
Combustion – Four Steps
This quick tutorial will guide you through the steps on proper burner adjustments for flame retention burners. Click on each image to see larger.
Make sure the sample hole is in the right location.
Desirable location for 1/4″ flue pipe sampling hole for typical chimney connections
- Locate hole at least one flue pipe diameter on the furnace or boiler side of the draft control.
- Ideally, hole should be at least 2 flue pipe diameters from breeching or elbow.
Troubleshooting Tips
Here are some troubleshooting tips if a trace of smoke cannot be obtained.
Partially plugged nozzle
Not enough air provided to the burner
Too much air provided to the burner
Oil pressure too low
Plugged heat exchanger
Wrong nozzle for application
Vacuum too high (plugged filter or oil line restriction)
Cold oil (larger droplets)
Poor quality oil (water bacteria sludge)
Z dimension incorrect
Air in the oil supply line
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