John Wood Power Direct Vent (Non-ENERGY STAR qualified models) - Manual (Page 3)

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I) INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
User Responsibilities 4
II) SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
For Installations in Canada: 5
For Installations in the United States: 5
Safety Warning (Flammable Vapours) 5
Safety Warning (Scalding) 5
Relief Valve Requirements (T&P) 6
III) INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Unpacking the Water Heater 6
Location Requirements 6
Site Location 6
Clearances and Accessibility 7
In Earthquake Zones
Gas Supply 7
Gas Requirements
Gas Piping
Gas Pressure
Gas Pressure Testing
Venting 8
Vent Pipe Material
Vent Pipe Connection to Blower
Vent Pipe Installation
Vent Pipe Length
Vent Pipe Runs
Vent Pipe Termination
Vent Terminal Installations
Side Wall Vent Terminal Installation
Vertical Vent Terminal Installation
Concentric Vent Termination Kit Installation
Water Supply 13
Piping Installation
Closed System/Thermal Expansion
Temperature and Pressure (T&P) Relief Valve 14
The Temperature and Pressure Relief Valve:
The Discharge Line:
Electrical Supply 14
Resettable Lockout 15
Installation Checklist 18
IV) LIGHTING & OPERATING INSTRUCTIONS . . . . 19
Lighting Instructions (Robertshaw) 19
First Lighting 20
Gas Control
Robertshaw 2000N WDER Operation
Temperature Adjustment
Lighting Instructions (White-Rodgers) 22
Gas Control/Thermostat
Putting the Heater into Service
Temperature Adjustment
Heater Shutdown
System Error Codes
Intelli-Vent
TM System Error Codes
V) OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Water Heater Operation 26
Burner Flames 26
Stacking 26
Emergency Shut Down 26
Operational Conditions 26
Condensation
Water Heater Sounds
Smoke/Odour
Anode Rod/Water Odour
VI) MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Draining and Flushing 28
Routine Preventative Maintenance 28
Temperature and Pressure Relief Valve 28
Replacement Parts 28
VII) COMBO HEATING . . . . . . . . . . . . . . . . . . . . . . . . 29
System Requirements 29
Installation 30
VIII) TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . 31
Robertshaw 2000N WDER and White-Rodgers
Intelli-Vent
TM 31
IX) PARTS REFERENCE ILLUSTRATION. . . . . . . . . 32
LIMITED WARRANTY. . . . . . . . . . . . . . . . . . . . . . 33
TABLE OF CONTENTS
RETAIN THESE INSTRUCTIONS IN A SAFE LOCATION FOR FUTURE REFERENCE