Rinnai Controller Manual: MC-91-1US & MCC-91-2 Installation and Troubleshooting Guide

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Temperature Controller

MC-91-1US & MCC-91-1US

Dimensions (inches): 3.5 W x 4.75 H x 0.75 D

The MC-91 controller is the standard temperature controller that is supplied with the water heater. On indoor models it is integrated into the front panel. The MCC-91 controller is for commercial and hydronic applications requiring higher temperatures. When the MCC-91 controller is connected, these higher temperatures are available on all controller models in the system. Refer to the section on temperature ranges.

In Use

Indicator

Temperature

Display

Temperature

Selection

Priority

Indicator

Priority Button

ON/OFF Button

VB Series Indoor LS Manual

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Contents REU-VB2528FFUD-US Table of Contents RL75i RL94i R98LSi SpecificationsSafety Definitions Consumer Safety InformationSafety Behaviors and Practices Safety Features Description of OperationMC-91-1US & MCC-91-1US Temperature ControllerFeatures Features Available on Temperature ControllersOperating Instructions MC-91 MCC-91 MC-100 BC-100 MC-502 DescriptionModel Temperature Settings Available ºF How to Set the TemperatureTemperature Controller Settings Setting the Sound Volume Voice Prompt Temperature Options Without a Temperature ControllerRe-setting the Maximum Temperature RL75 and RL94 only MCC-91 Temperature ControllerOverview Using the Water Smart / Bath Fill FunctionSetting the Water Volume Setting the Clock Setting Controller to MuteFilling the Tub Models MC-91 and MCC-91Maintenance Code Fault Remedy Error CodesCode Water Quality Trouble Shooting for Common IssuesAccessing Operating Information Circulating Pump Flushing the Heat Exchanger Error Code LC orGeneral Instructions Installation InstructionsAttachment of the Water Heater Clearances from ApplianceGeneral Instructions Electrical ConnectionGas Piping Pipe Sizing Procedure Example Pressure Relief Valve Installation Instructions Isolation Valves Installation InstructionsPressure Relief Valve Maintenance Water PipingFreeze Protection Piping RequirementsPressure Relief Valve Requirements Manual draining of the water heater When the water heater or external piping has frozenFreeze Protection KEY Freeze Protection PipingRinnai Water Heater Recommended Piping for Basic InstallationFor this application Recommended Piping for Circulation SystemsCondensate Venting InstructionsIntake / Exhaust Guidelines Maximum Vent Length Manufacturer Product Parts Vent ProductsFlue Terminal Clearances ANS Z21.10.3, CSA Description Canadian Installations US InstallationsInside Corner Additional Clearances Vent TerminalFlue Installation Concentric Venting RL75i, RL94i Air Intake Assembly Flue Installation R98LSi, R98LSi-ASMEExhaust Pipe Assembly Venting Clearances to CombustiblesVertical Terminations Horizontal with Concentric TerminationHigh 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 OperatingOutlet Flow Data Technical DataPressure Drop Curve Replacement Temperature SettingSpace Heating PumpsRL75i, RL94i R98LSi, R98LSi-ASME DimensionsLadder Diagram for RL75i and RL94i HOT Ladder Diagram for R98LSi and R98LSi-ASMEConsumer Support Warranty InformationLimited Warranty What will Rinnai do? Important In the State of Massachusetts 248 CMR 4.00 State RegulationsInstructions dutilisation Instructions d’installationTemp. d’eau Instructions dutilisationModel Plages de température disponible ºF Plages de température avec un contrôleur de températureOptions de température sans contrôleur à distance Nettoyage EntretienInstructions générales Fixation du chauffe-eau Écartements par rapport à lappareilInstructions générales Installation à altitude élevéeTuyauterie de gaz Valve à Bille / Valve de dégagement de pression RL75i, RL94i Tuyauterie deauSoupape de sûreté Qualité de leauLégende Tuyauterie recommandée pour installation de baseCondensat Instructions de ventilationConsignes pour aspiration/évacuation 12.5 m 10.7 m Longueur maximum de ventilationHorizontale Produits de ventilationConstructeur Produit Pièces Nest PAS Permise Espacements pour terminaison de cheminée ANS Z21.10.3, CSAInstallation de conduit de cheminée RL75i, RL94i Ensemble de prise dair Installation de conduit de cheminée R98LSi, R98LSi-ASMEMontage du tuyau dévacuation Terminaisons horizontalesTerminaisons verticales Terminaison horizontale concentriqueVanneMa ualmanuelleValve Instructions dutilisationPhase Diagramme en escalier RL75i, RL94iPhase TRE NEU RAL Diagramme en escalier R98LSi, R98LSiASMEInformations sur la garantie Support à la clientèleQuest-ce qui est couvert ? Combien de temps dure la couverture ?Que fait Rinnai pour exercer la garantie ? VB Series Indoor LS Manual VB Series Indoor LS Manual VB Series Indoor LS Manual VB2528FFU VB2735FFU VA3237FFU