Installation Guide

2
TABLE OF CONTENTS
SAFE INSTALLATION, USE AND SERVICE............................3
GENERAL SAFETY INFORMATION ........................................ 4
Abbreviations Used.................................................................5
Qualied Installer or Service Agency ...................................... 5
Preparing For The Installation ................................................5
INTRODUCTION ...................................................................... 5
INSTALLATION CONSIDERATIONS .......................................6
Thermometers (Not Supplied) ................................................7
Facts to Consider About the Location ..................................... 7
High Altitude............................................................................8
Clearances..............................................................................8
Insulation Blankets..................................................................9
Hard Water .............................................................................9
Circulation Pumps...................................................................9
Gas Supply Systems ............................................................10
Gas Pressure Requirements ................................................10
Supply Gas Regulator...........................................................10
Mixing Valves ........................................................................ 10
INSTALLATION REQUIREMENTS ........................................10
Water Piping ......................................................................... 11
Closed Water Systems ......................................................... 11
Thermal Expansion ............................................................... 11
Temperature-Pressure Relief Valve ...................................... 11
Filling the Water Heater ........................................................12
Air Requirements .................................................................. 12
Unconned Space ................................................................13
Conned Space ....................................................................13
Fresh Air Openings For Conned Spaces ............................ 13
Outdoor Air Through Two Openings .....................................13
Outdoor Air Through Two Horizontal Ducts ..........................14
Outdoor Air Through Two Vertical Ducts ............................... 14
Air From Other Indoor Spaces ..............................................14
Venting ..................................................................................14
Gas Piping ............................................................................16
Sediment Traps.....................................................................17
TEMPERATURE REGULATION ............................................19
Start Up Conditions...............................................................19
Operational Conditions .........................................................20
Venting System Inspection ................................................... 21
Burner Inspection..................................................................21
Burner Cleaning ....................................................................21
Housekeeping .......................................................................21
PERIODIC MAINTENANCE ................................................... 21
Anode Rod Inspection ..........................................................22
Temperature-Pressure Relief Valve Test ..............................22
Draining And Flushing...........................................................23
Service ..................................................................................23
REPLACING PARTS ..............................................................24
Replacement Parts ...............................................................24
LEAKAGE CHECKPOINTS ....................................................27
REPAIR PARTS ...................................................................... 28
TROUBLESHOOTING GUIDELINES .....................................29
NOTES ...................................................................................30