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Rinnai Energysaver ES38 - User Manual

Rinnai Energysaver ES38
80 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 loss of life.
Owner’s Operation and Installation Manual for the
ES38 (RHFE-1004FTA)
Energysaver ®
Gas Direct Vent Wall Furnace
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Table of Contents ........................ 2
Consumer Safety Information ..... 3
Specifications .............................. 4
Operating Instructions ................. 6
Installation Instructions ............. 15
Consumer Support .................... 45
State Regulations ...................... 47
French Version .......................... 48
Register your product at www.rinnairegistration.com
or call 1-866-RINNAI1 (746-6241)

Table of Contents

Other manuals for Rinnai Energysaver ES38

Questions and Answers

  • K
    Kelly GibsonJul 29, 2025
    What to do if my Rinnai Furnace has a power failure?
    • W
      walkerlisaJul 29, 2025
      If your Rinnai Furnace experiences a power failure, attempt a restart by pushing the On/Off button after power is restored.
  • C
    Catherine SantiagoAug 1, 2025
    What to do if the flue terminal of my Rinnai Furnace is obstructed?
    • D
      Derrick Allen Jr.Aug 1, 2025
      If the flue terminal of your Rinnai Furnace is obstructed, clear the obstruction to ensure proper operation.
  • J
    Jeffrey WagnerAug 6, 2025
    What to do if the louver of my Rinnai Energysaver ES38 is obstructed?
    • E
      Evan Pruitt DDSAug 6, 2025
      If the louver of your Rinnai Furnace is obstructed, clear the obstruction.
  • D
    donaldgarrettAug 10, 2025
    What to do if the air filter of my Rinnai Energysaver ES38 Furnace is blocked?
    • K
      Karen MaysAug 10, 2025
      If the air filter of your Rinnai Furnace is blocked, clean the filter.
  • K
    Kathryn WashingtonAug 15, 2025
    What to do if gas is turned off at meter, tank, or valve for my Rinnai Energysaver ES38?
    • J
      Jeremy MosleyAug 15, 2025
      If the gas supply to your Rinnai Furnace is turned off at the meter, tank, or valve, turn the gas back on.
  • T
    Tammy WilkersonAug 19, 2025
    How to cancel the ON Timer on my Rinnai Energysaver ES38?
    • A
      abrownAug 19, 2025
      To cancel the “ON” Timer on your Rinnai Furnace, either cancel the timer setting or push the override button.
  • R
    rodney42Aug 23, 2025
    What to do if my Rinnai Furnace has no ON indicator?
    • A
      Andrea JonesAug 23, 2025
      If your Rinnai Furnace shows no ON indicator, make sure to plug it in.

Summary

Consumer Safety Information

Safety Behavior and Practices

Critical safety precautions for operation, maintenance, and handling the appliance.

Safety Features

Lists automatic safety shutdown mechanisms like Overheat, Flame Failure, and Power Failure.

Specifications

Appliance Specifications

Details application, general description, gas connection, ignition system, and rating.

Features

Lists key operational and functional characteristics of the appliance.

Operating Instructions

Control Panel

Explains the functions of buttons and indicators on the control panel.

Setting and Operating the Timers

Details how to program and use the heating schedule timers.

Economy (Energy Saving Mode)

Describes the energy-saving mode that reduces temperature over time.

Care and Maintenance

Maintenance

General guidelines for cleaning and servicing the appliance by qualified technicians.

Filters

Instructions for cleaning or replacing air filters to maintain performance.

Troubleshooting and Service

Before Making a Service Call

Checklist of common issues and remedies before contacting support.

Fault Codes

Lists error codes displayed by the appliance and corresponding remedies.

Installation Instructions

General Instructions

Key safety warnings, installation requirements, and general guidelines.

Gas Connection

Details on safely connecting the gas supply line to the appliance.

Flue Terminal Clearances

Illustrates minimum clearances for flue termination points.

Flue Manifold Installation

Detailed procedures for assembling and installing the flue manifold.

Adjust Gas Pressure Settings

Procedure for setting gas pressure for optimal performance at different altitudes.

Parts List

Consumer Support

Limited Warranty

Outlines the terms, coverage, and duration of the manufacturer's warranty.

State Regulations

NOTICE BEFORE INSTALLATION

Important installation notices and requirements, especially for Massachusetts.

Rinnai Energysaver ES38 Specifications

General IconGeneral
ModelES38
Heating Capacity38, 400 BTU
Vent TypeDirect Vent
Ignition TypeDirect Spark Ignition
Efficiency Rating80% AFUE
Fuel TypeNatural Gas or Propane

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