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    rob49's Avatar
    rob49 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 10, 2009, 08:56 PM
    Compatible compressor and evap coil
    Working on a goodman outdoor unit ,model#crt18-1
    I have an air handler not sure what brand model#FFIDNE024(think it is a janitrol)

    Are the evap coil and condensing unit compatible?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Aug 10, 2009, 09:43 PM
    From the numbers it looks like you have a 18,000 outdoor unit and a 24,000 indoor unit. Since the inside has a larger capacity than the outdoor the units will work together BUT You will have to use the metering device/piston for the outdoor unit size since the outdoor unit size controls the system size so to speak. Actually you would be better off using a expansion valve but that is another story.

    A good contractor will be able to set the correct system charge after all the appropriate refrigeration steps are taken for the professional install.
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