Installation
6│Page
INSTALLATION
GENERAL
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/C SA B149.1 Natural Gas,
PropaneInstallationCodeinCanada.
2. Allgaswaterheatersrequirecarefulandcorrectinstallationto
ensuresafeandefficient
operation.Thismanualmustbefollowedexactly.Readthe“SafetyGuidelines”se ction.
3. Themanifoldgaspre s sureispresetatthefactory.Itiscomputercontrolledandshouldnot
needadjustment.
4. Maintainproperspaceforservicing.Installtheunitsothatitcanbe
connectedorremo ved
easily.RefertotheClearancesSectiononp.9forproperclearances.
5. Thewaterheatermustbeinstalledinalocationwheretheproperamountofcombustibleair
willbeavailabletoitatalltimeswithoutobstructions.
6. Theelectricalconnectionrequiresameansofdisconnection,toterminatepowertothewater
heaterforservicingandsafetypurposes.
7. Donotinstalltheunitwheretheexhaustventispointingintoanyopeninginabuildingorwhere
thenoisemaydisturbyourneighbors.Makesuretheventterminationmeetstherequired
distancebylocalcodefromanydoorwayoropeningtopreventexhaustfromenteringabuilding
(refer
top.15).
8. Particlesfromflour,aerosols,andothercontaminantsmayclogtheairventorreducethe
functionsoftherotatingfanandcauseimproperburningofthegas.Regularlyensurethatthe
areaaroundtheunitisdust‐ordebris‐free;regularmaintenanceisrecommendedforthese
typesofenvironment.
9. Ifyouwillbein stallingthewaterheaterinacontaminatedareawithahighlevelofdust,sand,
flour,aerosolsorothercontaminants/chemicals,theycanbecomeairborneandenterandbuild
upwithinthefanandburnercausingdamagetothewaterheater.
10. Forthe110Indoor(T‐KJr2‐IN),310Indoor(T‐K4‐IN)and510Indoor(T‐D2‐IN)models:
Theseunitsmaybeconvertedtoadire ct‐vent(sealedcombustion)appliancebyinstallinga
direct‐vent conversion kit Part No. 9007667005 (TK‐TV10) which will bring in all required
combustible air fromoutside thebuilding.When installingthe direct‐vent conversion kit,
pleasefollowallinstructionsincludedwiththekit.
Ifthewaterheaterisusedasadirect‐ventappliance,theunitrequiresa3”combustibleair
supply pipe. Theintakepipe mustbesealed airtight.Air
supply pipecan be made of ABS,
PVC, galvanized steel, corrugated aluminum, corrugated stainless steel or Category III
stainlesssteel.
Terminatingtheventingthroughasidewallisrecommendedforthedirect‐ventsystem.
Runningtheexhaustventandtheintakepipeparallelisrecommended.
Terminating the exhaust and
intake on the same wall / surface is recommended.
Terminating in the same pressure zone allows for pressure balancing, which prevents
nuisanceshutdowns.
11. Forthe110Outdoor(T‐KJr2‐OS),310Outdoor(T‐K4‐OS)and510Outdoor(T‐D2‐OS)models:
Tobeinstalledoutdoorsandonlyinareaswithmild,temperateclimates.
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