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Rinnai RC80E User Manual

Rinnai RC80E
64 pages
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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.
WARNING: If the information in these instructions is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or death.
Operation and Installation Manual
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Table of Contents .................... 2
Consumer Safety Information .. 4
Operating Instructions .............. 5
Maintenance ............................ 11
Error Codes ............................. 12
Installation Instructions ............ 16
Consumer Support ................... 41
French Version ........................ 43
Tankless Water Heater
Register your product at www.rinnairegistration.com or
call 1-866-RINNAI1 (746-6241)
ANS Z21.10.3
CSA 4.3
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

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Rinnai RC80E Specifications

General IconGeneral
BrandRinnai
ModelRC80E
CategoryWater Heater
LanguageEnglish

Summary

Rinnai Tankless Water Heater Introduction

Product Model Identification

Identifies indoor and outdoor models for Rinnai tankless water heaters.

Safety Warnings and Emergency Procedures

Covers critical safety warnings and procedures for gas leaks.

Product Specifications

Performance and Electrical Specifications

Details on capacity, consumption, temperature, electrical, and gas connections.

Consumer Safety Information

Safety Definitions, Practices, and Features

Explains safety alerts, recommended behaviors, and built-in safety features.

System Operation and Controllers

Appliance Operation Description

Describes how the tankless water heater functions.

Temperature Controller Features

Overview of features available on different temperature controller models.

Temperature Controller Interface

MC-91/MCC-91 Controller Diagram

Diagram illustrating the controls and indicators on the MC-91/MCC-91 controller.

Setting the Water Temperature

Temperature Adjustment Procedure

Step-by-step guide to setting the desired water temperature.

Available Temperature Settings

Lists temperature settings available for different water heater models.

Advanced Temperature and Volume Settings

Maximum Temperature and Controller Options

Details on resetting maximum temperature and controller configurations.

Voice Prompt Volume Control

Instructions for adjusting the volume of voice prompts on controllers.

Water Smart / Bath Fill Function

Function Overview and Temp Limits

Explains the bath fill function and its temperature limitations.

Setting Volume and Initiating Fill

Steps to set water volume and start the bath filling process.

Bath Fill Operation and Controller Functions

Bath Filling Steps and Notices

Detailed steps for filling a tub and important notices.

Controller Mute and Clock Setting

Instructions for muting controller beeps and setting the clock.

Appliance Maintenance

Cleaning, Inspection, and Scale Prevention

Covers cleaning, vent/air inspection, flame check, and scale prevention.

Troubleshooting Error Codes

Common Error Codes and Remedies (03-14)

Lists common error codes, their faults, and suggested remedies.

Advanced Error Code Diagnosis

Additional Error Codes and Remedies (16-LC)

Details further error codes, their faults, and remedies.

Troubleshooting and Water Quality

Common Operational Issues and Solutions

Addresses common problems like no hot water or cold water.

Water Quality Guidelines

Provides maximum acceptable levels for various water quality parameters.

Heat Exchanger Flushing

Cleaning Procedure for LC/00 Error

Step-by-step guide for flushing the heat exchanger to resolve scale build-up.

Installation Instructions

Installer Requirements and General Precautions

Outlines installer qualifications and general installation guidelines.

Installation Clearances and Mounting

Appliance Clearances

Specifies required clearances around the water heater unit.

Water Heater Mounting

Provides instructions for securely attaching the water heater to the wall.

Electrical, Control, and Gas Piping Setup

Electrical Connections and Control Switches

Details electrical hookup and air handler control switch setup.

Gas Piping General Instructions

Covers gas valve, type, pressure, and leak testing requirements.

Gas Piping Sizing

Pipe Sizing Procedure and Tables

Explains how to size gas pipes and provides natural/propane gas tables.

Water Piping and Valves

Isolation Valves and Pressure Relief Valve Installation

Instructions for installing isolation and pressure relief valves.

Water Piping and Freeze Protection

General Piping and PRV Guidelines

General water piping rules and pressure relief valve requirements.

Freeze Protection Features

Details on electrical heating, solenoid valves, and wind-chill effects.

Freeze Protection and Draining

Manual Draining Procedure

Step-by-step guide for manually draining the water heater.

Preventing and Addressing Freezing

Methods to prevent freezing and actions if pipes freeze.

Basic Installation Piping

Diagram and Equipment List

Illustrates basic piping connections and lists required equipment.

Circulation System Piping

Diagram and Guidelines for Circulation

Shows piping for circulation systems and provides application guidelines.

Venting and Condensate

Intake/Exhaust Venting Guidelines

Rules for direct vent intake and exhaust systems.

Condensate Handling and Disposal

Instructions for managing condensate trap and drain line.

Vent System Sizing and Components

Maximum Vent Length Calculation

Determines maximum vent length based on elbows and switch settings.

Approved Vent Products

Lists tested vent products and manufacturer contact information.

Flue Terminal Clearances

Installation Clearances by Location

Specifies clearances for flue terminals in Canadian and US installations.

Additional Vent Clearances (RC80i, RC98i)

Termination Location Requirements

Specific clearance rules for vent termination locations for RC80i/RC98i.

Additional Vent Clearances (RC80e, RC98e)

Termination Location Requirements

Specific clearance rules for vent termination locations for RC80e/RC98e.

Flue Installation (RC80i, RC98i)

Horizontal and Vertical Termination

Guidelines for horizontal and vertical flue termination.

Advanced Installation Configurations

Connecting Multiple Water Heaters

Details on EZConnect and MSA packs for linking heaters.

High Altitude Installation Settings

Switch settings for adjusting the appliance for high altitudes.

High Altitude Installation Procedure

Setting Switches for Altitude

Procedure for setting DIP switches for high altitude operation.

Temperature Controller Installation

Location and Configurations

Guidance on controller placement and configuration options.

Wiring Cable Specifications

Details on cable gauge and maximum length for controller wiring.

Controller Mounting and Wiring

Steps for Mounting and Wiring

Instructions for physically mounting and wiring the temperature controller.

Basic Operating Procedures

Safety Checks Before Operation

Essential safety checks and gas smell procedures before operating.

Starting and Stopping the Heater

Step-by-step guide for starting and shutting down the water heater.

Technical Performance Data

Pressure Drop and Flow Rate Graphs

Graphs illustrating pressure drop and outlet flow rates.

Space Heating Applications

Guidelines and Component Considerations

Rules for space heating use, pumps, and iron components.

Appliance Dimensions

Dimensional Drawings and Specifications

Diagrams and tables showing physical dimensions of the unit.

Electrical Schematic

Ladder Diagram Explanation

Explanation of the unit's electrical schematic diagram.

State Regulatory Compliance

Massachusetts CO Detector Requirements

Specific regulations for carbon monoxide detectors in Massachusetts.

Consumer Support and Warranty

Warranty Information and Coverage

Details on warranty coverage periods and information to record.

Limited Warranty Details

Service, Exclusions, and Limitations

Covers warranty service, exclusions, and legal limitations.

Rinnai Product Line Overview

Related Rinnai Appliances

Lists other Rinnai products like furnaces, fireplaces, and boilers.

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