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    PTAC Units Always Overflowing

    HVAC Professionals,

    I am a maintenance technician for US Navy dormitories on Okinawa. I have 2 buildings with a combined total of 200 Carrier PTAC Units. We have at least 2-3 overflows out the front of the units flooding the carpets every single day of the week. It appears that the one little hole that drains the water to the wall frame tray always gets clogged or the small pipe carrying the condensate outside gets clogged. Can more holes be made in the tray to allow more options for water to flow onto the frame? How do you experts solve these frequent problems? I ordered some slimeaway tablets to put in the trays, but dont think that wil solve the problem.

    We do have a professional contractor that does the preventive maintenance (basically filter cleaning), but that doesnt solve my Sailors getting flooded carpets. The buildings are getting a central AC system during renovations next year, but I need to deal with them for now.

    I would greatly appreciate any suggestions...Thank you in advance!

    Mike
    Last edited by MikeConroy; 09-04-2012 at 09:19 AM. Reason: Added Info

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