipmentmustconformtothesafetystandards
oftheNationalBoardofFireUnderwriters(SeeNBFUManual
58).
Forsatisfactoryoperation,propanegassupplypressuremust
bewithin9.7- 10.3inchesW.C.atthemanifoldwithallgas
appliancesinoperation.Maintainingpropergaspressure
dependsonthreemainfactors:
1.Vaporizationrate,whichdependson(a)temperatureofthe
liquid,and(b)wettedsurfaceareaofthecontaineror
containers.
2.Properpressureregulation.
3.Pressuredropinlinesbetweenregulators,andbetween
secondstageregulatorandtheappliance.Pipesizerequired
willdependonlengthofpiperunandtotalloadofall
appliances.
TANKSANDPIPING
Completeinformationregardingtanksizingforvaporization,
recommendedregulatorsettingsandpipesizingisavailable
frommostregulatormanufacturersandpropanegassuppliers.
Sincepropanegaswillquicklydissolvewhiteleadormost
standardcommercialcompounds,specialpipedopemustbe
used.Shellacbasecompoundsresistanttotheactionsof
liquefiedpetroleumgasessuchasGasolac,Stalactic,Clyde's
orJohnCranearesatisfactory.
Seebelowfortypicalpropanegaspiping.
*NOTE;Pleasecontactyourdistributororourwebsitefortheapplicableproductdatabookreferredtointhismanual.
7

SizingBetweenFirstandSecondStageRegulator
MaximumPropaneCapacitieslistedarebasedon1 PSIGPressureDropat10
PSIGSetting,Capacitiesin1.000BTU/HR
Table3 - PropaneGasPipeSizing
TOPREVENTPROPERTYDAMAGEORSERIOUSPERSONALINJURYDUETO
FIREOREXPLOSIONCAUSEDBYA PROPANEGASLEAK,INSTALLA GAS
DETECTINGWARNINGDEVICE.
IFTHEPROPANEGASUNITISINSTALLEDINANEXCAVATEDAREAORA
CONFINEDSPACE,A WARNINGDEVICEISREQUIREDDUETO:
•PROPANEGASISHEAVIERTHANAIRANDANYLEAKINGGASCAN
SETTLEINANYLOWAREASORCONFINEDSPACES.
•PROPANEGASODORANTMAYFADE,MAKINGTHEGASUNDETECTABLE
EXCEPTWITHA WARNINGDEVICE.
ELECTRICALWIRING
THERMOSTATLOCATION
Mountthethermostatapproximatelyfivefeetabovethefloor,
inanareathathasaninside,vibration-freewallandhasgood
aircirculation.
Movementofairmustnotbeobstructedbyfurniture,door,
draperies,etc.Thethermostatmustnotbemountedwhereit
willbeaffectedbydrafts,hotorcoldwaterpipesorairductsin
walls,radiantheatfromfireplace,lamps,thesun,television,
etc. ConsulttheInstructionSheetpackagedwiththermostatfor
mountinginstructions.
Allunitshaveonestageofheatingandonestageofmechanical
cooling.Unitswhichwillhaveeconomizersmayusethermostats
withoneortwostagesofcooling.
ToAVOIDINJURY,ELECTRICALSHOCKORDEATH,DISCONNECTELECTRICAL
POWERBEFORESERVICINGORCHANGINGANYELECTRICALWIRING.
Theunitsaredesignedforoperationon60hertzcurrentandat
voltagesasshownontheratingplate.Allinternalwiringinthe
unitiscomplete.Itisnecessarytobringinthepowersupplyto
thecontactorasshownontheunitwiringdiagramwhichis
suppliedwitheachunit-24voltwiringmustbeconnected
betweentheunitcontrolpanelandtheroomthermostat.
LowVoltageWiring
Refertotheunitwiringdiagramforelectricalconnections.When
installed,theunitmustbeelectricallygroundedinaccordance
withlocalcodesorintheabsenceoflocalcodes,withthe
NationalElectricalCode,ANSI/NFPANo.70,and/ortheCSA
C22.1ElectricalCode.Ensurelowvoltageconnectionsare
waterproof.
TOAVOIDTHERISKOFELECTRICALSHOCK,WIRINGTOTHEUNITMUSTBE
POLARIZEDANDGROUNDED.
TOAVOIDPROPERTYDAMAGEORPERSONALINJURYDUETOFIRE,USE
ONLYCOPPERCONDUCTORS.
TOPREVENTIMPROPERANDDANGEROUSOPERATIONDUETOWIRINGERRORS,
LABELALLWIRESPRIORTODISCONNECTIONWHENSERVICINGCONTROLS.
VERIFYPROPEROPERATIONAFTERSERVICING.
Forunitprotection,usea fuseorHACRcircuitbreakerthatisin
excessofthecircuitampacity,butlessthanorequaltothe
maximumovercurrentprotectiondevice.DONOTEXCEEDTHE
MAXIMUMOVERCURRENTDEVICESIZESHOWNONUNIT
DATAPLATE.

