2
TABLE OF CONTENTS
Water Heater Safety
.............................................................................................................................................................................. 1
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 Location ............................................................................................................................................................................ 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
..................................................................................................................................................................... 15-18
Piping Installation .............................................................................................................................................................. 15-16
Closed System/Thermal Expansion ....................................................................................................................................... 16
Temperature & Pressure Relief Valve .................................................................................................................................... 17
T&P Relief Valve and Pipe Installation .................................................................................................................................. 17
Combination Space Heating/Potable Water System ........................................................................................................ 17-18
Solar Installation .................................................................................................................................................................... 18
Important Information About this Water Heater
.............................................................................................................................. 19
Operating Your Water Heater
....................................................................................................................................................... 20-26
Lighting Instructions .......................................................................................................................................................... 20-21
Checking the Draft ................................................................................................................................................................. 22
Burner Flames ....................................................................................................................................................................... 22
Emergency
Shutdown
............................................................................................................................................................ 22
Water Temperature Regulation ......................................................................................................................................... 22-23
Operating the Temperature Control System ........................................................................................................................... 23
Operational Conditions ..................................................................................................................................................... 23-24
Draining and Flushing ............................................................................................................................................................. 25
Routine Preventive Maintenance ........................................................................................................................................... 25
Temperature and Pressure Relief Valve ........................................................................................................................... 25-26
Maintenance of Your Water Heater
.............................................................................................................................................. 26-29
Replacement Parts ................................................................................................................................................................ 26
Removing the Burner from the Manifold/Burner Assembly ................................................................................................... 26
Replacing the Pilot / Thermopile Assembly ........................................................................................................................... 27
External Inspection & Cleaning of the Base-Ring Filter ........................................................................................................ 28
Cleaning the Combustion Chamber and Flame-arrestor ....................................................................................................... 28
Replacing the Manifold Burner/Assembly ......................................................................................................................... 28-29
Piezoelectric Igniter System .................................................................................................................................................. 29
Testing the Igniter System ..................................................................................................................................................... 29
Removing and Replacing the Gas Control Valve/Thermostat ............................................................................................... 29
FVIR System Operational Checklist ...................................................................................................................................... 30
Troubleshooting Checklist
........................................................................................................................................................... 30-31
Pilot Light Troubleshooting Flowchart
............................................................................................................................................ 32
Status Light and Diagnostic Code Troubleshooting Chart
........................................................................................................ 33-34
Notes
.... ............................................................................................................................................................................................... 35
Repair Parts
................................................................................................................................................................................... 36-37
Warranty
.......................................................................................................................................................................................... 38-39
