Dometic WH-6GEA - User Manual

HEATING
WATER HEATERS
Form No. 3317866.000 04/21 | ©2021 Dometic Corporation
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
WH - 6GA, WH - 6GEA, WH - 9GEA, WH - 10GEA, WH - 16GEA
EN
L.P. Gas Water Heater
Installation and Operation Manual ........2
FR
Chauffe-eau à gaz P.L.
Manuel d’installation et d’utilisation .... 25
WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result, causing property
damage, personal injury, or death.
– 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
• Evacuate all persons from the vehicle.
• Shut off gas supply at the gas
container or source.
• Do not touch any electrical switch, or
use any phone or radio in the vehicle.
• Do not start the vehicle’s engine or
electric generator.
• Contact the nearest gas supplier
or qualified service technician for
repairs.
• If you cannot reach a gas supplier or
qualified service technician, contact
the nearest fire department.
• Do not turn on the gas supply until the
gas leak(s) has been repaired.
– Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.

WARNING: BURN HAZARD, FIRE,
EXPLOSION, AND/OR CARBON MONOXIDE
HAZARD.
Keep the water heater area clear of combustible
cleaning materials, gasoline, and other flammable
vapors and liquids. Failure to obey this warning
could result in death or serious injury.

WARNING.
This product can expose you to lead, which is
known to the state of California to cause cancer and
birth defects or other reproductive harm. For more
information, go to www.P65warnings.ca.gov.

Dometic WH-6GEA Specifications

General

Brand	Dometic
Model	WH-6GEA
Category	Water Heater
Language	English

Summary

Explanation of Symbols and Safety Instructions

Recognize Safety Information

Explains the safety alert symbol and its importance for identifying potential injury hazards.

Understand Signal Words

Defines signal words like DANGER, WARNING, CAUTION for hazard levels and seriousness.

Supplemental Directives

Provides directives to reduce accident risks during installation and operation of the appliance.

General Safety Messages

Offers critical safety advice, especially regarding fire and explosion hazards.

Intended Use

General Information

Tools and Materials

Lists recommended tools and materials for servicing the water heaters.

Component Locations

Identifies key components of the water heater models.

Model Identification

Explains the breakdown of model identification numbers and available models.

Unit Specifications

Details unit dimensions, weight, and pressure/voltage specifications.

Installation

Preparing the Installation Location

Guides on selecting and preparing the installation site, including cutouts and clearances.

Blocking the Water Heater

Details the procedure for securing the water heater using wood blocks.

Installing the Water Hose

Provides instructions for connecting hot and cold water hoses to the unit.

Installing The Gas Line

Explains how to connect the LP gas line to the water heater.

Installing The Control Switch

Instructions for installing the control switch and its components.

Wiring the 115 VAC Power Supply

Details the wiring requirements for the 115 VAC power supply.

Installing The Unit

Covers final unit installation steps and safety warnings.

Installing The Access Door

Describes how to slide and attach the access door.

Performing Leak Testing

Outlines the procedure for checking gas and water connections for leaks.

Operation

Operating the Electronic Control

Explains how to turn on and use the electronic control for heating functions.

Gas Function

Details operation of the gas heating element, including lockout procedures.

Electric Heating Element

Describes how to operate the electric heating element and potential issues.

Gas;Electric Function

Explains simultaneous use of gas and electric modes for faster heating.

Clearing a Water Heater Operation Failure

Steps to reset the water heater after a lockout or overheating condition.

Shutting Down the Water Heater

Instructions on how to safely turn off the water heater.

Maintenance And Care

Servicing the DSI Control Board

Guide for troubleshooting and servicing the DSI control board, including fuse checks.

Performing Preventative Maintenance

Routine checks and cleaning to ensure optimal performance and prevent issues.

Electronic Ignition Module Cleaning

Instructions for cleaning and inspecting the electronic ignition module and electrode.

Maintaining the Water Heater Tank

Procedures for maintaining the water heater tank, including draining and flushing.

Special Requirements for EXT Models

Notes specific issues and requirements for EXT model water heaters.

Servicing the Mixing Valve

Information on diagnosing and replacing the mixing valve.

Servicing the P;T Relief Valve

Guidance on the P/T relief valve, its function, and warnings.

Using After-Market Water Heating Element Devices

Warns against using unauthorized aftermarket parts, which voids the warranty.

Wiring Diagrams

Disposal

Limited Two-Year Warranty