Rinnai Tankless Water Heater Manual: RL75E and RL94E Operation and Installation Instructions

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The VB series (RL75e and RL94e) are certified for installation in manufactured (mobile) homes.

Outdoor Tankless Water Heater

Operation and Installation Manual


RL75e	REU-VB2528WD-US
RL94e	REU-VB2735WD-US
R98LSe	REU-VA3237W-US
R98LSe-ASME ...REU-VA3237W-ASME
FOR OUTDOOR APPLICATIONS ONLY
Table of Contents		2
Consumer Safety Information		...4
Operating Instructions		5
Maintenance		11
Error Codes		12
Installation Instructions		16
Consumer Support		39
French Version		42

WARNING If the information in these instructions is not followed exactly, a fire or explosion may

result causing property damage, personal injury or death.

ANS Z21.10.3

●

CSA 4.3

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Contents REU-VB2528WD-US Table of Contents RL75e RL94e R98LSe R98LSe-ASME SpecificationsSafety Definitions Consumer Safety InformationSafety Behavior and Practices Safety Features Features Features Available on Temperature ControllersDescription of Operation Operating InstructionsMC-91-1US & MCC-91-1US Temperature ControllerTemperature Controller Settings How to Set the TemperatureSetting the Sound Volume Voice Prompt Temperature Options Without a Temperature ControllerRe-setting the Maximum Temperature RL75 and RL94 only MCC-91 Temperature ControllerSetting the Water Volume Using the Water Smart / Bath Fill FunctionOverview Setting the Clock Setting Controller to MuteFilling the Tub Models MC-91 and MCC-91Maintenance Code Fault Remedy Error CodesCode Accessing Operating Information Trouble Shooting for Common IssuesWater Quality Circulating Pump Flushing the Heat Exchanger Error Code LC orGeneral Instructions Installation InstructionsAttachment of the Water Heater Clearances from ApplianceGas Piping Electrical ConnectionGeneral Instructions Pipe Sizing Procedure Example Pressure Relief Valve Installation Instructions Isolation Valves Installation InstructionsPressure Relief Valve Maintenance Water PipingFreeze Protection Pressure Relief ValveFreeze Protection When the water heater or external piping has frozenManual draining of the water heater KEY Freeze Protection PipingRinnai Water Heater Recommended Piping for Basic InstallationFor this application Recommended Piping for Circulation SystemsFlue Terminal Clearances ANS Z21.10.3, CSA Description Canadian Installations US Installations Additional Clearances High Altitude Installations Connecting Multiple Water HeatersNumber Connected Accessories Necessary Water Heaters GuidelinesCanada only Configurations Temperature Controller InstallationLocation Cable Lengths and SizeOutline of Remote Mounting the ControllerOperating Instructions For Your Safety Read Before OperatingPressure Drop Curve Technical DataOutlet Flow Data Replacement Temperature SettingSpace Heating PumpsDimensions Ladder Diagram for RL75e and RL94e HOT Ladder Diagram for R98LSe and R98LSe-ASMELimited Warranty Warranty InformationWhat is covered? Consumer SupportWhat will Rinnai do? How do I get service? What is not covered?Limitation on warranties Important In the State of Massachusetts 248 CMR 4.00 State RegulationsOu lappel 1-866-RINNAI1 Temp. d’eau Instructions dutilisationOptions de température sans contrôleur à distance Plages de température avec un contrôleur de températureLes températures suggérées sont de Entretien Instructions générales Fixation du chauffe-eau Écartements par rapport à lappareilRaccordement électrique Tuyauterie de gaz Installations à haute altitudeInstructions générales Tuyauterie deau Valve de dégagement de pression Instructions d’InstallationSoupape de sûreté Qualité de leauNiveau maximum Espacements pour terminaisons de cheminée ANS Z21.10.3, CSA Réf Description Installations Canada Installations USA Légende Tuyauterie recommandée pour installation de baseVanneMa ualmanuelleValve Instructions dutilisationPhase Diagramme en escalier RL75e, RL94eB C Diagramme en escalier R98LSe, R98LSeASMEInformations sur la garantie Support à la clientèleQuest-ce qui est couvert ? Combien de temps dure la couverture ?Limitation sur les garanties Que fait Rinnai pour exercer la garantie ?VB2528W VB2735W VA3237W

REU-VB2528WD-US

REU-VA3237W-US

R98LSe-ASME ...REU-VA3237W-ASME

FOR OUTDOOR APPLICATIONS ONLY