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Post by dgray134 on Nov 9, 2019 15:31:18 GMT
I noticed you used 120" of .031 cap tube. I have .030 tubing would this work and if so how much would I need? This was a restoration job and it quit cooling as the tube coming out of the float was eaten off from S02 so I have installed a Frigidaire heat exchager part number 216783200 that was used on many freezers. I have installed it with a drier but I havent charged it yet cause I dont know the ID size of tube and cant find it anywhere. this was used for R12. Do you think this would work it is a total of around 4' long? Can anyone help me please?
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Post by cablehack on Nov 10, 2019 12:15:29 GMT
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Post by turbokinetic on Nov 10, 2019 14:53:02 GMT
Here is a link to the charts provided by Supco with the capillary tubing they sell. There are two charts. One allows you to configure a capillary tube for a system, by knowing the compressor HP; whether it's a high, medium, or low temp system; and knowing the refrigerant type. They don't include SO2; however it seems that other refrigerants are used in its place once the system has to be opened. For those using R152A, the R12 chart seems to be a close match. There are different ways to define the temp ranges. Typically they would fall into these ranges. High Temp: 0 to 45 saturated evaporation temperature. Med temp: -10 to +25 saturated evaporation temperature. Low temp: -40 to +10 SST saturated evaporation temperature. High temp is for air conditioning; in general. I've used the Low Temp chart for antique fridges and had good results. Again, none of this is an exact science and experimentation will be needed. The second chart allows you to determine the length of the tube, based on what you have on-hand or measure from the original one if replacing one. Hope this is helpful! Sincerely, David Link to the charts: http://home.hiwaay.net/~davida1/IMG/Supco_Capillary_Tube_Charts.PDF
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