Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 55

Warning, Caution

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INSTALLATION INSTRUCTIONS Leak Testing WARNING:Neveruseanopenflameto testforgasleaks,becausedeath,personalinjury, and/orpropertydamagecanresult. ThewaterheateranditsgasconnectionsMUSTbe leak-testedatnormaloperatingpressuresbeforethe unitisplacedinoperation.Thesetestsshouldalso includeallfactoryconnections.  Turnonthegasshut-offvalve(s)tothewaterheater. Useasoapywatersolutiontotestforleaksatall theconnectionsandfittings.Ifbubblesareseen,it indicatesagasleakthatmustbecorrected. Contactaqualifiedservicetechnician. Pressure Testing the Gas Supply System CAUTION:Installagaspressureregulator inthegassupplyline.Thisregulatorshouldnot exceedthemaximumsupplypressure.DONOTusean industrial-typegasregulator. Thewaterheateranditsmanualgasshut-offvalve mustbedisconnectedfromthegassupplypiping systemwheneverthepressuretestingwillexceed 1/2psi(14in.w.c.[3.5kPa]). Thewaterheatermustbeisolatedfromthegaspiping systemwheneverthepressuretestingwillbelessthan and/orupto1/2psi(14in.w.c.[3.5kPa]).Closingthe manualgasshut-offvalvewillisolatethewaterheater fromthegaspipingsystem. Gas Supply 55

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55
INSTALLATION INSTRUCTIONS
Leak Testing
WARNING:
±Never±use±an±open±flame±to±
test±for±gas±leaks,±because±death,±personal±injury,±
and/or±property±damage±can±result.
The±water±heater±and±its±gas±connections±MUST±be±
leak-tested±at±normal±operating±pressures±before±the±
unit±is±placed±in±operation.±These±tests±should±also±
include±all±factory±connections.
±
Turn±on±the±gas±shut-off±valve(s)±to±the±water±heater.
Use±a±soapy±water±solution±to±test±for±leaks±at±all±
the±connections±and±fittings.±If±bubbles±are±seen,it±
indicates±a±gas±leak±that±must±be±corrected.
Contact±a±qualified±service±technician.
Pressure Testing the Gas Supply
System
CAUTION:
±Install±a±gas±pressure±regulator±
in±the±gas±supply±line.±This±regulator±should±not±
exceed±the±maximum±supply±pressure.±DO±NOT±use±an±
industrial-type±gas±regulator.
The±water±heater±and±its±manual±gas±shut-off±valve±
must±be±disconnected±from±the±gas±supply±piping±
system±whenever±the±pressure±testing±will±exceed±±
1/2±psi±(14±in.±w.c.±[3.5±kPa]).
The±water±heater±must±be±isolated±from±the±gas±piping±
system±whenever±the±pressure±testing±will±be±less±than±
and/or±up±to±1/2±psi±(14±in.±w.c.±[3.5±kPa]).±Closing±the±
manual±gas±shut-off±valve±will±isolate±the±water±heater±
from±the±gas±piping±system.
Gas Supply