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Posted by HeatPro on November 07, 2004 at 18:59:01:
In Reply to: Oil burner air adjustment posted by Michael Kaas on November 07, 2004 at 18:40:53:
Repairmen haven't nbeen able to set a flame by sight for the past 30 years since flame retention burners became prevalent. A smoke test will get you a clean flame; but you will never know the setting for efficiency by it.
When you get a complete combustion test list including the data for:
Oil nozzle pressure ____
Pump suction pressure _____
draft over the fire _____
draft in the fire chamber ____
No smoke setting ____
CO2 percentage ____
room temperature _____
Stack temperature _____
Combustion efficiency _____
Then you will have a starting point to know, after all parts are clean and set to factory specs, if a control is failing or not.
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