Table Of Contents

Safe Installation, Use and Service

3

General Safety Information

4

Precautions

5

Grounding Instructions

5

Hydrogen Gas Flammable

5

Introduction

6

Abbreviations Used

6

Qualifications

6

FEATURES AND COMPONENTS

7

The Eliminator (self-cleaning system)

7

High Limit Switch

7

Electronic Ignition Control

7

Exhaust Inducer (blower assy.)

7

Uncrating

7

Low Gas Pressure Switch

7

Installation considerations

8

Rough In Dimensions

8

Recovery Capacities

8

Gas and Electrical Characteristics

8

Locating the Water Heater

9

Clearances

9

Installation on Combustible Flooring

10

Insulation Blanket

10

HARD WATER

10

Circulation pumps

10

High Altitude Installations

11

Installation Requirements

12

Gas Supply System

12

Gas Pressure Requirements

12

Supply Gas Regulator

12

Power Supply

12

Water Temperature Control and Mixing Valves

12

Dishwashing Machines

13

Closed Water Systems

13

Thermal Expansion

13

Temperature-Pressure Relief Valve

13

Contaminated Air

14

Air Requirements

14

Unconfined Space

15

Confined Space

15

VENTING INSTALLATION

15

Venting

15

Multiple Heater Manifold

16

Fresh Air Openings for Confined Spaces

16

Outdoor Air Through Two Openings

16

Outdoor Air Through One Opening

16

Outdoor Air Through Two Horizontal Ducts

16

Outdoor Air Through Two Vertical Ducts

17

Air From Other Indoor Spaces

17

Technical Data Venting

18

Water heater installation

20

Water Line Connections

20

T&P Valve Discharge Pipe

20

Installation Diagrams - Top Inlet/Outlet Usage

21

Heater Wiring

22

Gas Piping

23

Gas Line Leak Testing

23

Purging

23

Start Up

24

Prior to Start Up

24

Initial Start Up

24

Checking Venting

25

Gas Valves

25

Checking the Input

25

Water Temperature Adjustment

25

SEQUENCE OF OPERATION

26

Lighting & Operation Label

26

Sequence of Operation Flow Chart

27

Maintenance

28

Check the Igniter Assembly and Main Burners

28

Igniter Assembly

28

Main Burner

28

Venting System

28

Remote Storage Tank Temperature Control

28

Temperature-Pressure Relief Valve Test

28

Hot Water Odor

29

Anode Rod Inspection

29

Draining and Flushing

29

Recommended Procedure for Periodic

 

Removal of Lime Deposits from Tank Type

 

Commercial Water Heaters

29

Deliming Solvents

30

Tank Cleanout Procedure

30

Deliming Using FLO-JUG Method

30

SERVICE

32

Ignition Module System

32

System Diagnostics

32

Electrical Servicing

32

For Your Information

33

Start Up Conditions

33

Operational Conditions

33

Troubleshooting

34

Water Piping Diagrams

35

Manifold Kits

50

Warranty

51

2

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American Water Heater ABCG3 instruction manual Table Of Contents