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    beach18's Avatar
    beach18 Posts: 2, Reputation: 1
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    #1

    Jul 31, 2010, 08:15 AM
    System seems unable to keep house cool. Pressures 220/63. Trane XE1000 R22.
    The air inside is cool, but not cold. I know that the compressor is working, condenser fan is OK and the evap coils are OK. The register air feels cool, but not cold. I am not an a/c person, but have enough knowledge to be considered a little dangerous. I checked the pressures and found the high side to be around 220 to 260 and the suction side to be around 63. With outside ambients in the mid to high 90s, it is normal for my unit to only cool the house down to the high 70s? My unit is a 2 ton and my house is small at around 1200 sq ft. Any suggestions before I call a real professional?
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #2

    Jul 31, 2010, 12:38 PM

    Sounds like it's a little low on refrigerant,, is the suction line sweating at all?
    beach18's Avatar
    beach18 Posts: 2, Reputation: 1
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    #3

    Jul 31, 2010, 01:58 PM

    Yes, I see a little sweat on the suction line when I move the tubing cover/insulation. I put the guages on again. The low side is 63 and the high side is about 260. The heat index outside is about 107 today.
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