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

    Jan 17, 2009, 11:47 AM
    Janitrol 7 wire to HW programmable t-stat wiring
    I have a Janitrol heat pump system with emergancy heat. It has 7 wires and I am going to a Honeywell RTH 6400D programmable unit which has only 5 wire lugs. I believe I know how to do the conversion but need confirmation. Can you tell me how this should be wired?

    Thanks much
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Jan 17, 2009, 01:04 PM

    Did a set on instructions come with the new honeywell? Not knowing myself,, are you sure the new stat is heatpump compatible?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #3

    Jan 17, 2009, 01:29 PM
    You might have the wrong thermostat. Looks like you need 2 stage heat.
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