Bradford-White Corp C)*(N Manual Do Utilizador

PDX Series

Powered Direct Vent 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

21

IV

Blower Temperature Switch Testing and Replacement

 23

V

Gas Control & Thermal well Testing & Replacement

25

VI

Flammable Vapor Sensor Testing & Replacement

 29

VII

Safety Circuit Voltage Trace

 30

VIII

115VAC Circuit Trace

 31

IX

Dip Tube inspection and Replacement

 32

X

Anode Inspection and Replacement

 33

XI

Flue Baffle Inspection and Replacement

 34

XII

Inner Door Removal, Inspection & Replacement

35

XIII

Glossary of Terms

38

- - -

Parts List

 39

- - -

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