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    SteveJO's Avatar
    SteveJO Posts: 2, Reputation: 1
    New Member
     
    #1

    Dec 4, 2009, 05:22 PM
    Wire diagram for coleman heat pump model# 3500A818
    I just replaced the sequencer for this heat pump. Did not take a photo of wires before switching to new sequencer. Does anyone have a photo or diagram of how this wires up? I think one of the small wires went to the wrong spot. Please help.
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #2

    Dec 4, 2009, 05:30 PM

    Look here. Asks for exact model #. Free home appliance product owners manuals, user guides & how-to instructions | ManualsOnline
    SteveJO's Avatar
    SteveJO Posts: 2, Reputation: 1
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    #3

    Dec 4, 2009, 05:43 PM

    Thank you for quick reply. Very kind. Unfortunately they do not seem to have it.
    Any other suggestions ? It is cold.
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
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    #4

    Dec 4, 2009, 06:50 PM
    Are any of these similar to the sequencer on your unit? Each "layer" of the sequencer is a switch, the bottom is the low-voltage input, so this may not be too difficult to figure out, even without a diagram.
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    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #5

    Dec 4, 2009, 08:08 PM
    This may be of help. It says for Carrier blower adapter BUT the furnace wiring is for the Coleman 3400/3500 series

    http://www.xpedio.carrier.com/idc/gr...t/28mh-4si.pdf
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