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TABLE OF CONTENTS
Water Heater Safety ...........................................................................................................................................................................1-4
Safe Installation, Use and Service ......................................................................................................................................................3
Safety Precautions ............................................................................................................................................................................3-4
Typical Installation ...............................................................................................................................................................................5
Installing Your Gas Water Heater .....................................................................................................................................................6-8
Important Information About Your Water Heater ......................................................................................................................6
Consumer Information .............................................................................................................................................................6
Consumer Responsibilities ......................................................................................................................................................6
Unpacking the Water Heater ...................................................................................................................................................6
Location Requirements ............................................................................................................................................................7
Site Locations ..........................................................................................................................................................................7
Clearances and Accessibility ...................................................................................................................................................8
State of California ....................................................................................................................................................................8
Gas Supply .......................................................................................................................................................................................9-10
Gas Requirements ....................................................................................................................................................................9
Gas Piping ...............................................................................................................................................................................9
Gas Pressure ...........................................................................................................................................................................9
Gas Pressure Testing ...............................................................................................................................................................9
Gas Pipe Capacity Table .......................................................................................................................................................10
Combustion Air and Ventilation ....................................................................................................................................................11-15
Unconfined Space ...................................................................................................................................................................11
Confined Space ......................................................................................................................................................................11
All Air from Inside the Building ...............................................................................................................................................12
All Air from Outdoors ..............................................................................................................................................................12
Louvers and Grilles ...........................................................................................................................................................12-13
Vent Pipe System ..................................................................................................................................................................13
Draft Hood Installation ......................................................................................................................................................13-14
Vent Pipe Size .......................................................................................................................................................................14
Vent Connectors ....................................................................................................................................................................14
Chimney Connection ..............................................................................................................................................................14
Vertical Exhaust Gas Vent ................................................................................................................................................14-15
Water System Piping .....................................................................................................................................................................15-18
Piping Installation ..............................................................................................................................................................15-16
Closed System/Thermal Expansion .......................................................................................................................................16
Temperature & Pressure Relief Valve ...............................................................................................................................16-17
T&P Relief Valve and Pipe Installation ..................................................................................................................................17
Combination Space Heating/Potable Water System ........................................................................................................17-18
Solar Installation ....................................................................................................................................................................18
Electrical Connections and Wiring Diagram ..........................................................................................................................18
Important Information About this Water Heater ..............................................................................................................................19
Operating Your Water Heater .......................................................................................................................................................20-25
Gas Valve/Thermostat - Lighting Instructions ........................................................................................................................20
Checking the Draft .................................................................................................................................................................21
Burner Flames .......................................................................................................................................................................22
Emergency Shutdown ............................................................................................................................................................22
Water Temperature Regulation .........................................................................................................................................22-23
Operational Conditions .....................................................................................................................................................23-24
Routine Preventive Maintenance ...........................................................................................................................................24
Temperature and Pressure Relief Valve ................................................................................................................................25
Maintenance of Your Water Heater ..............................................................................................................................................25-27
Replacement Parts ................................................................................................................................................................25
Removing the Burner from the Manifold/Burner Assembly ...................................................................................................25
Replacing the Flame Sense/Hot Surface Igniter Assembly ...................................................................................................26
External Inspection & Cleaning of the Air Intake Chamber Louvers .....................................................................................26
Cleaning the Combustion Chamber andAir Diverter Assembly .............................................................................................26
Replacing the Manifold Burner/Assembly .........................................................................................................................26-27
Removing and Replacing the Gas Control Valve/Thermostat ...............................................................................................27
FVIR System Operational Checklist ......................................................................................................................................28
Troubleshooting Chart ..................................................................................................................................................................28-29
Control Display Troubleshooting ................................................................................................................................................30-33
Repair Parts Illustration .....................................................................................................................................................................34
Listed Parts Kits and Illustrations............................................................................................................................................35
Notes .... ..........................................................................................................................................................................................36-38
Warranty ..........................................................................................................................................................................................39-40