Rinnai REU-VA3237FFU User Manuals

Table of Contents

• Table of Contents

  2
• Operating Instructions

  5
• Maintenance

  12
• Error Codes

  13
• Installation Instructions

  17
• Consumer Support

  42
• Specifications

  3
• General Instructions

  17
• Clearances from Appliance

  18
• Safety Definitions

  4
• Attachment of the Water Heater

  18
• Safety Behaviors and Practices

  4
• Electrical Connection

  19
• Safety Features

  4
• General Instructions

  19
• Description of Operation

  5
• Pipe Sizing Procedure - Example

  20
• General Instructions

  21
• Features Available on Remote Controllers

  5
• Pressure Relief Valve

  21
• Freeze Protection

  21
• Setting the Temperature

  8
• Freeze Protection Piping

  22
• a Remote Controller

  8
• Temperature Ranges

  9
• Circulation Systems

  24
• Setting the Sound Volume

  9
• Optional Piping for Circulation Systems

  25
• Setting the Clock

  9
• Using the Water Smart Bath Fill Function

  10
• Inlet / Exhaust Guidelines

  26
• Overview

  10
• Condensate

  26
• Setting the Water Volume

  10
• Maximum Vent Length

  27
• Filling the Tub

  11
• Vent Products

  28
• Setting Controller to Mute

  11
• (ANS Z21.10.3 • CSA 4.3)

  29
• Cleaning

  12
• Additional Clearances

  30
• Vent System

  12
• Motors

  12
• (R50LSi, R75LSi, R85LSi)

  31
• Remote Controller

  12
• Lime / Scale Buildup

  12
• Snow Accumulation

  12
• High Altitude Installation

  34
• Visual Inspection of Flame

  12
• Connecting Multiple Water Heaters

  34
• Location

  35
• Configurations

  35
• Troubleshooting for Common Issues

  15
• Cable Lengths and Size

  35
• Accessing Operating Information

  15
• Mounting the Controller

  36
• Water Quality

  15
• Operating Instructions

  37
• Flushing the Heat Exchanger

  16
• Pressure Drop Curve

  38
• Outlet Flow Data

  38
• Space Heating

  39
• Dimensions

  40
• Ladder Diagram

  41
• Warranty Information

  42