Rinnai RC80E Operation And Installation Manual

Rinnai RC80E Operation And Installation Manual

Tankless water heater
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Register your product at www.rinnairegistration.com or
call 1-866-RINNAI1 (746-6241)
ANS Z21.10.3
CSA 4.3
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
WARNING: If the information in these instructions is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or death.
- Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
- WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in
your building.
Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire
department.
- Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
Tankless Water Heater
Operation and Installation Manual
FOR INDOOR APPLICATIONS ONLY
RC80i .................. REU-KA2530FFUD-US
RC98i .................. REU-KA3237FFUD-US
FOR OUTDOOR APPLICATIONS ONLY
RC80e ................. REU-KA2530WD-US
RC98e ................. REU-KA3237WD-US
Table of Contents .................... 2
Operating Instructions .............. 5
Maintenance ............................ 11
Error Codes ............................. 12
Consumer Support ................... 41
French Version ........................ 43

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Summary of Contents for Rinnai RC80E

  • Page 1: Table Of Contents

    Operation and Installation Manual FOR INDOOR APPLICATIONS ONLY RC80i ... REU-KA2530FFUD-US RC98i ... REU-KA3237FFUD-US FOR OUTDOOR APPLICATIONS ONLY RC80e ... REU-KA2530WD-US RC98e ... REU-KA3237WD-US Table of Contents ... 2 Consumer Safety Information .. 4 Operating Instructions ... 5 Maintenance ... 11 Error Codes ...
  • Page 2: Table Of Contents

    Outlet Flow Data ... 36 Space Heating ... 37 Dimensions ... 38 Ladder Diagram ... 39 State Regulations ... 40 Consumer Support Warranty Information ... 41 Limited Warranty ... 41, 42 French Version ... 43-62 Manual - Rinnai Condensing Water Heaters ... 27...
  • Page 3: Specifications

    * Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature. ** for commercial and hydronic applications requiring higher temperatures Rinnai is continually updating and improving products. Therefore, specifications are subject to change without prior notice.
  • Page 4: Consumer Safety Information

    If the fuse blows then all indicator lamps will be off. • Fusible Link: In case the overheat feature does not prevent the temperature from rising then the fusible link will break shutting off the appliance. Manual - Rinnai Condensing Water Heaters...
  • Page 5: Operating Instructions

    The Rinnai water heater is one of the most advanced water heaters available. It provides a continuous supply of hot water at a preset temperature. This appliance is a condensing tankless, direct vent appliance where air is brought in from the outside and combustion gases are exhausted to the outside.
  • Page 6: Temperature Controller

    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.
  • Page 7: How To Set The Temperature

    This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied or when more than 1 tap is in use. The water heater can deliver water at only one temperature setting at a time.
  • Page 8: Temperature Controller Settings

    Water temperatures over 125º F (52º C) can cause severe burns or scalding. Refer to the Danger Alert on water temperatures. Rinnai shall not, in any event, be liable for damages resulting from such misuse or misapplication. Suggested temperatures are •...
  • Page 9: Using The Water Smart / Bath Fill Function

    The green Priority light will glow indicating that this controller is controlling the temperature and that the Rinnai water heater is ready to supply hot water. 2.Press the “Water Smart Bath Fill” button to set the water volume and temperature.
  • Page 10: Filling The Tub

    When Other Taps Are Open NOTICE Manual - Rinnai Condensing Water Heaters To stop the water flow during the Bath Fill function, press the “Water Smart / Bath Fill” button. The button will flash and the voice prompt will announce, “Hot water is not available.
  • Page 11: Maintenance

    The flame must burn with a clear, blue, stable flame. See the parts breakdown of the burner for the location of the view ports. The flame pattern should be as shown in the figures below. Manual - Rinnai Condensing Water Heaters...
  • Page 12: Error Codes

    The Rinnai water heater has the ability to check its own operation continuously. If a fault occurs, an error code will flash on the Display of the temperature controller. This assists with diagnosing the fault and may enable you to overcome a problem without a service call. Please identify the code displayed when inquiring about service.
  • Page 13 Ensure you have at least the minimum flow rate required to fire unit. Ensure turbine spins freely. Measure the resistance of the water flow control sensor. Check for DC shorts at components. Manual - Rinnai Condensing Water Heaters...
  • Page 14: Trouble Shooting For Common Issues

