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SAFE INSTALLATION, USE AND SERVICE 2
SAFETY PRECAUTIONS 3
TABLE OF CONTENTS 5
PRODUCT WARRANTY 6
CUSTOMER RESPONSIBILITIES 7
Qualified Installer Or Service Agency ........... 8
Preparing For The Installation ................. 8
PRODUCT SPECIFICATIONS 9
INSTALLATION REQUIREMENTS FOR THE
COMMONWEALTH OF MASSACHUSETTS 9
MATERIALS AND BASIC TOOLS NEEDED 11
TYPICAL INSTALLATION 12
Get To Know Your Water Heater - Gas Models... 12
IMPORTANT INFORMATION ABOUT THIS WATER
HEATER 14
Installation Checklist ....................... 14
INSTALLATION INSTRUCTIONS 15
Removing the Old Water Heater .............. 15
Facts To Consider About The Location ......... 16
Storage Of Flammable Liquids ............... 17
Clearances To Combustibles ................ 17
Floors With Carpeting ...................... 18
Clearance For Servicing .................... 18
Insulation Blankets ........................ 19
GAS SUPPLY 20
Gas Piping .............................. 20
Sediment Traps/Dirt Leg .................... 21
High Altitude Installation .................... 21
COMBUSTION AIR SUPPLY & VENTILATION 22
Air Requirements ......................... 22
Unconfined Space ......................... 22
Unusually Tight Construction ................ 22
Confined Space .......................... 22
Direct Vent Appliances ..................... 22
Exhaust Fans ............................ 22
Fresh Air Openings For Confined Spaces ...... 22
All Air From Inside Buildings ................. 23
All Air From Outdoors ...................... 23
Chemical Vapor Corrosion .................. 24
VENTING 25
Exhaust Venting .......................... 25
Planning The Vent System .................. 25
High Ambient Temperature Installations ........ 26
Polypropylene Vent Systems ................ 26
Condensate .............................. 27
Venting Terminations and Sizing .............. 27
Vent Screen Installation .................... 28
Important Notes and Warnings ............... 28
Termination Clearances Sidewall Power Vent ... 29
Calculating Equivalent Feet ................. 30
Vent Pipe Preparation ...................... 31
Venting Installation ........................ 33
Vent Pipe Connection To Blower .............. 35
Different Coupling Installations According To Vent
Sizes ................................... 35
Blower Exhaust Direction ................... 36
Blower Assembly Installation ................ 36
WATER SYSTEM PIPING 37
Water Piping ............................. 37
Mixing Valve Usage ........................ 38
Closed Water Systems ..................... 39
Thermal Expansion ........................ 39
Temperature-Pressure Relief Valve ........... 39
T&P Valve Discharge Pipe Requirements ....... 40
Temperature-Pressure Relief Valve and Pipe
Insulation ................................ 40
Filling The Water Heater .................... 41
ELECTRICAL SUPPLY 42
Electrical Requirements & Wiring Diagram ...... 42
SAFETY LOCKOUTS 44
System Status LED Indicator Light ............ 44
High Limit Controls (Energy Cut Off) ........... 44
Thermostat/Water Temperature .............. 44
Blower High Limit Switch ................... 44
Blower Air Pressure Switch .................. 44
Flammable Vapor Sensor ................... 44
LIGHTING INSTRUCTIONS 45
OPERATING YOUR WATER HEATER 46
Water Heater Operation .................... 46
Temperature Regulation .................... 46
Gas Control Valve/thermostat ................ 47
SERVICE AND ADJUSTMENT 48
General Upkeep .......................... 48
Venting System Inspection .................. 48
Blower Maintenance ....................... 48
Cleaning The Blower ....................... 48
Burner Operation And Inspection ............. 49
Combustion Chamber And Burner Cleaning ..... 50
Housekeeping ............................ 50
Anode Rod Inspection ...................... 50
Anode Rod .............................. 51
Removing Anode Rod ...................... 51
Installing Anode Rod ....................... 51
Temperature-Pressure Relief Valve Test ........ 52
Draining And Flushing ...................... 52
To Drain The Water Heater Storage Tank ....... 53
To Flush The Water Heater Storage Tank ....... 53
Service ................................. 53
TROUBLESHOOTING GUIDE 54
Start Up Conditions ........................ 54
Condensate .............................. 54
Thermal Expansion ........................ 54
Smoke/Odor ............................. 55
Strange Sounds .......................... 55
Operational Conditions ..................... 55
Smelly Water ............................. 55
"Air" In Hot-water Faucets ................... 56
Leakage Checkpoints ...................... 57
TROUBLESHOOTING CHECKLIST 58
Resetting The Heater Control ................ 61
Lockouts ................................ 61
Soft Lockout ............................. 61
Hard Lockout ............................. 61
Ignition State And Timing ................... 61
System Status And Error Codes .............. 62
Reading The LED Flash Sequence ............ 62
Corrective Actions ......................... 63
PARTS ORDER LIST 66
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