Table of Contents
Advertisement
Installation ● Operation Manual
Natural Gas (NG) - Factory Default
Liquid Propane Gas (LPG) - Optional Ori ce
Model GU145 (S) / 508(11,12,21,22)1145 (S)
Model GU195 (S) / 508(11,12,21,22)1195 (S)
Model GU195 (M) / 508(11,12,21,22)1195 (M)
C
Call us fi 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.
● 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)
!
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.
!
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.
!
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.
Service Information Center:
1-866-946-1096
8am-4pm CST, Monday through Friday
IMPORTANT:
WARNING
WARNING
WARNING
1
157140081P Date 2013/7/22
!
!
!
Advertisement
Table of Contents
Related Manuals for Eternal GU195 (M)/ 508
Summarization of Contents
Installation Preparation
Before Commencing The Installation
Pre-installation checks and compliance with codes and regulations.
Indoor Installation
Clearances
Required clearances around the unit for safe operation and maintenance.
Combustion Air Supply
Requirements for providing adequate air for combustion.
Outdoor Installation
Clearances
Required clearances for outdoor installation near building openings.
Exhaust Ventilation
Proper venting procedures for outdoor installations.
Mobile Home Installation
Mounting Steps
Detailed steps for securely mounting the water heater.
Mobile Home Venting
Vent Pipe Material
Approved materials and specifications for vent pipes.
Mobile Home LP Conversion
How to convert to LP
Step-by-step guide for converting the unit to LP gas.
Wall Mounting
Mounting Steps
Detailed steps for wall mounting the water heater.
Floor Mounting
Standing Installation
Guidelines for placing the unit on a floor surface.
Venting Intake & Exhaust Material
NOTICE-VENTING GUIDELINES
General guidelines for proper venting installation and configuration.
Venting Specification
EC Adapter Installation
Procedure for installing the EC adapter for venting configuration.
Vent Termination Clearances
Vent Clearances When Heater is Installed Indoors
Clearances for indoor installations to openings like windows/doors.
Vent Clearances When Heater is Installed Outdoors With a Vent Cap
Clearances for outdoor installations to openings.
Multiple Units Termination
Vertical Terminations
Proper vertical venting configurations for multiple units.
Horizontal Terminations
Proper horizontal venting configurations for multiple units.
Common Vent Installation
Power Vent
Specific considerations for common venting with power vent setup.
Direct Vent(Sealed Vent)
Specific considerations for common venting with direct vent setup.
Concentric Vent Kit
Outdoor Vent Kit
Instructions for installing the outdoor vent kit.
Gas Supply Piping
Gas Piping System Codes
Standards and codes to follow for gas piping installation.
LP Conversion
How to convert to LP
Step-by-step instructions for performing the LP conversion.
Water Supply Connection
FILLING THE WATER
Procedure for filling the water heater with water before operation.
DRAINING THE WATER
Procedure for draining the water heater.
Condensate Piping
TYPICAL INSTALLATION
Illustrates common ways to connect condensate piping.
Temperature and Pressure Relief Valve
IPC For Recirculation Application
Details on the Internal Pump Control for recirculation systems.
Electrical Connection
Grounding and Surges
Requirements for proper grounding and surge protection.
Wiring Optional Remote Controller(s)
Instructions for wiring remote controllers.
Optional Remote Controller Installation
Pre-Installation Preparation
Steps to take before installing the remote controller.
Wiring Instructions
How to connect the remote controller wiring to the unit.
Optional Remote Controller Installation
Configuring Multiple Remote Controllers
How to set up multiple remote controllers for the unit.
Remote Display Mounting Instructions
Steps for physically mounting the remote controller display.
MCU Installation
MCU Kit Components
Lists the parts included in the MCU kit.
MCU Installation Procedures
MCU Installation
Detailed steps for wiring and setting up the MCU for unit communication.
MCU Unit Identification
Unique Unit Identification Number
How to set dipswitches to assign unit identification numbers.
Recirculation System Diagrams
Recirculation with 2 Units
Illustrates plumbing for recirculation systems with two units.
Commercial Applications
System for rapid ON/OFF hot water usage
Configuration for frequent on/off water demand.
System for rapid ON/OFF and large volume usage
Configuration for high volume and rapid demand.
Plumbing for Multiple Units
Reverse return system
Recommended parallel plumbing arrangement for equal flow.
Non reverse return system - NOT RECOMMENDED
Alternative plumbing arrangement that is not recommended.
Recovery Pump Sizing
Water Pipe Size
Recommended pipe sizes for single and multiple unit installations.
Operating Instructions
STARTING UP
Procedures for safely turning on the water heater.
NORMAL OPERATION
Steps for normal daily use of the water heater.
Front Control Interface
Digital Monitor
How to read the display for temperature, status, and error codes.
Temperature Setting Button
How to adjust the desired water temperature.
Remote Controller Operation
LCD Monitor
Understanding the display on the remote controller.
Ignition Cycle Counter
Information about the built-in ignition cycle counter.
Maintenance and Service
SYSTEMS AND PARTS CHECK
Annual checks for key systems and components.
Venting System Inspection
How to inspect the venting system for safety and proper function.
Diagnostic Function
Diagnostic Content Overview
Accessing unit status, temperatures, fan RPMs, and error codes.
Troubleshooting Common Issues
Burner Issues
Diagnosing problems with burner ignition and operation.
Water Temperature Problems
Troubleshooting issues related to water temperature.
Self Monitoring Diagnostics
Error Code Causes and Remedies
Lists error codes, their causes, and suggested remedies.
Checking Gas Combustion
Recommended Combustion Levels
Target O2/CO2 levels for natural and propane gas.
Gas Combustion Adjustment
Procedure for high firing
Steps for observing combustion at high firing rates.
Setting procedure for low firing
Steps for measuring and adjusting low firing rate combustion.
Limited Warranty Terms
Warranty Exclusions
Conditions under which the warranty does not apply.
Exclusive Remedy
The sole remedy for defective products is repair or replacement.
Warranty Coverage Details
Warranty Periods for Heat Exchanger
Duration of warranty for the heat exchanger component.
Warranty Periods for other Components
Duration of warranty for parts other than the heat exchanger.
Warranty Service Information
DEFINITIONS
Glossary of terms used in the warranty.
How to Obtain Warranty Service
Procedure for contacting authorized contractors for service.
Need help?
Do you have a question about the GU195 (M)/ 508 and is the answer not in the manual?
Questions and answers