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  1. Replies
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    Why is your air flow so low? The contractor...

    Why is your air flow so low?

    The contractor installed the wrong furnace (Bryant 355MAV042 instead of an '060) under the existing Ruud UPFA-048. It froze up right from the start, and he came out...
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    974

    bama101, Airflow is about 275cfm/ton. Is it...

    bama101,

    Airflow is about 275cfm/ton. Is it safe to read your answer as "probably, unless airflow was _really_ low"?
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    First, I want to thank you all for the...

    First, I want to thank you all for the information I've picked up here!

    I know that an undercharge will cause a coil with otherwise sufficient airflow to freeze up. Is the converse true - will...
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    881

    I'm in W. Oregon. It's not usually hot, but if it...

    I'm in W. Oregon. It's not usually hot, but if it is, it's dry (<30% RH).

    do you have a TXV at the coil. This really helps.

    I don't know, but remember that the coil is about to be replaced...
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    881

    Is this system configured as a fossil fuel...

    Is this system configured as a fossil fuel system? Does the outdoor unit run during the heating season?

    It used to be dual-fuel. Now it's set up to for gas-only in winter.

    I'll work on...
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    11
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    881

    Outdoor unit: UPFA-048JAS Thanks!

    Outdoor unit: UPFA-048JAS

    Thanks!
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    881

    smokin68, Call whom to see if it's a...

    smokin68,

    Call whom to see if it's a matched system? It's a Ruud/Rheem AC on a Bryant furnace.

    It did freeze for low refrigerant after the install, but hasn't since, although it hasn't...
  8. Replies
    11
    Views
    881

    We replaced our old oil furnace (feh!) with a...

    We replaced our old oil furnace (feh!) with a nice new Bryant 355MAV-042080 gas unit (yay!). Now we find out that the contractor put a 3.5 ton blower under the existing 4 ton AC/HP coil. How bad is...
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