A.O. Smith 3400 - Manual (Page 2)

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TABLE OF CONTENTS
TABLE OF CONTENTS .......................................................................... 2
SAFE INSTALLATION, USE AND SERVICE.......................................... 3
GENERAL SAFETY................................................................................ 4
INTRODUCTION .................................................................................... 5
Model Identification ............................................................................ 5
Abbreviations Used ........................................................................... 5
Qualifications ..................................................................................... 5
DIMENSIONS AND CAPACITY DATA .................................................... 6
FEATURES AND COMPONENTS ....................................................... 10
Component Description ................................................................... 12
CONTROL COMPONENTS ................................................................. 13
BOILER INSTALLATION CONSIDERATIONS ..................................... 15
Hydronic System ............................................................................. 15
Hot Water Boiler System - General Water Line Connections .......... 16
GENERAL REQUIREMENTS .............................................................. 21
Location ........................................................................................... 21
Fresh Air Openings For Confined Spaces ....................................... 23
VENTING .............................................................................................. 25
Vent Installation Considerations ...................................................... 25
CONDENSATE DISPOSAL .................................................................. 38
GAS SUPPLY CONNECTIONS ........................................................... 39
BOILER START UP AND OPERATIONS ............................................. 41
LIGHTING AND OPERATING INSTRUCTIONS .................................. 42
CONTROL SYSTEM ............................................................................ 45
Burner Control System .................................................................... 45
Burner Control Operation ................................................................ 46
General Operational Sequence ....................................................... 47
Local Operator Interface: Display System ....................................... 48
Installation Instructions (S7999D OI Display) .................................. 49
Starting Up The S7999D OI Display ................................................ 49
Page Navigation .............................................................................. 50
TROUBLESHOOTING ......................................................................... 59
MAINTENANCE PROCEDURES ......................................................... 74
Maintenance Schedules .................................................................. 74
General Maintenance ...................................................................... 74
Burner Maintenance ........................................................................ 75
Venting Maintenance ....................................................................... 76
Heat Exchanger Maintenance ......................................................... 76
Handling Ceramic Fiber Materials ................................................... 77
Replacement Parts .......................................................................... 77
PIPING DIAGRAMS ............................................................................. 78
LIMITED WARRANTY .......................................................................... 79