2
TABLE OF CONTENTS
Water Heater Safety
.......................................................................................................................................................................... 1 -2
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 ......................................................................................................................................................... 6-7
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
LP Gas Only ........................................................................................................................................................................... 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
..................................................................................................................................................................... 15-17
Piping Installation .............................................................................................................................................................. 15-16
Closed System/Thermal Expansion ....................................................................................................................................... 16
Temperature & Pressure Relief Valve .................................................................................................................................... 17
T&P Relief Valve and Pipe Installation .................................................................................................................................. 17
Important Information About this Water Heater
.............................................................................................................................. 18
Operating Your Water Heater
....................................................................................................................................................... 19-21
Lighting Instructions ............................................................................................................................................................... 19
Checking the Draft ................................................................................................................................................................. 20
Burner Flames ....................................................................................................................................................................... 20
Emergency
Shutdown
............................................................................................................................................................ 20
Water Temperature Regulation ......................................................................................................................................... 20-21
Water
Temperature
Adjustment
............................................................................................................................................. 21
Operating Modes and Settings .............................................................................................................................................. 21
Electrical Connections/Wiring Diagram ................................................................................................................................. 22
Operational
Conditions
..................................................................................................................................................... 23-24
Draining and Flushing ............................................................................................................................................................ 24
Routine Preventive Maintenance ........................................................................................................................................... 24
Temperature and Pressure Relief Valve ................................................................................................................................ 25
Maintenance of Your Water Heater
.............................................................................................................................................. 25-29
Replacement Parts ................................................................................................................................................................ 25
Removing the Burner Manifold/Burner Assembly .................................................................................................................. 25
Removing the Burner from the Manifold/Burner Assembly ................................................................................................... 26
Replacing the Pilot/Igniter - Flame Sense Assembly ............................................................................................................. 26
External Inspection & Cleaning of the Base-Ring Filter ........................................................................................................ 27
Cleaning the Combustion Chamber and Flame-arrestor ....................................................................................................... 27
Replacing the Manifold Burner/Assembly ......................................................................................................................... 27-28
Igniter System ........................................................................................................................................................................ 28
Testing the Igniter System ..................................................................................................................................................... 28
Removing and Replacing the Gas Control Valve/Thermostat .......................................................................................... 28-29
FVIR System Operational Checklist ...................................................................................................................................... 29
Troubleshooting Checklist
........................................................................................................................................................... 29-30
Status Light Troubleshooting Flowchart
.................................................................................................................................... 31-32
Sequence of Operation Chart
........................................................................................................................................................... 33
Repair Parts Illustration
................................................................................................................................................................ 34-35
Notes
.... .......................................................................................................................................................................................... 36-38
Warranty
.......................................................................................................................................................................................... 39-40