    Off” button press the ▲ button. The last 9 error codes will flash one after the other. To exit this mode press the “On/Off” and ▲ button as before. To display the water flow through the water heater press and hold the ▲ button for 2 seconds and without releasing the ▲ button press the “On/Off” button.
  • Page 15: Flushing The Heat Exchanger

    Cleaning solution is 4 gallons of undiluted virgin, food grade, white vinegar. 3/4" Ball Valve 3/4" Union Check Valve Pressure Relief Valve Circulating Pump Manual - Rinnai Condensing Water Heaters Pressure Regulator Circulating Pump Boiler Drain Valve Solenoid Valve Rinnai Water Heater...
  • Page 16: Installation Instructions

    Rinnai highly recommends all installers attend a product knowledge class. For information on a Rinnai Training Course or for questions on installation call 1-800-621- 9419. General Instructions WARNING Do not use substitute materials.
  • Page 17: Clearances From Appliance

    Ensure that the attachment strength is sufficient to support the weight. Refer to the weight of the water heater in the Specifications section. NOTE: Rinnai water heaters should be installed in an upright position. Do not install upside down or on its side. RC80e, RC98e...
  • Page 18: Electrical Connection

    National Electrical Code, ANSI/NFPA 70 and/or the CSA C22.1, Canadian Electrical Code. Error Indication or Air Handler Control Switch When using the Rinnai water heater with an Error Indication Switch, switch No. 4 in the bank of 8 switches should be in the off position. This is the default position.
  • Page 19: Pipe Sizing Procedure - Example

    Capacity in Thousands of BTU per Hour Length 1 1/4 1 1/2 1060 1580 1090 Manual - Rinnai Condensing Water Heaters . The gas input of the RC98i is Schedule 40 Metallic Pipe 11.0 inches W.C. Pipe Size (inches) 1150 1 1/4...
  • Page 20: Water Piping

    Please note that only the PRV in this package is certified by CSA International as an approved item. Manual - Rinnai Condensing Water Heaters Pressure Relief Valve (PRV) PRV Discharge Outlet Hot Ball Valve Drain Handle...
  • Page 21: General Instructions

    • Ensure that the water filter on the Rinnai water heater is clean and installed. • The relief valve should be added to the hot water outlet line according to the manufacturer’s...
  • Page 22: Freeze Protection Piping

    If the water heater is not going to be used during a period of possible freezing weather, it is recommended that the water inside the water heater be drained.
  • Page 23: Recommended Piping For Basic Installation

    Boiler Drain Valve accordance with all local building codes. Confer with local building officials before installation. Solenoid Valve Manual - Rinnai Condensing Water Heaters Rinnai Equipment List Rinnai Water Heaters RIK-KIT (Optional) (3/4"...
  • Page 24: Recommended Piping For Circulation Systems

    Pump to be of bronze or stainless construction. Condensate drain line IMPORTANT: Connect the building return line to the hot water supply line as close as possible to the Rinnai Water Heater. 3/4" Ball Valve 3/4" Union Check Valve Pressure Relief Valve Tank Water Heater to be Sized for Heat Loss of Circulation Loop.
  • Page 25: Venting Instructions Intake / Exhaust Guidelines

    NOTICE If it becomes necessary to access an enclosed vent system for service or repairs, Rinnai is not responsible for any costs or difficulties in accessing the vent system. Warranty does not cover obtaining access to an enclosed vent system.
  • Page 26: Maximum Vent Length

    Corr/Guard Vent/Air Intake System Heat-Fab Telephone: 800-772-0739 Fax: 413-863-4803 E-mail: custsvc@heat-fab.com Web Site: www.heatfab.com Manual - Rinnai Condensing Water Heaters 11 ft 4 5 ft 4 (3.4 m) (1.5 m) Switch No. Notes 1234 Parts Metal-Fab Inc. Telephone: 800-835-2830 316-943-2351...
  • Page 27: Flue Terminal Clearances (Ans Z21.10.3, Csa 4.3 )

