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

    Jul 12, 2008, 01:06 PM
    Can't get fan to come on in cooling mode.new stat
    Trying to help my son. He has a Bryant split system a/c unit. Replacing old stat with HW - RTH221b. Can't get the fan to come on in cooling mode, but it will in heating mode. Bryant model563cn-036e
    Missouri Bound's Avatar
    Missouri Bound Posts: 1,532, Reputation: 94
    Ultra Member
    		  
    #2

    Jul 12, 2008, 07:13 PM
    Assuming the old thermostat worked and the new one doesn't, you (your son) either wired the stat improperly or it isn't compatible with the hvac system. Does the fan come on if the stat is switched to fan on, rather than fan auto?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Jul 12, 2008, 07:16 PM
    Questions

    Is this a heat pump system?

    Is it wired exactly like the instructions say for his system?

    Instructions here

    http://customer.honeywell.com/techli...69-2060EFS.pdf


    User guide


    http://customer.honeywell.com/techli...69-2062EFS.pdf
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