Instruction Manual

Bradford White

TTW Series

Gas Water Heaters

Table of Contents

Page TTW Service Procedure

Introduction 4 - - -

How to use this manual 5 - - -

Tool required for service 5 - - -

Specifications 6 - - -

Control Timings 8 - - -

Sequence of Operation 9 - - -

Troubleshooting 12 - - -

Burner Inspection, Cleaning and Replacement 14 I

Pilot Testing, Cleaning and Replacement 16 II

Pressure Switch Testing and Replacement 17 III

Blower Testing and Replacement 19 IV

Blower Temperature Switch Testing and Replacement 21 V

Gas Control & Thermal well Testing & Replacement 23 VI

Simulated Resistive Device Testing and Replacement 27 VII

Safety Circuit Voltage Trace 28 VIII

115VAC Circuit Trace 29 IX

Dip Tube inspection and Replacement 30 X

Anode Inspection and Replacement 31 XI

Flue Baffle Inspection and Replacement 32 XII

Glossary of Terms 33 - - -

Parts List 35 - - -

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