My Carrier weathermaker 8000 unit is on my attic. The air conditioner seems to work except when it is over 75 outside. I cannot get the temperature in my house below 85 (only about 80 right now). The unit has an ez-trap (not the cause), the drain pipe is clean, and the capacitors have been replaced. Could I have a leak and if so, how can I verify that? I have all 4 ceiling fans on and my temperature inside is still 85. Sometimes it blows cool air and sometimes it feels warm.
Set the t-stat low and let it run for 5 minutes , stick a thermometer in the return air closest to the unit as possible until you get a good reading , then stick the thermometer in the cold air supply again closest to the indoor unit as possible let sit until it stops going down in temp.
this is called your temp difference and it should be atleast a 14deg. F difference from in to out. if its lower you have a refrigerant problem, Let me know how it goes.
Phil
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