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How do i install r401 line sets between condenser and air handler??

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Just use the same route that the other line sets were ran. Could you explain more to let me know a little more of the situation that you have.

Posted on Sep 04, 2010

  • rexdragon3 Sep 04, 2010

    I ALWAYS THOUGHT THAT LINE SETS CAME CHARGED WITH REFRIGERANT, IM NOT SURE THAT THE SET I JUST GOT ARE OR NOT. HOW CAN I TELL??

  • Ken Bledsoe Sep 06, 2010

    They are never pre charged. The Refrigerant comes in the Condensing unit. Any other ?'s just ask. Glad to help ken

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The most likely cause is a safety switch on the secondary condensate drain line. This means that the primary drain line is almost totally clogged and that the condensate backs up enough to trip the condensate overflow switch. When it shut the system down (blank thermostat) this allows time enough for the condensate to slowly drain out and the safety switch resets itself. Clean out the primary condensate drain line (hook a shop vacuum to the line where it terminates outside and sucks the gunk out of it), this should take care of the problem. If it does not then you may have to get an a/c technician to professionally blow the line out from the air handler and possibly clean the condensate tray out in the air handler.
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