A.O. Smith 310 - INTRODUCTION; GENERAL INSTALLATION GUIDELINES

TroubleshootingGuide
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2.INTRODUCTION
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Thismanualprovidesthenecessaryinformation fortroubleshootingthe110(T‐KJr2),310(T‐K4),510(T‐
D2)tanklesswaterheaters.Itwillbeeffectiveinhelpingyourtroubleshootingneedsaslongasthe
instructionsarefollowedintheintendedorder.Hereishowtousethismanual:
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• First
refertotheInstallationManualastheprimarysourceofinformation.Refertoitalongside
thismanualthroughoutthetroubleshootingprocess.
• Beforetroubleshooting,ifyouareunfamiliarwithhowatanklessunitoperates,readtheNormal
Operationsection(p.5).
• Todouble‐check/troubleshootanewinstallation,use
theProperInstallationsection(p.6).
• Whenbeginningtroublesh ooting,firstgothroughthePreliminaryChecklist(p.7);itisdesigned
tofixthemostcommonandfrequentproblems,andprovideyouwithbackgroundinforma tion
tohelpnarrowdowntheinformationyouneed.
• AfterthePreliminaryChecklist,movetotheErrorCo dessection(p.12)ifyouhavereceivedan
errorcode,ortoGeneralProblems(p.8)ifyouhavenotreceivedanerrorcode.
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Ifyouhaveanyproblemsorquestionsregardingthisequipment,oratanypointbecomeconfusedor
uncomfortablewithanyoftheprocedures,consult
withthetechnicalservice departmentorservice
agent.
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IMPORTANT
• Installationandservicemustbeperformedbyaqualifiedinstaller(for
example,alicensed plumberorgasfitter).Otherwisethewarrantywill
bevoid.
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• Theinstaller/serviceagent(licensedprofessional)isresponsiblefor
correctlyinstallingorservicingyourwaterheaterandforcompliance
withallnational,state/provincial,andlocalcodes.
*ForallunitsinstalledinthestateofMassachusetts,itisrequiredthattheinstallereitherbea
licensedplumberorlicensedgasfitter.
GENERALINSTALLATIONGUIDELINES
1. Follow all local codes, or in the absence of local codes, follow the most recent edition of the
NationalFuelGasCode:ANSIZ223.1/NFPA54intheUSAorCAN/CSAB149.1NaturalGas,Propane
InstallationCodeinCanada.
2. Properlygroundthe unitinaccordancewith alllocalcodesorin
theabsenceoflocal codes,with
the National Elec tricalCodes:ANSI/NFPA 70in the USA or CSA standard C22.1Canada Electrical
CodePart1inCanada.
3. Carefullyplanwhereyouintendtoinstallyourwaterheater.
4. ChecktheratingplateforthecorrectGASTYPE,GASPRESSURE,WATER
PRESSURE
andELECTRICRATING.
*Ifthisunitdoesnotmatchyourrequir ements,donotinstall.
5. Ifanyproblemshouldoccur,turnoffallhotwatertapsandturnoffthe
gas.Thencallatrainedtechnicianorthegascompan y.
WARNING
RATING
PLATE
Figure1