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TABLE OF CONTENTS
I)
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Consumer Responsibilities . . . . . . . . . . . . . . . . . . 3
II) Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation Codes . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Warning (Flammable Vapours) . . . . . . . . . 4
Safety Warning (Scalding) . . . . . . . . . . . . . . . . . . 4
Safety Warning (Carbon Monoxide) . . . . . . . . . . . 5
Relief Valve Requirements (T&P) . . . . . . . . . . . . . 5
Fuel Specifications . . . . . . . . . . . . . . . . . . . . . . . . 6
III) Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Unpacking the Water Heater. . . . . . . . . . . . . . . . . 6
Location Requirements . . . . . . . . . . . . . . . . . . . . . 6
In Earthquake Zones
Clearances and Accessibility . . . . . . . . . . . . . . . . 7
Oil Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Burner Installation . . . . . . . . . . . . . . . . . . . . . . . . . 7
Air Requirements . . . . . . . . . . . . . . . . . . . . . . . . 10
Vent and Exhaust Connections. . . . . . . . . . . . . . 10
Vent Pipe System
General Chimney Requirements
Flue Pipe
Draft Regulator
Chimney
Blocked Vent Safety Switch
Installation
Power Venting
Installation Of Power Venter
Water Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Piping Installation
Mixing Valves
Closed System/Thermal Expansion
Temperature And Pressure (T&P) Relief Valve
The Temperature And Pressure Relief Valve:
The Discharge Line/Driptube:
Temperature-Pressure Relief Valve And
Pipe Insulation
Vacuum Relief Valves
To Replace Existing Aquastat
Electrical Supply . . . . . . . . . . . . . . . . . . . . . . . . . 16
Filling The Water Heater
Installation Checklist . . . . . . . . . . . . . . . . . . . . . . 17
IV) Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Startup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Water Temperature Regulation . . . . . . . . . . . . . . 18
To adjust the thermostat
Water Heater Operation . . . . . . . . . . . . . . . . . . . 19
Stacking
Water Heater Sounds
Smoke/Odour
Anode Rod/Water Odour
V) Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Professional Maintenance
Flue Pipes
Combustion Tests
Routine Preventative Maintenance
(By Owner/Operator)
Draining And Flushing
Temperature And Pressure Relief Valve
Anode Maintenance
To check/replace the anode:
Valve Washer Replacement
Cleaning Instructions, Flue Passages Of
The JW F657 Heater
Shut Down For Extended Periods
Re-Starting The Heater After Shut-Down
VI) Combo Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Read Before Proceeding . . . . . . . . . . . . . . . . . . 23
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
VII) Oil Burner Listing . . . . . . . . . . . . . . . . . . . . . . . . . 25
RETAIN THESE INSTRUCTIONS IN A SAFE LOCATION FOR FUTURE REFERENCE
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