Installation Manual

InitialOperation
34│Page
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• ChecktheGASandWATERCONNECTIONSforleaksbeforefiringunitforthefirsttime.
• Openthemaingassupplyvalvetotheunitusingonlyyourhandtoavoidanyspark.Neveruse
tools.Iftheknobwillnotturnbyhand,donottrytoforceit;
callaqualifiedservicetechnician.
Forcedrepairmayresultinafireorexplosionduetogasleaks.
• Besuretocheckforthepresenceofleakinggastowardthebottomoftheunitbecausesome
gasesareheavierthanairandmaysettletowardsthefloor.
• Check
theGASPRESSURE.Refertop.17.
• Donottrytolighttheburnermanually.Itisequippedwithanelectronicignitiondevicewhich
automaticallylightstheburner.
• CheckforPROPERVENTINGandCOMBUSTIBLEAIRtotheT‐H2‐DV/T‐H2‐OS.
• PurgetheGASandWATERLINES
toremoveanyairpockets.
• Donotusethiswaterheaterifanyparthasbeensubmersedunderwater.Immediatelycalla
qualifiedservicetechniciantoinspectthewaterheaterandtoreplaceanydamagedparts.
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INITIALOPERATION
1. Once the above checks
have been completed,
please clean filter of any
debris. Refer to p. 40 for
instructions.
2. Fully open the manual
water control valve on the
watersupplyline.
3. Open a hot water tap to
verify that water is
flowingtothattap.
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Thenclosethehotwatertap.
4. Fullyopenthemanualgas
controlvalveinstalled.
5. Turn on the 120 volt 60 Hz
power supply to the T‐H2‐
DV/T‐H2‐OSwaterheater.
6. Now you are ready to
enjoy hours of endless
hotwater.
FORYOURSAFETY,READBEFOREOPERATING
IFYOUSMELLGAS:
• DonottrytostarttheT‐H2‐DV/T‐H2‐OS.
• Donottouchanyelectricswitches;donotuseanyphoneinyourbuilding.
• Immediatelycallyourgassupplierfromaneighbor’s phone.Followthegas
supplier’sinstructions.
• Ifyoucannotreachyourgassupplier,call
thefiredepartment.
CAUTION