Rinnai RC80I, RC98I, RC98E, RC80E Temperature Controllers Models, MC-91-1US & MCC-91-1US

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Temperature Controllers - Models

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

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Manual - Rinnai Condensing Water Heaters

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Contents Tankless Water Heater Operation and Installation Manual ANS Z21.10.3 CSATable of Contents Specifications RC80i RC80e RC98i RC98eConsumer Safety Information Safety DefinitionsSafety Behavior and Practices Safety Features Description of Operation Features Available on Temperature ControllersFeatures Operating InstructionsTemperature Controllers Models MC-91-1US & MCC-91-1USHow to Set the Temperature Temperature Controller SettingsModel Temperature Settings Available ºF Re-setting the Maximum Temperature Temperature Options Without a Temperature ControllerSetting the Sound Volume Voice Prompt MCC-91 Temperature ControllerBath Fill Temperature Settings Available Using the Water Smart / Bath Fill FunctionSetting the Water Volume OverviewFilling the Tub Setting Controller to MuteSetting the Clock Models MC-91 and MCC-91Maintenance Error Codes Code Fault RemedyOver Temperature CodeTrouble Shooting for Common Issues Accessing Operating InformationWater Quality Flushing the Heat Exchanger Error Code LC or Clean ThermistorsCirculating Pump Installation Instructions General InstructionsClearances from Appliance Attachment of the Water HeaterGas Piping Error Indication or Air Handler Control SwitchElectrical Connection General InstructionsPipe Sizing Procedure Example Pressure Relief Valve Maintenance Isolation Valves Installation InstructionsPressure Relief Valve Installation Instructions Water PipingPressure Relief Valve Freeze ProtectionWhen the water heater or external piping has frozen Freeze Protection PipingManual draining of the water heater Recommended Piping for Basic Installation Refer to the Condensate section in the venting instructionsRecommended Piping for Circulation Systems For this applicationIntake / Exhaust Guidelines Additional installation requirementsVenting Instructions CondensateMaximum Vent Length Vent ProductsManufacturer Product Parts Description Canadian Installations US Installations Flue Terminal Clearances ANS Z21.10.3, CSAAdditional Clearances Vent Terminal RC80i, RC98i Inside CornerS ID E R N E R Flue Installation RC80i, RC98i Number of Connected Water Heaters Accessories Necessary Connecting Multiple Water HeatersHigh Altitude Installations GuidelinesCanada only Location Temperature Controller InstallationConfigurations Cable Lengths and SizeMounting the Controller Outline of RemoteFor Your Safety Read Before Operating Operating InstructionsTechnical Data Pressure Drop CurveOutlet Flow Data Space Heating Temperature SettingReplacement PumpsDimensions RC80i, RC80eLadder Diagram State Regulations Important In the State of Massachusetts 248 CMR 4.00What is covered? Warranty InformationLimited Warranty Consumer SupportHow do I get service? What is not covered? What will Rinnai do?Limitation on warranties Instructions d’installation Instructions dutilisationInstructions dutilisation Chaud BrûlureModel Plages de température disponible ºF Plages de température avec un contrôleur de températureOptions de température sans contrôleur à distance Les températures suggérées sont deEntretien Instructions d’installation Instructions généralesÉcartements par rapport à lappareil Fixation du chauffe-eauRC80i, RC98i Installations à haute altitude Tuyauterie de gaz Instructions généralesValve de dégagement de pression Instructions d’Installation Tuyauterie deauValve à Bille / Valve de dégagement de pression Qualité de leau Soupape de sûretéNiveau maximum Tuyauterie recommandée pour installation de base LégendeInstructions de ventilation Consignes pour aspiration/évacuationCondensat Longueur de ventilation maximum 12.5 m 10.7 mProduits de ventilation Manufacturer ProductEspacement pour terminaison de cheminée ANS Z21.10.3, CSA Nest PAS PermiseInstallation de conduit de cheminée RC80i, RC98i Instructions dutilisation VanneMa ualmanuelleValveDiagramme en escalier Phase NeutreQuest-ce qui est couvert ? Support à la clientèleInformations sur la garantie Combien de temps dure la couverture ?Que fait Rinnai pour exercer la garantie ? Limitation sur les garantiesManual Rinnai Condensing Water Heaters U290-665X0300

RC80E, RC80I, RC98E, RC98I specifications

The Rinnai RC80E, RC98I, RC98E, and RC80I are high-efficiency tankless water heaters that exemplify leading-edge technology and engineering. Designed to meet the demands of modern households, these units provide continuous hot water while offering energy savings and compact sizes.

Starting with the RC80E, this model features a maximum flow rate of 8 gallons per minute, making it suitable for smaller homes or multi-family settings. It incorporates Rinnai's Circ-Logic technology, allowing homeowners to customize their hot water recirculation. This means users can schedule hot water availability, ensuring comfort while minimizing water waste.

The RC98I and RC98E models elevate performance, boasting a maximum flow rate of 9.8 gallons per minute. The "I" in RC98I stands for internal, indicating its built-in temperature control and Wi-Fi connectivity options. This allows for remote monitoring and control via a smartphone app, enhancing user convenience. In contrast, the "E" in RC98E indicates it has an external setting, providing flexibility for homeowners seeking installation options that cater to their specific needs.

All four models feature Rinnai’s condensing technology, which utilizes a dual heat exchanger design for superior efficiency. This not only lowers energy costs but also reduces CO2 emissions, aligning with eco-friendly standards. Additionally, they operate at an impressive Uniform Energy Factor (UEF), which is crucial for energy-conscious homeowners.

Safety is a significant consideration in Rinnai’s design philosophy. The RC80E, RC98I, RC98E, and RC80I come equipped with multiple safety features, including overheating protection and venting safeguards, ensuring peace of mind during operation. Their compact size allows for versatility in installation, fitting into tight spaces and freeing up valuable room in your home.

Moreover, these water heaters are designed for longevity, featuring a durable construction that resists corrosion. Rinnai's commitment to quality is evident in their extensive warranty, proving their confidence in the product’s reliability.

In summary, the Rinnai RC80E, RC98I, RC98E, and RC80I units represent a blend of advanced technology, efficiency, and convenience. With significant flow rates, innovative features like Circ-Logic and Wi-Fi compatibility, as well as robust safety measures, they are an excellent choice for any homeowner looking to enhance their hot water experience while promoting energy efficiency.