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    Broot's Avatar
    Broot Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 5, 2012, 01:54 PM
    Replacing Honeywell S86E intermittent pilot
    I have an older (1973) York furnace with a Honeywell S86E intermittent pilot. Am

    Replacing the S86E with a Honeywell S8610U3009, as the S86E is obsolete. The

    S86E has the following wire terminals: MV, MV/PV, PV, GND (Burner), TH-W, two

    25v, damper plug and Spark. The newer S8610U3009 has the following terminals:

    MV, MV/PV, PV, GND (Burner), GND, TH, one 24v, damper plug, Sense, Intern and

    Spark. Although I can switch the MV, MV/PV, PV, GND (Burner) and Spark, am at a

    Loss when it comes to remaining wiring. Old unit had two 25v terminals, new unit only

    Has the one 25v terminal. Old unit had only the GND (Burner) and no GND. Old unit

    Has a TH-W, new unit only has a TH. Am at loss as to where the extra 25v wire goes,

    Are the TH-W and TH the same and what do I connect to the GND terminal. The

    Sense & Intern terminals had a connecting patch wire when I received it, although ,

    As old unit had neither terminal, I have no idea what their purpose is.
    Could you please help me get this new pilot unit configured? Winter is here, and

    Space heaters just aren't doing it.
    bobulie's Avatar
    bobulie Posts: 1, Reputation: 1
    New Member
    		  
    #2

    Feb 5, 2013, 12:09 PM
    Am wondering if you ever found a solution? I am having the same issue with my conversion from the S86E to the S8610U.
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