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TABLE OF CONTENTS
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
Safety Warning (Carbon Monoxide) 5
Relief Valve Requirements (T&P) 6
Flooding/Freezing 6
III) INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Unpacking the Water Heater 6
Location Requirements 6
In Earthquake Zones
Closet Installation & Floor Surfaces
Clearances and Accessibility 7
Gas Supply 7
Gas Supply Pressure
Gas line purging
Gas Leak Testing
Gas Operating Pressures
Air Requirements 9
Ventilated Space Air Requirements for Canadian
Installations 9
Ventilated Space Air Requirements for U.S.
Installations 10
Exhaust Venting 11
Important Notes and Warnings
Venting terminations and sizing
Venting instructions
Vent pipe connection to blower
Water Supply 15
Piping Installation
Filling the Water Heater
Closed System/Thermal Expansion
Temperature and Pressure (T&P) Relief Valve 16
The Temperature and Pressure Relief Valve:
The Discharge Line/Driptube:
Electrical Supply 17
Flammable Vapour Sensor 18
Resettable Lockout 19
Water Heater Operation 19
Installation Checklist 20
IV) OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . 21
Temperature Regulation 21
Mixing Valves 21
Lighting Instructions (Robertshaw) 22
Gas Control/Thermostat
Putting the Heater into Service
Temperature Adjustment
Heater Shutdown
System Error Codes
Lighting Instructions (White-Rodgers) 24
Gas Control/Thermostat
Putting the Heater into Service
Temperature Adjustment
Heater Shutdown
System Error Codes
Intelli-Vent
TM
System Error Codes
V) OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Burner Flames 28
Operational Conditions 28
Condensation
Water Heater Sounds
Smoke/Odour
Anode Rod/Water Odour
VI) MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Draining and Flushing 28
Anode Rod Replacement 29
Routine Preventative Maintenance 29
Gas Control 29
Temperature and Pressure Relief Valve 29
Venting System and Blower 30
VII) COMBO HEATING . . . . . . . . . . . . . . . . . . . . . . . . 31
System Requirements 31
Installation 31
VIII) TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . 32
Robertshaw 2000WDER and
White-Rodgers Intelli-Vent
TM
32
IX) REFERENCE PARTS . . . . . . . . . . . . . . . . . . . . . . 33
Reference Parts Listing 33
Parts Reference Illustration 34
LIMITED WARRANTY. . . . . . . . . . . . . . . . . . . . . . 35
RETAIN THESE INSTRUCTIONS IN A SAFE LOCATION FOR FUTURE REFERENCE