    OPERABLE FIXED CLOSED OPERABLE Canadian Installations 3 feet (91 cm) within a height 15 feet (4.5 m) above the meter/regulator assembly Manual - Rinnai Condensing Water Heaters FIXED CLOSED AIR SUPPLY INLET VENT TERMINAL AREA WHERE TERMINAL IS NOT PERMITTTED...
  • Page 28: Additional Clearances - Vent Terminal (Rc80I, Rc98I)

    (0.91 m) to ventilated or unventilated soffit 36" or eve vent; or to a deck or porch 12" Manual - Rinnai Condensing Water Heaters 60" (1.52 m) vertically between Rinnai terminals (0.61 m) to wall or parapet 24" 12"...
  • Page 29: Additional Clearances (Rc80E, Rc98E)

    IN S ID E C O R N E R (0.91 m) to ventilated or unventilated soffit or eve vent; or 36" to a deck or porch 2" (50 mm) between Rinnai terminals at same level Manual - Rinnai Condensing Water Heaters...
  • Page 30: Flue Installation (Rc80I, Rc98I)

    Slope the venting toward the appliance according to the vent manufacturers installation instructions. Dispose of condensate per local codes. Secure the first vent component to the water heater Securing with one self-tapping screw at the hole located above the condensate collector. Manual - Rinnai Condensing Water Heaters...
  • Page 31: Connecting Multiple Water Heaters

    • Temperature settings can only be changed on the controller for the primary unit. (1) EZConnect™ Cable 2001-5200 ft (610-1585 m) Switch No. Manual - Rinnai Condensing Water Heaters Accessories Necessary: (1) MSA-2M (1) MSA-2M (1) MSA-2S (1) MSA-2M (2) MSA-2S...
  • Page 32 1. Turn off the power source and gas supply to the water heater / Coupez l`alimentation de gaz et électrique. 2. Remove the front cover from the water heater/ Enlever la couverture de devant du chauffe-eau.
  • Page 33: Temperature Controller Installation

    MCC-91 + MC-502RC + MC-91 + MC-502RC + MC-91 MC-91 + MC-502RC + MC-502RC Number of Wired Controllers 3 or 4 Manual - Rinnai Condensing Water Heaters Wire controllers in parallel MC-91 MCC-91 MCC-91 + MC-502RC BC-100V BC-100V MC-91 + MC-502RC...
  • Page 34: Mounting The Controller

    2. 7. Disconnect the power from the Rinnai water heater. 8. Remove the cover of the Rinnai water heater. 9. Remove the plastic cover from the PC board and electrical connections. 10. Thread the cable through the access hole at...
  • Page 35: Operating Instructions

    To Appliance” and call your service technician or gas supplier. See manual for additional OPEN information. 3. Locate the manual gas valve on the side of the heater. Turn the manual valve clockwise to the full OFF position. Manual - Rinnai Condensing Water Heaters...
  • Page 36: Technical Data

    RC98 Water Flow (gpm) The chart below only applies to incoming water temperatures of 70°F (21°C) or less. For NOTICE incoming water temperatures greater than 70°F (21°C) please contact Rinnai. Outlet Flow Data RC98 RC80 delta T - Temperature Rise (ºF)
  • Page 37: Space Heating

    Iron Components Do not use Rinnai water heaters directly for space heating applications involving iron radiators or applications with any iron components. Iron components may oxidize creating rust that will clog the inlet filter of the Rinnai water heater. Manual - Rinnai Condensing Water Heaters...
  • Page 38: Dimensions

    1.6 (40.2) 2.0 (50.2) 2.0 (50.2) 1.6 (41.2) 1.6 (41.2) 5.2 (132.6) * 5.2 (132.6) * 7.7 (195) 7.7 (195) Manual - Rinnai Condensing Water Heaters RC80e, RC98e RC98i, RC98e RC80e RC98e in (mm) in (mm) 18.5 (470) 18.5 (470) 10.7 (271.9)
  • Page 39: Ladder Diagram

    Ladder Diagram TWIN THERMISTOR Manual - Rinnai Condensing Water Heaters WATER WATER LEVEL LEVEL DETECTING ELECTRODE CIRCUIT...
  • Page 40: State Regulations

