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    gone67's Avatar
    gone67 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jul 15, 2009, 07:33 PM
    Instaling thermastat to trane a/c
    I am trying to connect a trane model # bwc036c100ca to a ritetemp thermastat. My ld thermastat was removed before I bought the house and now I don't know where to connect each wire on the new thermastat. Can anyone help. I have five wires (green, yellow, red, blue, white) please help
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Jul 15, 2009, 09:03 PM
    Model number of the ritetemp?
    While you are getting the model number, go to the other end ,the furnace/airhandler
    Find the tstat wires and write down what each color is hooked to,you will need to know this at the tstat end
    joey gthe18's Avatar
    joey gthe18 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jul 16, 2009, 02:43 PM

    Red on r terminal white on w terminal yellow on y terminal green on g terminal and check if that is on your furnace is weird the samw way it should be the same blue wire is usless
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #4

    Jul 16, 2009, 03:49 PM

    Good advice above. You may also use the blue wire as a common if thermostat requires batteries for opetation. In this case hook blue to c terminal on stat and furnace. Please let us know how things work out.
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