Takagi T?K4?IN User Manual

Installation
6│Page
INSTALLATION
GENERAL
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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.
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2. Allgaswaterheatersrequirecarefulandcorrectinstallationto
ensuresafeandefficient
operation.Thismanualmustbefollowedexactly.Readthe“SafetyGuidelines”section.
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3. Themanifoldgaspressureispresetatthefactory.Itiscomputercontrolledandshouldnot
needadjustment.
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4. Maintainproperspaceforservicing.Installtheunitsothatitcanbeconnected
orremoved
easily.RefertotheClearancesSectiononp.8forproperclearances.
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5. Thewaterheatermustbeinstalledinalocationwheretheproperamountofcombustibleair
willbeavailabletoitatalltimeswithoutobstructions.
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6. Theelectricalconnectionrequiresameansofdisconnection, toterminatepowertothewater
heaterforservicingandsafetypurposes.
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7. Donotinstalltheunitwheretheexhaustventispointingintoanyopeninginabuildingorwhere
thenoisemaydisturbyourneighbors.Makesuretheventterminationmeetstherequired
distancebylocalcodefromanydoorwayoropeningtopreventexhaustfromenteringabuilding
(refer
top.15).
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8. Particlesfromflour,aerosols,andothercontaminantsmayclogtheairventorreducethe
functionsoftherotatingfanandcauseimproperburningofthegas.Regularlyensurethatthe
areaaroundtheunitisdust‐ordebris‐free;regularmaintenanceisrecommendedforthese

typesofenvironment.
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9. Ifyouwillbeinstallingthewaterheaterinacontaminatedareawithahighlevelofdust,sand,
flour,aerosolsorothercontaminants/chemicals,theycanbecomeairborneandenterandbuild
upwithinthefanandburnercausingdamagetothewaterheater.
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10. FortheT‐KJr2‐IN,T‐K4‐IN,andT‐D2‐INmodels:
• Theseunitsmaybeconv ertedtoadirect‐vent(sealedcombustion)appliancebyinstalling a
direct‐ventconversionkit(PartNo. TK‐TV10)whichwillbringinallrequiredcombustibleair
from outside the building.When
 installing the TK‐TV10 conversion kit, please follow all
instructionsincludedwiththekit.
• Ifthewaterheaterisusedasadirect‐ventappliance, theunitrequiresa3”combustibleair
supply pipe. Theintakepipe mustbesealed airtight. Air supply pipe can bemadeof ABS,
PVC, galvanized steel, corrugated aluminum, corrugated stainless steel or Category III
stainlesssteel.
• Terminatingtheventingthroughasidewallisrecommendedforthedirect‐ventsystem.
• Runningtheexhaustventandtheintakepipeparallelisrecommended.
• Terminating the exhaust and intake on the same wall / surface
 is recommended.
Terminating in the same pressure zone allows for pressure balancing, which prevents
nuisanceshutdowns.
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11. ForT‐KJr2‐OS,T‐K4‐OS,&T‐D2‐OS:
• Tobeinstalledoutdoorsandonlyinareaswithmild,temperateclimates.

Takagi T?K4?IN Specifications

General

Brand	Takagi
Model	T?K4?IN
Category	Water Heater
Language	English