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

    Mar 17, 2008, 12:55 AM
    Changing 51M32 to Hunter 44260
    Hi,

    I used HUnter 44260 whole winter to find out my heating bill went high to 368$ and Electric bill to 100$. And found out it was kicking on my cooling system also... Anyways...

    My Current Lennox 51M32 is working on the following connections...

    Terminal Description
    R 24VAC
    G Fan control
    Y1 First stage cooling
    W1 First stage heating
    C 24VAC common

    And Hunter 44260 has
    Terminal Description
    Rh, R and VR - 24 Volt
    RC, VC - 24 Volt Cool
    G - Fan
    Y,C,M,o - Air Conditioning Compressor
    W, H Heating
    Y1 Heat Pump Compressor



    NOw based on the description I can match it to the following

    OLD Stat - New Hunter Stat
    R - RH and RC ( with Jumper)
    G - G
    Y1 - Y ( NOTE since Old compressor says AC compressor) HELP!!
    W1 - W

    Leave C unwired... Mistake which I did for 3 months was I attached C to (Y,C,M) of HUnters and Y1 is attached to Y1.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Mar 17, 2008, 12:59 AM
    So are you asking a question? OR telling us your thermostat story?
    rajlovermaster's Avatar
    rajlovermaster Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Mar 17, 2008, 01:25 AM
    Quote Originally Posted by hvac1000
    So are you asking a question? OR telling us your thermostat story?
    Here is the Question
    Now based on the description I can match it to the following

    OLD Stat - New Hunter Stat
    Connect R TO RH and RC ( with Jumper)
    Connect G TO G
    Connect Old Y1 TO Y ( NOTE since Old Thermostat description says AC compressor) HELP!! and NOT Y1 on Hunter stat
    W1 - W

    Leave C unwired... and NOt attach anything on Y1 of HUnter

    Can you verify this??
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Mar 17, 2008, 05:20 AM
    Y is for the outside unit Cooling.
    Leave C unattached and taped up. Your hunter does not use it from what I can see of the Hunter wiring you provided.
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