Installation Manual
Installation
6│Page
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/CSA B149.1 Natural Gas,
PropaneInstallationCodeinCanada.
2. Themanifoldgas pressureispresetatthefactory.It
iscomputercontrolledandshouldnot
needadjustment.
3. Maintainproperspaceforservicing.Installtheunitsothatitcanbeconnectedorremoved
easily.Refertop.8,p.9andp.10forproperclearances.
4. Theelectricalconnectionrequiresameansofdisconnection,toterminatepowertothewater
heaterforservicingandsafetypurposes.
5. Ifyouwillbeinstallingtheunitinacontaminatedareawithahighlevelofdust,sand,flour,
aerosolsorothercontaminants/chemicals,theycanbecomeairborneandenterandbuildup
withinthefanandbur nercausingdamagetotheunit.
6. Particles from flour, aerosols, and other contaminants may cl og the air vent or reduce the
functionsof therotating fanand causeimproper burningof thegas. Regularlyensure thatthe
area around the unit is dust‐ or debris‐free; regular maintenance is recommended for these
typesofenvironment.
7. Donotinstalltheunitwheretheexhaustventispointing intoanyopeninginabuildingorwhere
the noise may disturb your neighbors. Make sure the vent termination meets the required
distancebylocalcodefromanydoorwayoropeningtopreventexhaustfromenteringabuilding
(refer
top.15).
INCLUDEDACCESSORIES
Check that the installation manual, thecommunication cable, the warrantycard and the TH‐PA01 PVC
adaptorareincludedwiththeunit(theadaptorcomeswiththeT‐H2‐DVmodel only).
Fordetailsonhowtoconnecttheadaptor,refertoP.13.
1.Manual
2.Communicationcable
3.WarrantyCard
4.TH‐PA01PVCadaptor
(T‐H2‐DVmodelonly)
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