Alllinevoltageconnectionsmustbemadethroughweatherproof
fittings.Allexteriorpowersupplyandground wiringmustbein
approvedweatherproofconduitLowvoltagewiringfromthe
unitcontrolpaneltothethermostatrequirescodedcable.See
belowforgroundlevelandrooftopwiring.
Note:Junctionboxlocation
shownisoptionalandis
forillustrationpurposesonly.
ElectricalPowerDirectlyToJunctionBox
From
Unit
TypicalThermostatand
Unit24V WiringHookup
CIRCULATINGAIRANDFILTERS
AIRFLOWCONVERSION
Unitscaneasilybeconvertedfromhorizontaltodown-discharge
airflowdelivery.Indown-dischargeorhighstaticinstallations,
theinstallershouldmeasurethetotalexternalstaticandreview
theblowerperformancechartsbeforeperformingtheinstallation.
Insomeinstallationsitwillbenecessarytochangetheblower
speedtoprovideproperairflow.
HorizontalAirFlow
Removesupplyandreturnductcoverswhichareattachedto
theunitasshownbelow.
ElectricalPowerRoutedThroughBottomofUnit
TypicalElectricalWiringUnitVoltage
UNITVOLTAGE
Theunittransformerisfactoryconnectedfor230Voperation.
Iftheunitistooperateon208V,reconnectthetransformer
primaryleadandinduceddraftblowermotorleadsasshown
ontheunitwiringdiagram.
HEATANTICIPATORSETTING
Theheatanticipatoristobesetbymeasuringtheload
(amperage)atthe"R"circuit.Followtheinstructionsprovided
bythethermostatformoredetails.
Removethesecovers
forhorizontalduct
applications
Removethesepanels
fordownflowduct
applications
DuctCoverInstallation

DownDischargeApplications
Cutinsulationaroundbottomopeningsandremovepanelsfrom
thebottomoftheunit,savingthescrewsholdingthepanelsin
place.
DUCTWORK
Ductsystemsandregistersizes mustbeproperlydesignedfor
theC.F.M.andexternalstaticpressureratingoftheunit.
Ductworkshouldbedesignedinaccordancewiththe
recommendedmethodsofAirConditioningContractorsof
AmericaManualD (Residential)orManualQ (Commercial).
Allductworkexposedtotheoutdoorsmustincludea
weatherproofbarrierandadequateinsulation.
AductsystemshouldbeinstalledinaccordancewithStandards
oftheNationalBoardofFireUnderwritersfortheInstallationof
AirConditioning,WarmAirHeatingandVentilatingSystems.
PamphletsNo.90Aand90B.
Thesupplyductfromtheunitthrougha wallmaybeinstalled
withoutclearance.However,minimumunitclearancesasshown
intheappendixmustbemaintained.Thesupplyductshould
beprovidedwithanaccesspanellargeenoughtoinspectthe
airchamberdownstreamoftheheatexchanger.A covershould
betightlyattachedtopreventairleaks,
ForductflangedimensionsontheunitrefertotheUnit
Dimensionillustrationintheappendix.
Fordown-dischargeapplications,theductworkshouldbe
attachedtotheroofcurbpriortoinstallingtheunit.Ductwork
dimensionsareshownintheroofcurbinstallationmanual.
Ifdesired,supplyandreturnductconnectionstotheunitmay
bemadewithflexibleconnectionstoreducepossibleunit
operatingsoundtransmission.
FILTERS
ToPREVENTPROPERTYDAMAGEDUETOFIREANDLOSSOF
EQUIPMENTEFFICIENCYOREQUIPMENTDAMAGEDUETODUSTANDLINT
BUILDUPONINTERNALPARTS,NEVEROPERATEUNITWITHOUTANAIR
FILTERINSTALLEDINTHERETURNAIRSYSTEM.
Eventhougha returnairfilterisnotsuppliedwiththisunit,
theremustbea meansoffilteringallreturnair.The*PG1248
and*PG1260modelsareprovidedwithinternalfilterracksfor
down-dischargeapplications.Allunitsmaybeexternallyfiltered.
Refertotheunitfiltersizechartintheappendixforfiltersize
information.
Filtersinstalledexternaltotheunitshouldbesizedin
accordancewiththeirmanufacturerrecommendations.A
throwawayfiltermustbesizedfora maximumfacevelocityof
300feetperminute.
FilterInstallation
Important:Wheninstallinga filter,theairflowarrowsonthe
filtermustpointtowardthecirculatorblower.
VENTING
NOTE:Ventingisself-contained.Donotmodifyorblock.
FLUEHOODINSTALLATION
Installthefluehoodandbugscreenpriortooperationofthe
unit.
Toinstallthefluehoodcoverandbugscreen:
1.Removethefluehoodandbugscreenfrominsidetheheat
exchangercompartment.
2.Slidethebugscreenovertheflangesofthefluehoodand
attachthefluehoodandscreentotheunitwiththesheet
metalscrewsprovided.
FlueHoodandBugScreenInstallation
CONDENSATEDRAIN
CONDENSATEDRAINCONNECTION
A3/4"NPTdrainconnectionissuppliedforcondensatepiping.An
externaltrapmustbeinstalledforpropercondensatedrainage.
DRAIN
CONNECTION
APOSITIVELIQUID
SEALISREQUIRED
DrainConnection
NORMALSEQUENCESOFOPERATION
HEATING
Thisunitisequippedwithanignitioncontrolthatautomatically
lightsthemainburner.DONOTattempttolightthemain
burnersbyanyothermethod.
1.Thermostatcallsforheat.Theinduceddraftblower
energizesfora 15-secondpre-purge.
2.Thesparkigniterandgasvalveenergizesfor7 seconds.
NOTE:Theigniterproducesa veryintenseelectricalspark
thatignitesthegas.
3.The30-secondHEATFANONdelaytimebegins.
4.Theunitdeliversheattotheconditionedspaceuntilthe
thermostatissatisfied.
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