2
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