    NOTICE BEFORE INSTALLATION Rinnai direct-vent appliance must be installed by a state qualified or licensed contractor and a properly trained Rinnai Installer. If you are not properly trained, you must not install this unit. IMPORTANT: In the State of Massachusetts (248 CMR 4.00 & 5.00)
  • Page 41: Consumer Support

    [2] Note: The Rinnai warranty for a heat exchanger used in a circulation system which is controlled through an aquastat / thermostat, or timer, or an on-demand system is 12 years for residential applications. [3] Note: Period of coverage is reduced to 5 years from date of purchase if the Rinnai water heater temperature setting exceeds 160º F (71º C).
  • Page 42: Limited Warranty

    Replacement of the product may be authorized by Rinnai only. Rinnai does not authorize any person or company to assume for it any obligation or liability in connection with the replacement of the product. If Rinnai determines that repair of a product is not possible, Rinnai will replace the product with a comparable product at Rinnai’s discretion.
  • Page 43: French Version

    Produits de ventilation ... 56 Espacement pour terminaison de cheminée ... 57 Installation de conduit de cheminée ... 58 Instructions d'utilisation ... 59 Diagramme en escalier ... 60 Support à la clientele ... 61, 62 Manuel – Rinnai Condensing Water Heaters ... 49 incendies.
  • Page 44: Instructions D'utilisation

    Appuyez sur le “ priorité bouton ” du contrôleur de température. La lumière verte de priorité s'allume en indiquant que ce contrôleur est contrôlant la température et la Rinnai de l'eau poêle est prête à fournir de l'eau chaude. La priorité peut être modifiée pendant l'exécution sans eau chaude.
  • Page 45: Plages De Température Avec Un Contrôleur De Température

    125º F (52º C) peut causer des brûlures ou scalding sévère. Se référer à l'Alerte de Danger sur les températures d'eau. Rinnai ne fait pas, en tout cas, être responsable des dommages qui résultent de tel usage impropre ou tel mauvais usage.
  • Page 46: Entretien

    être claire, bleutée et stable. Reportez-vous à la décomposition par pièces du brûleur pour l'emplacement des hublots d'inspection. La configuration de flamme est illustrée ci-dessous : CORRECT INCORRECT Manuel – Rinnai Condensing Water Heaters VUE DE FACE FLAMME BLEUE ÉLECTRODE DE DÉTECTION...
  • Page 47: Instructions D'installation

    Le RC80i (REU-KA2530FFUD-US) et RC98i (REU- KA3237FFUD-US) ne doivent pas être installé à l'extérieur. • Le RC80e (REU-KA2530WD-US) et RC98e (REU- KA3237WD-US) ne doivent pas être installé à l'intérieur. • C'est un installateur ou un technicien de service qualifié qui doit installer, inspecter et vérifier l'absence de fuites de cet appareil avant sa mise en service.
  • Page 48: Écartements Par Rapport À L'appareil

    Reportez-vous au poids des modèles de chauffe-eau dans la section des spécifications. Remarque: Les chauffe-eau de Rinnai doit être installé dans une position verticale. N'installez pas à l'envers ou sur le côté. RC80e, RC98e...
  • Page 49: Installations À Haute Altitude

    CAN/CGA-B149.1 ou CAN/CGA-B149.2 Codes d'Installa- tion Manuel – Rinnai Condensing Water Heaters AVERTISSEMENT NE modifiez PAS la disposition des autres micro-commutateurs sauf sur instructions spécifiques.
  • Page 50: Tuyauterie De Gaz

    Une vanne manuelle de coupure de gaz doit être placée sur la conduite d'alimentation en gaz en amont du chauffe -eau Rinnai. Un raccord union peut être utilisé sur la connexion au-dessus de la vanne de coupure pour pouvoir ultérieurement intervenir sur l'unité en la déconnectant.
  • Page 51: Tuyauterie D'eau

    Prière de noter que le VDP inclus dans cet emballage est certifié par CSA International en tant qu’item approuvé. Manuel – Rinnai Condensing Water Heaters à Bille Eau Chaude à Bille Eau Froide...
  • Page 52: Qualité De L'eau

