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SBD TANK TYPE HEATERS
SERVICE HANDBOOK
Technical Training Department
Ashland City, TN ©2003
1
SBD
HANDBOOK
TABLE OF CONTENTS
PAGE PAGE
Troubleshooting (continued)
Introduction 1-2 Troubleshooting the Efflkal 28-30
Wire Harness Test 31
Installation 3 IID Module 32
Clearances 4 Pilot Spark 33
Air Requirements 5-8 Pilot Valve 34-35
Contaminated Air 9 Main Burner Test 36
Flammable 9 Flame Rectification 37
Gas Pressure 10 IID Module 38
Gas Valve 11 Main Gas Valve 39-40
Venting 12-15
Sequence of Operation
Mechanical 16 Service Charts and General
Electrical 17-18 Questions and Answers 41-42
Troubleshooting Parts List 43-50
Transformer 19
High Limit 20-21 Component Part Information 51
Damper (on Standby) 22
PC Board 22-23 Service Check List 52-53
Thermostat 24
Effikal Damper 25 Comments 54
Effikal Harness Test 26
Normal Operation 26-27
SBD SERVICE HANDBOOK INTRODUCTION
This service
handbook is designed to aid in servicing and troubleshooting State SBD water heaters in the
field. No duplication or reproduction of this book may be made without the express written authorization of
the State Water Heater Company.
The following text and illustrations will provide you with a step by step procedure to verify proper installation,
operation, and troubleshooting procedures. Additional quick reference data is included to assist you in
servicing this product.
The information contained in this handbook is designed to answer common questions encountered in the
operation of the SBD product line and is not meant to be all inclusive. If you are experiencing a problem not
covered in this handbook, please contact the Technical Information Department at 1-800-365-0577 or your
Local State Water Heater Sales Representative for further assistance. This handbook is intended for use by
licensed plumbing professionals and reference should be made to the installation manual accompanying the
product. This handbook contains supplemental information to the SBD installation and operat
ion manual.