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    8184 to 7184 (3 Posts)

  • needinghelp needinghelp December 5, 2012 @ 1:51 PM
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    8184 to 7184

    I am replacing the entire burner unit in a Lennox O23Q2-70-1A oil furnace. The old unit used a R8184 M 1002 primary controller and the new one has a R7184B 1032. The old unit ran three wires to primary (24 volt power, WI, and Common) and the new unit only has two terminals( T and T). I have tried several  combinations like 24 volt and WI to T and T and the burner would run but no blower until burner shut down. Also common and WI to T and T  and that worked but no tstat control(stayed running). Tstat to primary and I don't get 24 volts to blower control. Is there a way to wire this and still have all safeties in place?
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  • Paul48 Paul48 December 5, 2012 @ 3:45 PM
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    Trying

    Maybe being able to see what you had will make it easier? https://customer.honeywell.com/resources/Techlit/TechLitDocuments/70-0000s/70-3709.pdf
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  • Paul S Paul S December 8, 2012 @ 3:06 PM
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    24v

    24v power which is ''r'' & ''w1'' go too ''t''&''t''....do away with the common....does your furnace have a/c
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