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Flame rollout switch - keeps going out

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  • HVACNUT
    HVACNUT Member Posts: 5,841
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    Just asking, the auto reset LWCO is wired in series before the manual reset LWCO right?
  • Jamie Hall
    Jamie Hall Member Posts: 23,318
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    HVACNUT said:

    Just asking, the auto reset LWCO is wired in series before the manual reset LWCO right?

    You're thinking the same way I am. There may be a wiring problem here...
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • foresthillsjd
    foresthillsjd Member Posts: 114
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    @hvacnut and @Jamie Hall

    Here is the way things are wired. (I did my best on the diagram. I majored in math, not electrical engineering...)


    Boiler has been running fine since I pseudo-skimmed. It takes 25 minutes for all the condensate to return to the boiler after it shuts off.

    One thing that is bothering me is that the main vents keep hissing, even at the beginning of the cycle when the pressure is still low. (I don't even see the pressuretrol hit 1.) Are the vents shot? Because of the low ceilings and the high mains, they aren't mounted on a little antler thing. Not sure how I can get them up and out of the steam path.

    Thanks again, everyone. You have been very generous with your expertise.
  • foresthillsjd
    foresthillsjd Member Posts: 114
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    Here is an example of a main vent.