    être connecté à un appareil utilisé auparavant comme chauffage et fourniture d’eau non potable. • Le filtre d’eau du chauffage Rinnai dout être propre et installé. • La soupape de sûreté doit être actionnée manuellement au moins une fois par an pour vérifier qu'elle est toujours fonctionnelle.
  • Page 53: Tuyauterie Recommandée Pour Installation De Base

    Consultez les autorités compétentes dans chaudière accordance with all local building codes. Confer with local building ce domaine avant l'installation. officials before installation. Solenoid Valve Électrovanne Manuel – Rinnai Condensing Water Heaters Liste d'équipement Rinnai Qté Chauffe-eau Rinnai Rinnai Equipment List...
  • Page 54: Instructions De Ventilation Consignes Pour Aspiration/Évacuation

    AVIS S'il devient nécessaire d'accéder à un circuit de mise à l'air libre inclus pour le service ou les réparations, Rinnai n'est pas responsable d'aucuns coûts ou difficulté en accédant au circuit de mise à l'air libre. La garantie ne couvre pas obtenir l'accès à...
  • Page 55: Longueur De Ventilation Maximum

    10% quand ce microcommutateur N° 1 est en position OFF. Nombre de coudes à 90° 29 ft 3 23 ft 4 (8.8 m) (7.0 m) Notes 1234 Manuel – Rinnai Condensing Water Heaters 17 ft 4 11 ft 4 5 ft 4 (5.2 m) (3.4 m) (1.5 m)
  • Page 56: Produits De Ventilation

    Corr/Guard Vent/Air Intake System Heat-Fab Téléphone : 800-772-0739 Fax : 413-863-4803 Courriel : custsvc@heat-fab.com Site Web : www.heatfab.com Manuel – Rinnai Condensing Water Heaters Pièces Metal-Fab Inc. Téléphone : 800-835-2830 316-943-2351 Fax : 316-943-2717 Courriel : info@mtlfab.com Site Web : www.metal-fabinc.com...
  • Page 57: Espacement Pour Terminaison De Cheminée

    PERMANENTE CLOSED OPERABLE OUVRABLE Installations au Canada 3 pieds (91 cm) avec une hauteur de 15 pieds (4,5 m) au-dessus de l'ensemble Manuel – Rinnai Condensing Water Heaters ANS Z21.10.3, CSA 4.3 FIXED FERMETURE CLOSED PERMANENTE ENTÉE D'ALIMENTATION EN AIR...
  • Page 58: Installation De Conduit De Cheminée

    Débarassez- vous du condensat par codes locaux. Vis de fixation Fixez la pièce de ventilation connectée sur le chauffe-eau avec une vis autotaraudeuse dans le trou situé au dessus du collecteur de condensat. Manuel – Rinnai Condensing Water Heaters...
  • Page 59: Instructions D'utilisation

    Reportez-vous au manuel pour plus d'informations. Repérez la vanne de gaz manuelle sur le côté du chauffe-eau. Fermez-la en la tournant à fond dans le sens horaire (position OFF). Manuel – Rinnai Condensing Water Heaters MARCHE...
  • Page 60: Diagramme En Escalier

    SORTIE D'EAU 1 THERMISTANCE DE SORTIE D'EAU 2 THERMISTANCE D'ÉCHA- GEUR THERMIQUE CIRCUIT DE THERMIS- TANCE THERMISTANCE DE BRÛLEUR Manuel – Rinnai Condensing Water Heaters NEUTRE ANTI-FOUDRE ALLUMAGE ÉLECTRO- VANNE À MODULATION CIRCUIT D' A LIMENTA- TION D' É LECTRO- VANNE À...
  • Page 61: Support À La Clientele

    à la demande est 12 ans pour les applications résidentielles. [3] Avis : La période de garantie est réduite à 5 ans à partir de la date d'achat si le réglage de température du chauffe-eau Rinnai dépasse 160°F (71 °C).
  • Page 62 Rinnai le remplacera par un produit comparable, à sa discrétion. Si un composant ou un produit retourné à Rinnai est trouvé sans défaut du aux matériaux ou à la main d'œuvre, ou qu'il est déterminé qu'il a été...
  • Page 63 Notes Manual - Rinnai Condensing Water Heaters...
  • Page 64 RC80, RC98 U290-665X03(00) Printed in Japan 11.01 © 2010 Rinnai America Corporation...

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