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TABLE OF CONTENTS
SAFE INSTALLATION, USE AND SERVICE.................................3
APPROVALS .................................................................................3
GENERAL SAFETY INFORMATION .............................................4
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INTRODUCTION ...........................................................................7
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Preparing For The Installation ..................................................7
DIMENSIONS AND CAPACITY DATA ...........................................8
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FEATURES AND COMPONENTS ..............................................10
34 Gallon Unit .........................................................................10
50 Gallon Unit .........................................................................11
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INSTALLATION CONSIDERATIONS ..........................................14
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Insulation Blankets .................................................................15
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INSTALLATION REQUIREMENTS .............................................16
Gas Supply Systems ..............................................................16
Supply Gas Regulator ............................................................16
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Mixing Valves..........................................................................17
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Storage Tank Installation ........................................................18
Solar Installation .....................................................................18
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Thermal Expansion ................................................................18
Temperature-Pressure Relief Valve ........................................19
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VENTING INSTALLATION ..........................................................21
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Polypropylene Installations .....................................................22
Vent Pipe Termination.............................................................22
Planning The Vent System .....................................................22
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Horizontal Vent Terminal Installation ......................................24
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Venting Multiple Units .............................................................29
WATER HEATER INSTALLATION ...............................................30
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Supply Gas Line Installation ...................................................30
Gas Line Leak Testing ............................................................31
Purging ...................................................................................31
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TEMPERATURE REGULATION .................................................34
High Temperature Limit Control (ECO)...................................34
Thermostat Control .................................................................34
CONTROL SYSTEM OPERATION .............................................35
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Control System Navigation .....................................................35
User Settings & Control System Menus .................................38
START UP ...................................................................................43
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Prior to Start Up ......................................................................43
Filling the Water Heater ..........................................................43
Initial Start Up .........................................................................44
LIGHTING THE WATER HEATER ..............................................45
Lighting & Operation Labels ...................................................45
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Gas Input Rate .......................................................................46
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TROUBLESHOOTING ................................................................47
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Operational Problems .............................................................49
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LEAKAGE CHECKPOINTS .........................................................52
PERIODIC MAINTENANCE ........................................................53
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Temperature-Pressure Relief Valve Test ................................53
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DIAGRAMS .................................................................................55
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Wiring Diagram .......................................................................56
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Piping Diagrams .....................................................................58