Rinnai RL75i REU-VC2528FFUD-US User Manual

2 VCSeriesManual
TableofContents
Thisisthesafetyalertsymbol.ThissymbolalertsyoutopotenƟalhazardsthatcankillorhurtyou
andothers.

IndicatesanimminentlyhazardoussituaƟonwhich,ifnotavoided,willresultindeathor
seriousinjury.
IndicatesapotenƟallyhazardoussituaƟonwhich,ifnotavoided,couldresultindeathor
seriousinjury.
IndicatesapotenƟallyhazardoussituaƟonwhich,ifnotavoided,couldresultinminoror

moderateinjury.ItmayalsobeusedtoalertagainstunsafepracƟces.
DANGER
CAUTION
WARNING
TableofContents.....................................................2
SafetyBehaviorsandPracƟcesforthe
ConsumerandInstaller............................................3
InstallaƟonInstrucƟons
(forthelicensedprofessional)..............................4
 PrepareforInstallaƟon......................................5
 DetermineInstallaƟonLocaƟon........................6
 ChecklisttoDetermineInstallaƟonLocaƟon...12
 MounttoWall..................................................12
 RemovetheFrontPanel..................................12
 InstallaƟonofVenƟng(indoormodelsonly)...13
 Condensate(indoormodelsonly)...................15
 ChecklistforVenƟngandCondensate
 (indoormodelsonly)........................................15
 InstallaƟonofPlumbing...................................16
 ChecklistforPlumbing.....................................
19
 InstallaƟonofGasSupply................................19
 ConnectElectricity...........................................21
 AdjustforHighAlƟtude...................................21
 AdjustforVentLength(indoormodelsonly)..21
 ChecklistforGasandElectricity......................21
 InstallaƟonofTemperatureController...........22
 FinalChecklist..................................................24
Technical
Data........................................................25
 SpecificaƟons...................................................25
 Dimensions......................................................26
 PressureDropandWaterFlowCurves............27
 LadderDiagram................................................28
 RecirculaƟonMode..........................................29
OperaƟonInstrucƟons........................................31
 ConsumerOperaƟonGuidelinesforthe
SafeOperaƟonofyourWaterHeater..............
32
 HowtoUsetheTemperatureController.........33
 HowtoSettheTemperature...........................34
 DiagnosƟcCodes..............................................36
 RequiredMaintenance....................................39
 FlushingtheHeatExchanger.....................41
 ManualDrainingoftheWaterHeater......42
StateRegulaƟons....................................................43
ReplacementParts.................................................44

ConsumerWarranty...............................................45
FrenchVersion........................................................48
ImportantSafetyInformaƟon
SafetyDefiniƟons
NOTICE: RinnaisomeƟmessharescustomercontactinformaƟonwithbusinessesthatwebelieveprovide
productsorservicesthatmaybeusefultoyou.ByprovidingthisinformaƟon,youagreethatwecan
shareyourcontactinformaƟonforthispurpose.IfyouprefernottohaveyourinformaƟon
sharedwith
thesebusinesses,pleasecontactcustomerserviceandasknottohaveyourinformaƟonshared.We
willhowever,conƟnuetocontactyouwithinformaƟonrelevanttotheproduct(s)youregisteredand/
oryouaccountwithus.
IfyouhaveanyquesƟonsorfeelthatthemanual
isincompletecontactRinnaiat1Ͳ800Ͳ621Ͳ9419.

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