Table Of Contents - A.O. Smith VB 1500 User Manual

TABLE OF CONTENTS .......................................................................2
SAFE INSTALLATION, USE, AND SERVICE ...................................3
APPROVALS ..........................................................................................3
GENERAL SAFETY...............................................................................4
INTRODUCTION ................................................................................. 5
INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF
MASSACHUSETTS ............................................................................... 6
SCHEMATIC DIAGRAM .........................................................................7
WIRING DIAGRAM ............................................................................ 8-9
OPERATION ....................................................................................10-11
Important ..........................................................................................10
General ...........................................................................................10
Filling and Purging of Heating Boiler Installation .............................10
Filling Hot Water Supply Boiler Installation .....................................10
Purging Gas Line ............................................................................10
Inlet Gas Pressure ..........................................................................10
Water Temperature Regulation ........................................................11
Manifold Pressure Connections .....................................................11
LIGHTING AND OPERATING INSTRUCTIONS .................................12
Adjustment .......................................................................................13

TABLE OF CONTENTS

TROUBLESHOOTING IGNITION SYSTEM ...................................... 19
PREVENTATIVE MAINTENANCE ................................................20-22
LIMITED WARRANTY ........................................................................ 23
2
Setting of the Test Mode ................................................................ 13
Control System .............................................................................. 13
Inputs to MCB ................................................................................ 14
Operating Sequence .................................................................15-16
Operating Setpoint Adjustment Procedure ...............................17-18
Troubleshooting Gas Valve ............................................................ 20
Main Burner ..............................................................................20-21
Relief Valve .................................................................................... 21
Blower Compartment ..................................................................... 21
Burner Maintenance ...................................................................... 21
Condensate Removal System ..................................................21-22
Venting Maintenance ..................................................................... 22
Heat Exchanger Preventive Maintenance ..................................... 22
Tube Cleaning Procedure Mechanical Removal of Deposits ...... 22
Replacement Parts ........................................................................ 22