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    jwcreaser's Avatar
    jwcreaser Posts: 5, Reputation: 1
    New Member
     
    #1

    Jul 14, 2007, 02:22 PM
    Wiring Installation
    I'm replacing a 4 year old non-programmable thermostat (Totaline (Model #P474-0100)) for a Carrier unit with a programmable thermostat (Lux (Model #TX9000TS)). The question I have is the labeling for the wires are different... what wires go where on the new system? I also noticed some unused wires that were never connected to the Totaline system. How do I find out what those wires go to and/or if they are usable at all with the new one?


    Totaline Setup:
    R - RED
    G - GREEN
    Y1 - YELLOW
    W2 - WHITE
    B/O/W1 - PINK
    Y2 - EMPTY SLOT
    C - BROWN

    Unused Wires - Purple, Black, Light Brown & Blue


    Lux Setup:
    W -
    Y -
    G -
    B -
    O -
    RC - (Jumper is provided)
    RH - (Jumper is provided)
    C -
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
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    #2

    Jul 14, 2007, 03:03 PM
    The thermostat you had is a two stage heat and two stage cool, heat pump. The new thermostat is a single stage , this thermostat can be used on heat pumps but it should be a two stage to provide the second stage "W2" wire connection, this wire is to bring on the aux. heat (electric heat strip) in the air handler. The extra wires will go to the air handler and are probably unused.
    jwcreaser's Avatar
    jwcreaser Posts: 5, Reputation: 1
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    #3

    Jul 14, 2007, 03:14 PM
    Quote Originally Posted by acetc
    The thermostat you had is a two stage heat and two stage cool, heat pump. The new thermostat is a single stage , this thermostat can be used on heat pumps but it should be a two stage to provide the second stage "W2" wire connection, this wire is to bring on the aux. heat (electric heat strip) in the air handler. The extra wires will go to the air handler and are probably unused.

    So, are you saying I should return this thermostat and purchase one that operates a 2 stage system?
    jwcreaser's Avatar
    jwcreaser Posts: 5, Reputation: 1
    New Member
     
    #4

    Jul 14, 2007, 03:18 PM
    How do I tell what thermostat is a 1 or 2 stage system? I'm looking on the package of the new system and in the manual and no where does it say whether it's a 1 or 2 stage thermostat. I f I return this iutem for a 2 stage thermostat, how would I tell? Would the employees at Lowe's or HomeDepot know?
    jwcreaser's Avatar
    jwcreaser Posts: 5, Reputation: 1
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    #5

    Jul 14, 2007, 03:30 PM
    I just found a thermostat at HomeDepot, and it mentions that it works with 2 stage heating & cooling systems. Would this work for my system, any thoughts on this one? Please see link below:

    RiteTemp Off White,Lrg Back Lit Touch Screen Thermostat,Built In Humidistat,7 Day Programmable,Filter Alert - GPMG8085C at The Home Depot
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
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    #6

    Jul 14, 2007, 03:46 PM
    Yes this thermostat would work fine for replacing your old one.

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