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    jasonjaj26's Avatar
    jasonjaj26 Posts: 7, Reputation: 1
    New Member
    		  
    #1

    Feb 8, 2009, 07:29 AM
    Amana thermostate rewire to honeywell
    Hello I'm trying to replace my old thermostat Amana with a new one from honeywell
    the old is :
    Amana not sure which numbers are the model number so I'll list them all.
    (Q674F 1022)
    (T874C 1059)
    class 2 30V max LR1620
    wires that were hooked up are:
    brown-X2
    white-W1
    blue-W2
    Green-G
    red-R
    Orange-O
    black-Y1
    grey-E
    neon green-X1
    and there is another red wire that isn't connected to any thing.


    the honeywell is model RTH7400
    And the options for heat pump are:
    C
    G
    Y
    O/B
    RC
    R
    AUX
    E
    L

    I hope I have provided enough info for some help on the install
    thanks for your help
    Jason
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Feb 8, 2009, 07:47 AM
    Here is your old sub base wiring diagram. Just transpose to the new. Note the X wire will not be hooked up I believe so just tape it off.

    http://customer.honeywell.com/techli...0s/69-0851.pdf
    jasonjaj26's Avatar
    jasonjaj26 Posts: 7, Reputation: 1
    New Member
    		  
    #3

    Feb 8, 2009, 08:13 AM

    Wow that was a fast response hvac1000! OK I see the description of the old system but how do I find this on the new one to know which wires go where? i.e. On the old one it looks like the G was fan relay but how do I find what the fan relay is on the honeywell? And so on/.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Feb 8, 2009, 08:49 AM
    One of these should have come with the new thermostat. Read it and wire as stated.

    http://customer.honeywell.com/techli.../69-1900EF.pdf
    jasonjaj26's Avatar
    jasonjaj26 Posts: 7, Reputation: 1
    New Member
    		  
    #5

    Feb 8, 2009, 09:16 AM
    Ok maybe I'm making this harder than it is I guess what I really need is which color wire from the old Amana thermostat to the new honeywell. Would it help if I sent a picture of the old one wired up?
    Sorry for being so difficult
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