6 VCSeriesManual
Environment
Airsurroundingthewaterheater,venƟng,and vent
terminaƟon(s)isusedforcombusƟonandmustbe
freeofanycompoundsthatcausecorrosionof
internalcomponents.Theseincludecorrosive
compoundsthatarefoundinaerosolsprays,
detergents,bleaches,cleaningsolvents,oilbased
paints/varnishes,andrefrigerants.Theair
inbeauty
shops,drycleaningstores,photoprocessinglabs,and
storageareasforpoolsuppliesoŌencontainsthese
compounds.Thereforeitisrecommendedthat
outdoormodelsbeusedfortheselocaƟonswhere
possible.
Thewaterheater,venƟng,andventterminaƟon(s)
shouldnotbeinstalledinany
areaswheretheairmay
containthesecorrosivecompounds.Ifitisnecessary
forawaterheatertobelocatedinareaswhichmay
containcorrosivecompounds,thefollowing
instrucƟonsarestronglyrecommended.
IMPORTANTCONSIDERATIONSFOR:
Indoor/InternalWaterHeaters
x DONOTInstallinareaswhereairforcombusƟon
canbecontaminatedwithchemicals.
x BeforeinstallaƟon,considerwhereairhasthe
abilitytotravelwithinthebuildingtothewater
heater.
x Wherepossible,installthewaterheaterina
sealedclosetsothatitisprotectedfromthe
potenƟalofcontaminatedindoorair.
x Chemicalsthatarecorrosiveinnatureshouldnot
bestoredorusednearthewaterheater.
Outdoor/ExternalWaterHeatersandVent
TerminaƟonsofIndoor/InternalWaterHeaters
x Installthewaterheaterasfarawayaspossible
fromexhaustventhoods.
x Installasfarawayaspossiblefromairinlet
vents.Corrosivefumesmaybereleasedthrough
theseventswhenairisnotbeingbroughtin
throughthem.
x Chemicalsthatarecorrosiveinnatureshouldnot
bestoredorusednearthewaterheaterorvent
terminaƟon.
Damageandrepairduetocorrosivecompoundsin
theairisnotcoveredbywarranty.
ConsideraƟonofcareforyourwaterheatershould
includeevaluaƟonofwaterquality.
Water
thatcontainschemicalsexceedingthelevels
belowaīectanddamagetheheatexchanger.
Replacementoftheheatexchangerduetowater
qualitydamageisnotcoveredbythewarranty.
MaximumLevel
TotalHardness Upto200mg/L
Aluminum* Upto0.2mg/L
Chlorides* Upto250mg/L
Copper* Upto1.0mg/L
Iron* Upto0.3mg/L
Manganese* Upto0.05mg/L
pH* 6.5to8.5
TDS(TotalDissolvedSolids)* Upto500mg/L
Zinc* Upto5mg/L
DetermineInstallaƟonLoca Ɵon
WaterQuality
*Source:Part143NaƟonalSecondaryDrinkingWater
RegulaƟons
Ifyouinstallthiswaterheaterinanareathatis
knowntohavehardwaterorthatcausesscalebuildͲ
upthewatermustbetreatedand/ortheheat
exchangerflushedregularly.
WhenscalebuildͲupintheheatexchangerbeginsto
aīecttheperformanceofthewater
heater,a
diagnosƟccode“LC#”willdisplay.Flushtheheat
exchangertopreventdamagetoit.Scalebuildupis
causedbyhardwatersetatahightemperature.
Rinnaiprovidesa“ScaleControlSystem”thatoīers
superiorlimescaleprevenƟonandcorrosioncontrol
byfeedingablend
ofcontrolcompoundsintothe
coldwatersupply.
Youmustensurethatclearanceswillbemetandthat
theventlengthwillbewithinrequiredlimits.
ConsidertheinstallaƟonenvironment, waterquality,
andneedforfreezeprotecƟon.Requirementsforthe
gasline,waterlines,electricalconnecƟon,and
condensatedisposalcanbefoundintheirrespecƟve
installaƟonsecƟonsofthismanual.
103000022 103000023 103000024
Installedoncold
waterlinesupplying
1tanklesswater
heateronly
WholehomeorLight
CommercialsupplyͲ
ing1tanklesswater
heater
WholehomesupplyͲ
ing2tanklesswater
heatersor1tankless
inLightCommercial
Refill103000025 Refill103000026 Refill103000026