Install Instructions
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. Themanifoldgaspre s sureispresetatthefactory.It
iscomputercontrolledandshouldnot
needadjustment.
3. Maintainproperspaceforservicing.Installtheunitsothatitcanbeconnectedorremoved
easily.Refertop.8,p.9andp.10forproperclearances.
4. Theelectricalconnectionrequiresameansofdisconnection,toterminatepowertothewater
heaterforservicingandsafetypurposes.
5. Ifyouwillbein stallingtheunitinacontaminatedareawithahighlevelofdust,sand,flour,
aerosolsorothercontaminants/chemicals,theycanbecomeairborneandenterandbuildup
withinthefanandburnercausingdamagetotheunit.
6. Particles from flour, aerosols, and other contaminants may clog the air vent or reduce the
functions of the rotatingfanandcauseimproperburningofthegas.Regularlyensurethatthe
area around the unit is dust‐ or debris‐free; regular maintenance is recommended for these
typesofenvironment.
7. Donotinstalltheunitwheretheexhaustventispointingintoanyopeninginabuildingorwhere
the noise may disturb your neighbors. Make sure the vent termination meets the required
distancebylocalcodefromany doorwayoropeningtopreventexhaustfromenteringabuilding
(refer
top.15).
INCLUDEDACCESSORIES
Checkthattheinstallationmanual,thecommunicationcable,theproductregistrationcardandthePVC
adaptorareincludedwiththeunit(theadapto rcomeswiththeDirectVentIndoormodelsonly.
Fordetailsonhowtoconnecttheadaptor,refertoP.14.
1.Manual
2.Communicationcable
520(T‐H2)modelsonly
3.ProductRegistrationCard
4.PVCadaptor
DirectVentIndoormodelsonly
Qty:1
Qty:1
Q
t
y
:1
Qty:1