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    goodman100's Avatar
    goodman100 Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Sep 12, 2009, 06:00 PM
    Honeywell lr69071 to rth3100c
    I have a honeywell lr69071 thermostat with e, c, w2 ,r, g, o, y... my new honeywell rth3100c has pins e, aux,r ,g, o, y, l, c(it says c is optional with batteries?. it is for a heat pump with aux... can anywone tell me what goes on the l wire... I think the w2 wire goes on the aux pin.

    Thank you
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Sep 12, 2009, 06:52 PM
    https://www.askmehelpdesk.com/search...archid=5057854

    Please keep your posts together.
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