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TABLE OF CONTENTS
SAFE INSTALLATION, USE AND SERVICE . . . . . . . . . . . 3
GENERAL SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Quali
fi
ed Installer Or Service Agency . . . . . . . . . . . . 6
Preparing For The Installation . . . . . . . . . . . . . . . . . . 6
INSTALLATION REQUIREMENTS FOR THE
COMMONWEALTH OF MASSACHUSETTS . . . . . . . . . . . 7
TYPICAL INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . 9
Get To Know Your Water Heater - Gas Models
(List Referencing Figures 1-5). . . . . . . . . . . . . . . . . . 9
Replacement Parts And Deliming Products . . . . . . 10
Combo Heating Inlet And Outlet Side Taps. . . . . . . 10
Water Piping - Mixing Valve Usage . . . . . . . . . . . . . .11
Mixing
Valves
Water Heater Operation . . . . . . . . . . . . . . . . . . . . . 12
Electrical Requirements & Wiring Diagram . . . . . . . 13
SAFETY LOCKOUTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
High Limit Controls (Energy Cut Off). . . . . . . . . . . . 14
Thermostat/Water
Temperature
Blower High Limit Switch
Blower Air Pressure SwitchEs. . . . . . . . . . . . . . . . . 14
LOCATING THE NEW WATER HEATER . . . . . . . . . . . . . 15
Facts To Consider About The Location . . . . . . . . . . 15
Clearances
To
Combustibles
Floors With Carpeting
Clearances For Servicing
High Ambient Temperature Installations . . . . . . . . . 16
Important Notes and Warnings
Insulation Blankets . . . . . . . . . . . . . . . . . . . . . . . . . 17
Air Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 17
INSTALLING THE NEW WATER HEATER . . . . . . . . . . . 18
Water Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Space Heating And Potable Water Systems . . . . . . 18
Combo Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
System
Requirements
Installation
Closed Water Systems . . . . . . . . . . . . . . . . . . . . . . 20
Thermal Expansion . . . . . . . . . . . . . . . . . . . . . . . . . 20
Temperature-Pressure Relief Valve. . . . . . . . . . . . . 21
T&P Valve Discharge Pipe Requirements:
Temperature-Pressure Relief Valve And
Pipe Insulation
High Altitude Installation . . . . . . . . . . . . . . . . . . . . . 22
Gas Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Sediment Traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Filling The Water Heater . . . . . . . . . . . . . . . . . . . . . 24
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Termination Clearances (Sidewall) . . . . . . . . . . . . . 26
Side Wall Vent Terminal Installation
Roof Vent Terminal Installation
Concentric Vent Termination Kit Installation
Multiple Concentric Vent Installations
Vent Pipe Length
Vent
Pipe
Termination
Venting
Terminations
And
Sizing
Vent Screen Installation
Vent Pipe Material
Vent Pipe Preparation . . . . . . . . . . . . . . . . . . . . . . . 31
Vent Pipe Installation
Vent Pipe Runs
Vent
Terminal
Installations
Blower Assembly Installation. . . . . . . . . . . . . . . . . . 35
Vent/Intake Pipe Connections To Blower/Air Duct
Coupling Installations According To Vent Sizes
Sound Suppressor . . . . . . . . . . . . . . . . . . . . . . . . . 37
Side Wall Vent Installation
Vertical Vent Installation
Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . 38
LIGHTING INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . 39
OPERATING THE TEMPERATURE
CONTROL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Gas Control Valve/Thermostat . . . . . . . . . . . . . . . . 41
FOR YOUR INFORMATION. . . . . . . . . . . . . . . . . . . . . . . 42
Start Up Conditions . . . . . . . . . . . . . . . . . . . . . . . . . 42
Condensate
Smoke/Odor
Strange
Sounds
Operational Conditions . . . . . . . . . . . . . . . . . . . . . . 42
Smelly
Water
“Air” In Hot-Water Faucets . . . . . . . . . . . . . . . . . . . 42
PERIODIC MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 43
General Upkeep . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Venting System Inspection . . . . . . . . . . . . . . . . . . . 43
Burner Operation And Inspection . . . . . . . . . . . . . . 43
Combustion Chamber And Burner Cleaning . . . . . . 44
Housekeeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Temperature-Pressure Relief Valve Test . . . . . . . . . 44
Draining And Flushing . . . . . . . . . . . . . . . . . . . . . . . 45
To Drain The Water Heater Storage Tank:
To Flush The Water Heater Storage Tank:
Anode Rod Maintenance. . . . . . . . . . . . . . . . . . . . . 46
LEAKAGE CHECKPOINTS . . . . . . . . . . . . . . . . . . . . . . . 47
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
REFERENCE PARTS LISTING . . . . . . . . . . . . . . . . . . . . 48
TROUBLESHOOTING GUIDELINES. . . . . . . . . . . . . . . . 50
Lockouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Soft
Lockout
Hard
Lockout
Resetting The Heater Control . . . . . . . . . . . . . . . . . 50
Ignition State And Timing . . . . . . . . . . . . . . . . . . . . 50
System Status And Error Codes . . . . . . . . . . . . . . . 51
Reading The LED Flash Sequence. . . . . . . . . . . . . 51
Corrective Actions . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Other Symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
