Eternal GU100/508111100 User Manual

Service Information Center:
Call us rst if you have any questions with this product. We can help you with questions about assembly
and Water Heater operation or if there are any damaged or missing parts when you unpack this unit from the
shipping box. Please call before returning to the store.
1-866-946-1096
8am-4pm CST, Monday through Friday
157290081P Date 2011/12/15
Installation ● Operation Manual
Natural Gas (NG) - Factory Default
Liquid Propane Gas (LPG) - Optional Orice
Model GU100 / 508(11,12,21,22)1100
California Proposition 65 lists chemical substances known to the state to cause cancer, birth defects, death,
serious illness or other reproductive harm. This product may contain such substances, be their origin from fuel
combustion (gas, oil) or components of the product itself.
WARNING
! !
Read this Operator's Manual carefully and be sure your Water Heater is properly assembled, installed and
maintained. Failure to follow these instructions exactly could result in re, explosion, serious bodily injury and/or
property damage.
Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other appliance.
WARNING
! !
IMPORTANT:
● Only specially trained and authorized personnel are permitted to service this water heater.
●
NOTE TO ASSEMBLER / INSTALLER:
Leave this manual with the consumer.
●
NOTE TO CONSUMER:
Keep this manual for future reference.
●
RECORD YOUR SERIAL #________________
(see silver CSA label on Gas Water Heater)
Only a licensed professional can install Eternal units for safety and code compliance. Venting and plumbing
codes can vary by location. Installation instructions and all applicable codes must be followed or property
damage, severe injury, or death may result. Failure to use a licensed plumber or contractor, follow venting,
plumbing, and building codes; or follow installation instructions may be unlawful and will void the product
warranty. Grand Hall is not responsible for any costs incurred for repairing any problems resulting from failure to
follow installation instructions or applicable codes.
WARNING
! !
1
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Eternal GU100/508111100 Specifications

General

Brand	Eternal
Model	GU100/508111100
Category	Water Heater
Language	English

Summary

Product Overview

Technical Specifications and Dimensions

Detailed technical data, measurements, and diagrams of the water heater.

Parts Identification

Visual and textual identification of unit components.

Installation Guidelines

Pre-Installation Safety and Preparation

Essential safety precautions, unpacking, and site preparation before installation.

Installation Locations and Clearances

Requirements for indoor, outdoor, and mobile home installations, including clearances.

Mounting and Venting Requirements

Procedures for mounting the unit and guidelines for the venting system.

Vent Pipe Installation and Termination

Clearances and positions for vent pipe terminals.

System Connections

Gas and LP Supply

Guidelines for connecting natural gas or propane supply piping.

Water and Condensate Lines

Instructions for water supply connection and condensate drainage.

Electrical and Control Connections

Requirements for electrical connection, grounding, and remote controllers.

Operation and Controls

Remote Controller Installation and Usage

Steps for installing and operating the optional remote controller.

Operating Instructions

How to start up, operate, and shut down the water heater.

Control Interface and Recirculation

Guide to front controls, recirculation systems, and temperature settings.

Maintenance and Troubleshooting

Regular Maintenance and Service Checks

Annual inspection and maintenance tasks for optimal performance.

Diagnostics and Error Codes

Using diagnostic functions to identify system status and error codes.

Troubleshooting Common Issues

Steps to resolve common operational problems and check gas combustion.

Warranty Information

Limited Warranty Terms and Conditions

General warranty coverage, exclusions, limitations, and definitions.

Obtaining Warranty Service

Contact information and procedures for warranty service.