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Old 10-26-2010, 08:41 PM   #1
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Heavy Smoke after Transformer Replacement


I just restarted my oil burner after trouble shooting it and in the process turned it off and on quite a few times... maybe 15 times.

It ignited on the first try after replacing the transformer and it is smoking heavily... like a smoke grenade.

Its been burning for about 20 minutes and its still smoking but much less... something like a wood fire in a fireplace.

I opened the air vent to let the furnace get more air and intend to close it back to where it belongs when things are more normal or until the neighbors call the fire company.

Any suggestions as to what I might do or expect to happen?

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Old 10-26-2010, 10:39 PM   #2
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Heavy Smoke after Transformer Replacement


oil has accumulated in the burner box every time you tried to start it and when the burner did finally ignite it started burning. This can be dangerous if there is a lot of fuel oil in the burner box, you should have an oil burner service tech check it out.

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Old 10-27-2010, 12:53 AM   #3
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Heavy Smoke after Transformer Replacement


Well it was a bit scary at first but all flame was contained within the system but the heavy black smoke continued longer than I expected. It was pouring out of every thing it could pour out of. Took close to a half hour before it was burning normal again.

Will know better next time.

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Old 10-27-2010, 05:18 AM   #4
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Heavy Smoke after Transformer Replacement


You pushed the reset button too many times.
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Old 10-27-2010, 07:12 AM   #5
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Heavy Smoke after Transformer Replacement


You now have a VERY dirty, sooted up, inefficient unit and need to replace the nozzle and clean up the whole mess. Getting it setup properly with a combustion analyzer would be a good idea unless you like supporting the oil companies.
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Old 10-27-2010, 07:27 AM   #6
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Heavy Smoke after Transformer Replacement


I agree with Yuri!!

the soot you saw coming out everywhere is also everywhere inside the burner and should be cleaned.

If the burner trips on re-set push only one time maybe two at the most.
Every time you push oil is spraying in until it trips off on safety.
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Old 10-27-2010, 07:39 AM   #7
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Heavy Smoke after Transformer Replacement


It coats the flue passages and decreases heat transfer and efficiency. Chimney may need cleaning also. Needs to be cleaned properly B4 setting up with a combustion analyzer.
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Old 10-27-2010, 04:23 PM   #8
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Heavy Smoke after Transformer Replacement


Consider yourself very luck ej.. About 30 years ago I learned not to push the reset more than once or twice.. I blew it up by loading up the fire box with oil and when it did fire it blew the stack off, soot all over, soiled pants, and one pissed off boss. When it is loaded up with oil the burner has to be removed and the oil lit up with a piece of paper or some other material till it burns out ..then the burner has to be returned and troubleshoot before anything else.

DIYERS: DO NOT RESET THE UNIT MORE THAN TWICE BEFORE CALLING A PRO OR TROUBLESHOOTING .

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