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    PABewildered's Avatar
    PABewildered Posts: 6, Reputation: 1
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    #1

    Jan 31, 2010, 02:16 PM
    How so I connect the wires of the RTH230B thermostat? The screws won't hold.
    For an hour and 15 minutes we have been trying to get the copper wire tips connected to the RTH230B Honeywell thermostat. The old non-programmable thermostat we removed had screws that tightened down and held the wires in place. The new model has screws in a plastic "box" that do nothing. When we put the wires in the tops of the boxes, they pop out. How do we get them to stay in? Also, in switching from a non-programmable to a programmable can we follow the same connection pattern of green to G, yellow to Y, white to W, and red to Rh? The system is a gas furnace with AC.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Jan 31, 2010, 02:54 PM

    They sure don't make it obvious, do they. Loosen the screw. Usually they won't come completey out.

    Watch what happens to the hole perpendicular to the screw when you turn it clockwise and counterclockwise. Counterclockwise should open the hole and clockwise should close it.

    Perpendicular to the screw there is a hole. There may be a wire protector in the hole too. It's just a flat piece of metal.

    If the flat piece of metal exists, then the wire should go under it.
    PABewildered's Avatar
    PABewildered Posts: 6, Reputation: 1
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    #3

    Jan 31, 2010, 07:19 PM
    Turning the screws was the first thing we tried. They did nothing!--except, of course, turn. They don't move in or out--just like a stripped screw or a small screw in too large a hole, or excert any pressure on the wire as we hold it in place. As soon as the wire is let go,upward it pops. Thanks for trying KISS. Any other ideas that might help? It's getting pretty cold in here now that the sun is down.


    Quote Originally Posted by KeepItSimpleStupid View Post
    They sure don't make it obvious, do they. Loosen the screw. Usually they won't come completey out.

    Watch what happens to the hole perpendicular to the screw when you turn it clockwise and counterclockwise. Counterclockwise should open the hole and clockwise should close it.

    perpendicular to the screw there is a hole. There may be a wire protector in the hole too. It's just a flat piece of metal.

    If the flat piece of metal exists, then the wire should go under it.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #4

    Jan 31, 2010, 07:49 PM

    Take a look here. http://media.digikey.com/pdf/Data%20...1944330000.pdf

    This is how, I believe what you have works. There is a nice image there.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #5

    Jan 31, 2010, 07:53 PM
    Now that is a good pic kiss. No mistake how it works.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #6

    Jan 31, 2010, 07:55 PM

    Thanks. I got lucky. I knew where to look. I've used a lot off Weidmuller stuff. That's the Cadillac version, but it should get the idea across.
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