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-   -   Janitrol hpt 1860 to honeywell rth230b (https://www.askmehelpdesk.com/showthread.php?t=42611)

  • Nov 13, 2006, 01:14 PM
    tsmauldin
    Janitrol hpt 1860 to honeywell rth230b
    Again,
    I checked the make and models of my thermostats to ensure I don't goof nothing
    Up. My janitrol hp 1860 wires: yellow to y, green to g, red to r. blue to o,
    White to e and jumpered to w2 and brown to c. The Honeywell RTH230B has
    Only 5 contacts, Rh, Rc, W,Y and G. I guess just for my own satisfaction
    If I tape up the blue and brown wires what have I disconnected. At my last home
    I put in a Hunter 44260 and connected Green to G, Blue to Rc, Red to Rh,
    Yellow to y/o and white to w/b... The heat and a/c work fine there but I want
    To make sure I haven't wire something wrong at my last house also. Tks
  • Nov 13, 2006, 02:29 PM
    labman
    The O terminal on the old thermostat suggests it was for a heat pump. If your system is a heat pump, you need to check the directions for the new one and see if it says it will work with a heat pump, and if so, how to hook it up.

    What you do with the blue and brown wires depends on what they are copnnected to at the other end.
  • Nov 13, 2006, 03:42 PM
    NorthernHeat
    You need a two stage heat thermostat, that is what w2 is.

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