Rinnai R63LSe User Manual

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.............................. 12
Error Codes............................... 13
Installation Instructions.............. 17
Consumer Support .................... 38
R63LSe .............. REU-VA2024WD
R75LSe .............. REU-VA2528WD(A)
R94LSe .............. REU-VA2535WD
R98LSe .............. REU-VA3237W
R98LSe-ASME ... REU-VA3237W-ASME
Outdoor Tankless Water Heater
ANS Z21.10.3
•
CSA 4.3
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•
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Rinnai R63LSe Specifications

General

Type	Tankless
Maximum Flow Rate	6.3 GPM
Temperature Range	98°F - 140°F
Energy Factor	0.82
GPM @ 35° Rise	6.3 GPM
Ignition Type	Electronic Ignition
Minimum BTU	15, 000 BTU
Venting	Direct Vent
Warranty	12-year on heat exchanger, 5-year on parts, 1-year on labor

Summary

Safety Precautions and Emergency Response

What to Do If You Smell Gas

Steps to take if a gas leak is detected.

Product Specifications

Consumer Safety Information

Safety Definitions and Practices

Explains safety symbols, behaviors, and key safety features.

Safety Features Overview

Setting the Temperature

Water Smart / Bath Fill Function

Setting the Water Volume

Maintenance Procedures

Cleaning and Inspections

Error Codes and Troubleshooting

Error Code Table

Lists error codes, their faults, and recommended remedies.

Troubleshooting Common Issues

Flushing the Heat Exchanger

Installation Instructions

General Installation Guidelines

Key requirements and warnings for installers.

Clearances and Mounting

Required distances from combustibles and wall mounting.

Electrical and Gas Connections

Wiring requirements and gas piping instructions.

Gas Pipe Sizing

Procedures and tables for sizing gas supply lines.

Water Piping and Freeze Protection

Water Piping and Relief Valve

Freeze Protection Methods

Features and optional methods to prevent freezing damage.

Piping Diagrams

Flue Terminal Clearances

Clearance Requirements

High Altitude Installations

Dip Switch Settings for Altitude

Remote Controller Installation

Cable Lengths and Mounting

Connecting to Specific Models

General Operating Instructions

Safety and Startup Procedures

Key safety warnings and steps for starting the appliance.