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Rinnai INFINITYREU-V3232W User Manual

Rinnai INFINITYREU-V3232W
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INFINITY REU-V3232W
HD250E REU-V3232WC
Infinity High Capacity Continuous Flow Gas Hot Water System
SERVICE MANUAL
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Rinnai INFINITYREU-V3232W Specifications

General IconGeneral
BrandRinnai
ModelINFINITYREU-V3232W
CategoryWater Heater
LanguageEnglish

Summary

SERVICE MANUAL

WARNING

Electrical Hazard Warning

Warning about high voltage inside the appliance.

Authorized Personnel Requirement

Service work must be performed by authorized personnel.

Gas Leak Testing Safety

Prohibition of open flames for gas leak detection.

Product Specifications

Pressure and Safety Devices

Defines operating pressure and lists safety features.

Sensors and Safety Devices

Combustion Specifications Data

Details specifications related to the combustion system.

Water Flow Rates and Pressures

Installation Guide

Controller Installation Precautions

Prohibited Installation Locations

Warnings against installing controllers near heat or in direct sunlight.

Outdoor and Metal Wall Installation

Cautions for outdoor mounting and metal wall grounding.

Connecting Remote Control Cables

Connecting One or Two Controllers

Step-by-step guide for wiring one or two controllers.

Connecting Three Controllers

Instructions for wiring three remote controllers.

Connecting Four Standard Controllers

Procedure for connecting four standard controllers.

MC-91A Controller Programming

Four Controller Connection Check

Diagnostic question for activating the fourth controller.

50°C Appliance Label Check

Question to determine specific programming needs based on appliance label.

Operational Flow Charts

Normal Combustion Sequence Flow

Flow chart detailing the normal combustion sequence.

Ignition Failure Troubleshooting Flow

Flow chart for diagnosing miss-ignition and flame failure.

Abnormal Pre-Purge Flow Chart

Flow chart for issues related to air supply or exhaust blockage.

Principles of Hot Water Operation

Ignition Process Explained

Explains the ignition sequence and component activation.

Temperature and Flow Regulation

Details how temperature and water flow are controlled.

Appliance Shut Down Procedure

Describes the shutdown sequence and fan purge operation.

Wiring Diagram for Service

Dip Switch Configuration Settings

Fixed Temperature Settings

Critical Warning for 95°C Setting

Important warning regarding setting the unit to 95°C.

Troubleshooting Faults

Fault Finding Table Reference

Table listing faults, codes, and troubleshooting steps.

Operational Flow Chart Reference

Reference to the operational flow chart for diagnostics.

Component Circuit Value Table Reference

Table of normal electrical values for components.

Wiring Diagram Reference

Reference to the wiring diagram for troubleshooting.

Maintenance Monitor and Error History Access

Provides access to operational and fault history.

Component and Circuit Check Procedures

Detailed guides for checking components.

Procedures for Dismantling for Service

Information on component removal and replacement.

Detailed Fault Finding Table

Error Code and Fault Description

Lists controller error codes and associated fault descriptions.

Troubleshooting Actions and References

Details actions and references for diagnosing faults.

Component Circuit Value Reference

Normal Electrical Value Specifications

Provides expected electrical values for components.

Component and Circuit Diagnostic Procedures

Combustion Fan Circuit Checks

Procedures for checking the combustion fan circuit and motor.

Sparker Circuit Diagnostic Steps

Procedures for checking the sparker circuit and ignition.

Solenoid Valve Circuit Checks

Main Solenoid Valve (SV0) Circuit Test

Checks for the main solenoid valve (SV0).

Solenoid Valve 1 (SV1) Circuit Test

Checks for Solenoid Valve 1 (SV1).

Solenoid Valve 2 (SV2) Circuit Test

Checks for Solenoid Valve 2 (SV2).

Valve and Modulating Valve Circuit Checks

Flame Rod and Earth Lead Circuit Checks

Thermal Fuse, Overheat Switch, and Water Flow Sensor Checks

Water Flow Servo and Heat Exchanger Thermistor Checks

Hot Water Outlet Thermistor and Electrical Fuse Checks

Surge Protector and Transformer Checks

Bypass Servo and Remote Control Checks

Anti-frost Heater and Frost Sensing Switch Checks

Maintenance Monitor and Error History

Error History Display and Interpretation

Gas Pressure Setting Procedure

Safety Caution for Gas Pressure Adjustment

Safety warning before adjusting gas pressure.

Gas Pressure Setting Procedure Details

Gas Pressure Setting Procedure Adjustments

Warning During Pressure Testing

Warning regarding pressure testing procedures and gas shut-off.

Gas Conversion Procedure

Safety Caution for Gas Conversion

Safety warning for performing gas conversion.

Gas Conversion Procedure Steps

Dismantling for Service Procedures

Electrical Safety Warning During Dismantling

Safety warning about electrical exposure during dismantling.

Dismantling Precautions and Panel Removal

Important Pre-Dismantling Precautions

Lists essential precautions before starting dismantling.

Component Removal Procedures

Gas System and Burner Unit Removal

Heat Exchanger and Thermal Fuse Removal

Service and Support Contacts

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