Rinnai RL75i REU-VC2528FFUD-US User Manual

6 VCSeriesManual
Environment
Airsurroundingthewaterheater,venƟng,and vent
terminaƟon(s)isusedforcombusƟonandmustbe
freeofanycompoundsthatcausecorrosionof
internalcomponents.Theseincludecorrosive
compoundsthatarefoundinaerosolsprays,
detergents,bleaches,cleaningsolvents,oilbased
paints/varnishes,andrefrigerants.Theair
inbeauty
shops,drycleaningstores,photoprocessinglabs,and
storageareasforpoolsuppliesoŌencontainsthese
compounds.Thereforeitisrecommendedthat
outdoormodelsbeusedfortheselocaƟonswhere
possible.
Thewaterheater,venƟng,andventterminaƟon(s)
shouldnotbeinstalledinany
areaswheretheairmay
containthesecorrosivecompounds.Ifitisnecessary
forawaterheatertobelocatedinareaswhichmay
containcorrosivecompounds,thefollowing
instrucƟonsarestronglyrecommended.
IMPORTANTCONSIDERATIONSFOR:
 Indoor/InternalWaterHeaters
x DONOTInstallinareaswhereairforcombusƟon
canbecontaminatedwithchemicals.
x BeforeinstallaƟon,considerwhereairhasthe
abilitytotravelwithinthebuildingtothewater
heater.
x Wherepossible,installthewaterheaterina
sealedclosetsothatitisprotectedfromthe
potenƟalofcontaminatedindoorair.
x Chemicalsthatarecorrosiveinnatureshouldnot
bestoredorusednearthewaterheater.
 Outdoor/ExternalWaterHeatersandVent
TerminaƟonsofIndoor/InternalWaterHeaters
x Installthewaterheaterasfarawayaspossible
fromexhaustventhoods.
x Installasfarawayaspossiblefromairinlet
vents.Corrosivefumesmaybereleasedthrough
theseventswhenairisnotbeingbroughtin
throughthem.
x Chemicalsthatarecorrosiveinnatureshouldnot
bestoredorusednearthewaterheaterorvent
terminaƟon.
Damageandrepairduetocorrosivecompoundsin
theairisnotcoveredbywarranty.
ConsideraƟonofcareforyourwaterheatershould
includeevaluaƟonofwaterquality.
Water
thatcontainschemicalsexceedingthelevels
belowaīectanddamagetheheatexchanger.
Replacementoftheheatexchangerduetowater
qualitydamageisnotcoveredbythewarranty.
 MaximumLevel
TotalHardness Upto200mg/L
Aluminum* Upto0.2mg/L
Chlorides* Upto250mg/L
Copper* Upto1.0mg/L
Iron* Upto0.3mg/L
Manganese* Upto0.05mg/L
pH* 6.5to8.5
TDS(TotalDissolvedSolids)* Upto500mg/L
Zinc* Upto5mg/L
DetermineInstallaƟonLoca Ɵon
WaterQuality
*Source:Part143NaƟonalSecondaryDrinkingWater
RegulaƟons
Ifyouinstallthiswaterheaterinanareathatis
knowntohavehardwaterorthatcausesscalebuildͲ
upthewatermustbetreatedand/ortheheat
exchangerflushedregularly.
WhenscalebuildͲupintheheatexchangerbeginsto
aīecttheperformanceofthewater
heater,a
diagnosƟccode“LC#”willdisplay.Flushtheheat
exchangertopreventdamagetoit.Scalebuildupis
causedbyhardwatersetatahightemperature.
Rinnaiprovidesa“ScaleControlSystem”thatoīers
superiorlimescaleprevenƟonandcorrosioncontrol
byfeedingablend
ofcontrolcompoundsintothe
coldwatersupply.
Youmustensurethatclearanceswillbemetandthat
theventlengthwillbewithinrequiredlimits.
ConsidertheinstallaƟonenvironment, waterquality,
andneedforfreezeprotecƟon.Requirementsforthe
gasline,waterlines,electricalconnecƟon,and
condensatedisposalcanbefoundintheirrespecƟve
installaƟonsecƟonsofthismanual.
103000022 103000023 103000024
Installedoncold
waterlinesupplying
1tanklesswater
heateronly
WholehomeorLight
CommercialsupplyͲ
ing1tanklesswater
heater
WholehomesupplyͲ
ing2tanklesswater
heatersor1tankless
inLightCommercial
Refill103000025 Refill103000026 Refill103000026

Rinnai RL75i REU-VC2528FFUD-US Specifications

General

Model Number	RL75i REU-VC2528FFUD-US
Type	Tankless
Fuel Type	Natural Gas or Propane
Flow Rate	7.5 GPM
Energy Factor	0.82
Ignition Type	Electronic
Venting	Direct Vent
Warranty	5 years parts