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Type: Posts; User: minn

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  1. Replies
    18
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    3,452

    glycol/alcohol

    My system is a horizontal closed loop (1year old). What was happening was the "fumes" from the Methyl Alcohol were escaping around the pump flanges and the flow center canister screw cap. There was a...
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    3,452

    glycol vs. alcohol in loop

    Lambo, thanks for the attachment. I replaced the alcohol with a 25 % mixture of inhibited propylene glycol/deionized water that is manufactured for geo loops. It came in a 55 gal drum that was...
  3. Replies
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    3,452

    propylene glycol vs. methyl alcohol in loop

    Thanks Lambo,
    Right now I have 2 inline Grundfos circ pumps that appear to be single speed(not sure what HP). Would I just need to replace those with the next biggest HP ones or is it more...
  4. Replies
    18
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    3,452

    propylene glycol vs. methyl alcohol in loop

    I last posted about a year ago complaning of irritants in my home that appeared to be coming from my horizontal loop that contained methyl alcohol.My combustible gas detector went off around the pump...
  5. Replies
    2
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    1,089

    methyl alcohol fumes

    My Geo system was officially turned on dec. 2, 2009. Except for an ECM blower problem, (the contractor will not install one ) the system has been working.
    Here is my problem now. Since Jan. 1, 2010...
  6. Replies
    11
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    1,488

    methyl alcohol fumes from geo entering house

    any thoughts about this?
    John
  7. Replies
    11
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    1,488

    ecm motor on new install

    On the contract it states a "blower upgrade" would be included. It does not specify what this would be. Before accepting the contract I called the estimator and asked what "blower upgrade" meant and...
  8. Replies
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    1,488

    ecm motor and fed tax credit

    I posted a couple weeks ago about my contractor not wanting to put in a ecm blower motor in my new 4 ton split geo system. He said my 1200 cfm psc blower would work fine. I called carrier/bryant...
  9. Replies
    11
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    1,488

    Need advice on new install of geo heat pump

    I have just had a bryant gt-px split system installed. 4 ton, 2 stage compressor , 1640 ft horizontal loop at an average depth of 13 feet. The tech will be here today to do the final start up. My two...
  10. Replies
    21
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    3,966

    Lots of info to consider! My soil is sticky...

    Lots of info to consider! My soil is sticky yellow clay fron 2' to 22'.(South central Minnesota) Apperentely a moist soil. They will bore about 15 feet down and 4 loops at 410 feet per loop. I was...
  11. Replies
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    3,966

    split system

    djastram, did you use the existing cooling A-coil that may have come with your furnace or did you need to replace with compatible coil to match the new heat pump? My existing A-coil is rated 2.5 ton....
  12. Replies
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    3,966

    split systems

    Thanks for the advice crash11. The contractor who wants to bore the horizontal loop wants to install a split system in my home. A 4 ton Bryant GT-PX. This is a two stage compressor, utilizing my...
  13. Replies
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    3,966

    bore horizontal loop field

    Thanks for the info. Crash 11, you were right. I called back the one contractor who wants to bore instead of trench and indeed they go down 15 feet with the bore machine and grout at the same time....
  14. Replies
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    horizontal loop field. Boring vs. excavation

    I only have a few weeks to decide if I should install a geo system or not.(had our first major frost this am) live in south central minnesota, clay soil.
    I am getting three quotes, 2 are in. First...
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