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  1. Replies
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    719

    If it's been four of the same repairs, you may...

    If it's been four of the same repairs, you may want to check into the "Lemon Laws" in your area.
  2. Replies
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    1,095

    Heard this at a Geo Conference today... One...

    Heard this at a Geo Conference today...

    One way or another you're going to pay for a geo system. Why not have it installed in your home?:whistle:

    Bergy
  3. Replies
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    684

    What is the Heat of Rejection/Extraction? Are you...

    What is the Heat of Rejection/Extraction? Are you checking pressures w/o first calculating HR/HE?

    Bergy
  4. Replies
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    480

    Older Waterfurnace models DO NOT have standard...

    Older Waterfurnace models DO NOT have standard core valves. (EO models that I know of)
    They require a special tool to remove and replace. If you look at the fitting you will see a hex at the base....
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    1,734

    Did they confirm the methanol mix% of the old...

    Did they confirm the methanol mix% of the old water?

    Bergy
  6. Replies
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    2,628

    Martincf, Part of the problem is you did not...

    Martincf,

    Part of the problem is you did not purchase the unit from Water Furnace. The purchase was from the contractor, making the contractor your contact. Water Furnace will always refer you...
  7. Replies
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    701

    Remember, the Manufacturer REQUIRES an up-sized...

    Remember, the Manufacturer REQUIRES an up-sized loop field for the Water to Water units. Were the vertical bores COMPLETELY grouted? Is the first floor hydronic pipes in a over-pour or is it under...
  8. Replies
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    701

    Can you post some pics of the install? Piping...

    Can you post some pics of the install? Piping layout pics would be nice.

    Bergy
  9. Where in Iowa are you? We are located in Cedar...

    Where in Iowa are you? We are located in Cedar Rapids.

    Bergy
  10. Why is that Waterfurnace's fault? The contractor...

    Why is that Waterfurnace's fault? The contractor saved some money for HIM and bought down the warranty. A contractor that would do that without explaining it to you makes me wonder what other corners...
  11. Replies
    6
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    523

    If you have a non-pressurized loop there is a...

    If you have a non-pressurized loop there is a "Flow Gauge" that's inserted in the water stream and will visually show the GPM. GPM is derived from the pressure drop through the heat pump according to...
  12. Replies
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    523

    These numbers can't be correct. According to page...

    These numbers can't be correct. According to page 16 of the Engineering Design Guide ( http://www.comfort-aire.com/downloads/category/74/geomax-2-two-stage-geothermal ) 5.2 PSI drop through the...
  13. Replies
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    576

    If you replace the unit make sure there is a 10...

    If you replace the unit make sure there is a 10 year Parts and Labor warranty. Also, find out if your contractor accepts the labor rates offered by the mfgr. Some will charge you extra for labor if...
  14. Replies
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    2,254

    Are you sure those numbers are correct? If so you...

    Are you sure those numbers are correct? If so you are in the cooling mode. Also, when taking the measurements make sure the unit is in second stage without the desuperheater engaged.

    Bergy
  15. Replies
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    2,254

    You need to start with the basics and get...

    You need to start with the basics and get documentation. A Heat of Extraction(HE) and Heat of Rejection(HR) needs to be performed. With a SINGLE pressure gauge and thermometer the unit needs to run...
  16. The 8000 or Prestege stats are much better. They...

    The 8000 or Prestege stats are much better. They have geothermal logic built into them, meaning they take into account geo's slow heat. They will help keep the aux heat from running as much.

    Bergy
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    I believe they were bought by Enertech Mfg.

    I believe they were bought by Enertech Mfg.
  18. Replies
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    3,429

    All SHOULD be good????? SHOULD BE??? Did the tech...

    All SHOULD be good????? SHOULD BE??? Did the tech not verify system performance by measuring the heat of extraction/rejection? That test is a MUST do.

    Bergy
  19. Replies
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    1,428

    Here's what you need from the tech... Water...

    Here's what you need from the tech...

    Water Side
    Pressure In Pressure Out Delta P
    Temperature In Temperature Out Delta T

    Air Side
    Temperature In Temperature Out

    As an...
  20. Replies
    6
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    1,428

    Have the tech's performed a Heat of...

    Have the tech's performed a Heat of Extraction/Rejection on the unit? A HE/HR is the first thing a service tech needs to do. It confirms the system's ability to reject heat into the ground or extract...
  21. Replies
    3
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    1,129

    What is the flow rate through the loop? What is...

    What is the flow rate through the loop? What is the Heat of Rejection? Why are you putting a gauge set on the unit BEFORE performing the HR/HE calculations?

    Bergy
  22. Replies
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    3,826

    Not on the coast, livin' in the heartland of...

    Not on the coast, livin' in the heartland of Iowa.

    Bergy
  23. Replies
    21
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    3,826

    The biggest difference in the units is the air...

    The biggest difference in the units is the air coil. Water Furnace uses an E-coated coil that has, industry wide, issues with formicary corrosion. (Pitting of the copper causing refrigerant leaks to...
  24. Replies
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    1,348

    Leave your gauge set in the truck. Always do a...

    Leave your gauge set in the truck. Always do a Heat of Extraction/Rejection first. If those numbers indicate a problem then, and only then, hook up the gauge set.

    Bergy
  25. What's the flow rate on the LOAD side? You need...

    What's the flow rate on the LOAD side? You need to know if the load side is absorbing the proper amount of Btu's.

    Bergy
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