Atwood Pilot 6 Gallon User Manual

1
Atwood Water Heaters
Table of Contents
• AftermarketLP Gas Water Heater Model Identification ................................................................2
• Pilot Models
• Questions ............................................................................................................................3
• Model Number Explanation / Features ......................................................................................4
• Recommended Tools & Equipment ..........................................................................................5
• Gas Thermostat Controls & Pilot Assemblies ..............................................................................6
• Pilot Sequence of Operation....................................................................................................7
• Pilot & Main Burner................................................................................................................8
• Trouble Shooting Guide - Pilot ................................................................................................9
• Engine Heat Exchange System / Aftermarket Heating Elements....................................................10
• Bolt-In Heating Element, Thermostat & ECO / 110 VAC Trouble Shooting Wiring Schematic ..............11
• Screw-In Heating Element, Thermostat & ECO / 110 VAC Trouble Shooting Wiring Schematic ..........12
• Electronic Ignition & XT Models
• Questions ..........................................................................................................................13
• Model Number Explanation / Features ....................................................................................14
• Recommended Tools & Equipment..........................................................................................15
• DSI Sequence of Operation ..................................................................................................16
• Trouble Shooting Guide - Electronic Ignition ........................................................................17-18
• Information Guide - Intermittent Ignition ..............................................................................19-20
• Potted Channel Circuit Boards / Thermal Cut Off Device / Thermostat ..........................................21
• Wiring Schematics ..............................................................................................................22
• Water Heater Wiring Revision GC 10A-4E & GC 6A-10E..............................................................23
• Water Heater Conversion 3E to 4E & 9E 10E ............................................................................24
• 4E & 10E - Sequence of Operation & Quick Diagnostic ..............................................................25
• General Water Heater Information
• Questions ..........................................................................................................................26
• Pressure Temperature Relief Valve / Water Heater Tank Corrosion / Atwood Clad Tank ....................27
• Flushing Tank / Winterizing Instructions....................................................................................28
• Water Heater Terminology ....................................................................................................29
• Pilot Water Heater Parts Breakdown ....................................................................................30-32
• Replacement Part Reference
G10B, G10C / G610-3B, GH610-3 / G4SM / G6A-2, G6A-3, G6A-6, G6A-6P, G6A-7, G6A-7P / GC6A, GC6A-3,
GC6A-6, GC6A-7 / GH6-3, GH6-6, GH6-7 / GC6AA-7, GC6AA-7P / GC6AA-8, GC6AA-8P / G610-3,
GC10-1, GC10-2, GC10-2P / GC10A-2 / GC10A-2P / G10-1, G10-1P, G10-2, G10-2P
• Electronic Ignition Water Heater Parts Breakdown ................................................................33-36
• Replacement Part Reference
G610-3E, GH610-3E / GCH6-4E, GCH6-6E, / GC6A-7E / GC6AA-7E / GC6AA-8E / GC6AA-9E, GC6AA-10E
G6A-2E, G6A-3E, G6A-4E, G6A-6E, G6A-7E, G6A-8E / G6A-3E, GH6-3E / GH6-4E, GH6-6E, GH6-7E,
GH6-8E / GCH6A-7E, GCH6A-8E, GCH6A-9E / GCH6A-10E / GCH10A-2E, GCH10A-3E / GCH10-4E / G10-1E /
GH10-2E, GH10-3E / GC10-1E, GC10-2E / GC10A-2E / GC10A-3E / GC10A-4E
• XT Water Heater
• 10 Gal XT Water Heater Replacement Valve Kit ........................................................................37
• Parts Reference ..................................................................................................................38
• Wiring Diagram....................................................................................................................39
• Service Tank Kit Part Numbers ................................................................................................40
• Marine Water Heater Parts Breakdown ....................................................................................41

Atwood Pilot 6 Gallon Specifications

General

Capacity	6 gallons
Fuel Type	Propane
Input BTU	6, 000 BTU
Thermostat	Adjustable
Voltage	12V DC

Summary

Pilot Sequence of Operation

Pilot Operation

Step-by-step guide to pilot ignition and operation.

Main Burner Operation

Step-by-step guide to main burner ignition and operation.

Pilot and Main Burner

Pilot Adjustment

Procedures for adjusting the pilot flame.

Main Burner Adjustment

Procedures for adjusting the main burner flame.

Main Burner Alignment

Pilot Water Heater Troubleshooting Guide

Pilot Outage

Causes and solutions for pilot ignition failure.

