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    needhelp15's Avatar
    needhelp15 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 8, 2008, 10:09 AM
    Wiring of my old thermostat
    I attempted to changed my old honeywell t841a heat pump thermostat with a ritetemp programmable termostat that I purchased. Needless to say, it didn't work and I'm trying to get my old honeywell thermostat reinstalled and wired correctly. I labeled all the wires and it appears I have everything connected correctly now but I can't seem to get it to work? Any suggestions?

    Here is what I have labeled and connected:

    Yelllow - Y
    Blue - X
    White - W2
    Red - R
    Orange - O
    Green - G
    Brown - connected to W2 and E

    What am I missing??
    Thanks for any help anyone can pass along.
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
    Ultra Member
    		  
    #2

    Mar 8, 2008, 01:14 PM
    Did you shut the power off before changing stats? If not you may have blown a fuse on the circuit board or the transformer. Check to see if you have 24 volts at the stat.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #3

    Mar 9, 2008, 07:24 AM
    Hope this helps.
    https://www.askmehelpdesk.com/heatin...tml#post268211
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