Main Burner Will Not Ignite

Troubleshooting steps for when the main burner fails to ignite.

Erratic Main Burner Flame

Causes and fixes for an unstable burner flame.

Insufficient Water Temperature

Troubleshooting low water temperature problems.

Engine Heat Exchange System

Aftermarket Heating Elements

Warning regarding the use and risks of aftermarket heating elements.

BOLT-IN Heating Element, Thermostat & ECO

SCREW-IN Heating Element, Thermostat & ECO

110VAC Trouble-Shooting Wiring Schematic

Wiring diagram and troubleshooting for screw-in heating elements.

DSI Sequence of Operation

Gas Supply and Power

Safety Components

Key safety devices like Thermal Cut-Off, Thermostat, and E.C.O.

Ignition and Control

Circuit board, gas valve, and electrodes for ignition.

Electronic Ignition Water Heater Troubleshooting Guide

Water Heater Lock Out - Spark Present But No Gas

Troubleshooting when spark is present but gas is not.

Water Heater Lock Out - Gas Present But No Spark

Troubleshooting when gas is present but spark is absent.

Water Heater Lock Out - Gas and Spark Present

Troubleshooting when both gas and spark are present.

Electronic Ignition Water Heater (continued)

Burner and Airflow Checks

Checks for air adjustment, orifice, and tube obstructions.

System Voltage and Pressure Checks

Verifying voltage to valve and RV gas pressure.

Circuit Board Checks

Guidance on troubleshooting circuit board issues.

Intermittent Ignition Information Guide

Check All of the Wire Connections

Importance of checking and cleaning wire connections.

Check the Integrity and Position of the Spark Probe Assembly

Inspect spark probe for proper function and placement.

Check the Alignment of the Main Burner to the Orifice

Ensure correct alignment of burner tube and orifice.

Check the Alignment of the Flame Spreader on the Burner Tube

Proper positioning of flame spreader for heat distribution.

Intermittent Ignition Water Heater (continued)

Check the Air Adjustment

Adjusting the air shutter for optimal flame.

Check the Cleanliness of the Orifice

Cleaning the main burner orifice.

Check for Obstructions in the Main Burner Tube

Inspecting the main burner tube for blockages.

Check the Cleanliness of the Flue Tube

Cleaning the flue tube for obstructions.

Check the Voltage to the Valve

Verifying the DC voltage supply to the gas valve.

Check the Gas Pressure of the RV

Procedures for checking gas pressure under load.

Intermittent Circuit Board

Guidance on troubleshooting circuit board issues.

Water Heater Wiring Schematics

Wiring Schematic G6A-2E, G6A-3E, GH6-4E, GH6-3E Water Heaters (Rear Mount ECO and Thermostat Models)

Wiring Schematic G6A-3E, G6A-4E, GH6-3E, GH6-4E, GCH6-4E, G6A-6E, GCH6-6E, GH6-6E Water Heaters (Front Mount ECO and Thermostat Models)

Wiring Schematic G6A-7E, GH6-7E, GC6A-7E, GCH6-7E, GC6AA-7E, G6A-8E, GH6-8E, GC6AA-8E, GCH6AA-8E, GCH6A-9E

GC 10A-4E & GC 6A-10E Wiring

Sequence of Operation GC10A-4E & GC6A-10E

Quick Diagnostic GC10A-4E & GC6A-10E

Wiring Diagram Combination Gas/Electric

Pressure-Temperature Relief Valve

Water Heater Tank Corrosion

Winterizing (Flushing) Instructions

Pilot Water Heaters

110VAC Thermostats and Switches

Safety Components

Safety Devices

Heating Components

Electric Side Combination Water Heaters

Electronic Water Heaters

Replacement Part Reference January 2007

Ignition and Control Components

110VAC Switches and Controls

110VAC Heating Elements

Thermostats and Elements

110VAC Thermostats and Safety Devices

XT Water Heater MPD 92690 Replacement Valve Kit

10 Gallon TE 2004-2005

10 Gallon XT New for 2005-2006

XT Water Heater Part Identification

Spark Ignition Heat Exchange Combination Gas/Electric

Combination Gas/Electric

Wiring Diagram Combination Gas/Electric

Service Tank Kit Part Numbers

Gas Ignition Models

Electronic Ignition Models

Electric Water Heater

110V Thermostat and Safety Kit

110V Heating Elements

Pressure Relief Valves