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  1. Replies
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    That is a very high temperature increase on your...

    That is a very high temperature increase on your loop. Looks like low flowrate.
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    700

    What's the flow path for the loop through the...

    What's the flow path for the loop through the various units? Do you have them in series and basically put the most important unit first? Do you have a series of ball valves in a parallel header?
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    648

    I said the dehumidifier terminal. In other...

    I said the dehumidifier terminal. In other words, when the thermostat calls for the de-humidifier, it powers that terminal, which ends up powering the cooling terminal.
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    648

    I like the Ecobee Smart SI, but can it control...

    I like the Ecobee Smart SI, but can it control humidity via the A/C system? I don't want to install a de-humidifier. I'd like to just run the A/C. Can you wire the de-humidifier terminal straight...
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    648

    Edit: nevermind about that one on amazon, looks...

    Edit: nevermind about that one on amazon, looks like it doesn't have wifi, even though the search terms included wifi.
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    648

    Need wifi with humidity control

    I tried searching, but found very little discussion about this topic.

    I have a vacation rental that I want to manage from 1000 miles away. I want a wifi thermostat so I cna adjust temperature...
  7. I have no idea what that additive is. I've only...

    I have no idea what that additive is. I've only ever heard of people putting some kind of glycol or methanol in closed loops. I'd bet that's at least part of your issue. The other problem is...
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    789

    When I say compliance I mean some kind of gas...

    When I say compliance I mean some kind of gas chamber that allows the liquid volume to change without the pressure changing a lot. The larger the gas volume the less the pressure changes.

    I know...
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    789

    No that's not normal, but are you sure it's been...

    No that's not normal, but are you sure it's been exactly a year? My closed loop has very little compliance, so my pressure swings up and down quite a bit. You may just THINK you're losing pressure,...
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    Ok thanks for the reply. I appreciate the...

    Ok thanks for the reply. I appreciate the honesty. What's your feeling on 10 gpm with a 4 ton system? Should I even bother with another pump?
  11. Replies
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    Well I'd think long and hard about that natural...

    Well I'd think long and hard about that natural gas line. The installed cost is comparable between geothermal and natural gas in your case, and I'd bet it would cost you less to operate the natural...
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    Geo loop maintenance

    Hey guys,

    I've been out of the loop (no pun intended) for a few years. I originally setup my geothermal about 9 years ago. I have a 4 ton FHP system with a single Grundfos UP26-116 loop pump. ...
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    989

    Very high superheat value

    I'm seeing superheat around 60 and subcool around 18. This is a 4 ton water-air unit, and according to my unit's charts the high side pressure is low in all modes but especially during heating. Am...
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    792

    This happened to me when I was running open loop...

    This happened to me when I was running open loop except it was the reverse. Unit was shutting down because it got too cold from extremely low flow. The manufacturer (FHP) recommended using Muriatic...
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    3,676

    Another vote for 20% Methanol.

    Another vote for 20% Methanol.
  16. When I was running open loop, my lines clogged up...

    When I was running open loop, my lines clogged up severely after a few years. I had to use Muriatic Acid to clean them out.
  17. Replies
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    5,772

    I'm with the OP on this. She tried to allow...

    I'm with the OP on this. She tried to allow Waterfurnace to do the right thing, but they failed miserably. This is why I do as much as possible myself.
  18. Thread: EWT's

    by crash11
    Replies
    6
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    1,728

    As far as I can remember, the highest my EWT ever...

    As far as I can remember, the highest my EWT ever got in previous summers was 70-75 F. This year I'm already running around 80-85 F. Right now I'm just concerned about performance, but if this...
  19. Thread: EWT's

    by crash11
    Replies
    6
    Views
    1,728

    EWT's

    Anyone else having the highest ewt's ever this summer? With this heat wave hitting the midwest and no signs on cooling off I'm in for a tough summer. I'm getting mid 70's for entering temps, and...
  20. Skyheating is right. Geo will always be...

    Skyheating is right. Geo will always be better..............when installed correctly.
  21. Not to derail this topic too much, but I'm...

    Not to derail this topic too much, but I'm curious about this compressor. Do you know if it'll have some strategy for start-up to reduce amp draw? If it does, I'm wondering what minimum wattage...
  22. Did any of them mention pipe diameters or...

    Did any of them mention pipe diameters or flowrates? For a 3 ton closed loop system it is generally recommended to have 9 gpm overall. So if that 9 gpm is split amongst 2,3, or 4 loops, you want to...
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    When it's pump and dump, I believe you can get...

    When it's pump and dump, I believe you can get away with much less flow (especially in the first stage). I'd shoot for 5 or 6 gpm just to be safe in case you go into the 2nd stage.
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    Yeah without knowing a lot of details, it...

    Yeah without knowing a lot of details, it basically comes down to payback time. The vertical wells are more efficient, and they will eventually payback over some period of time. The question is,...
  25. Well I certainly don't claim to be qualified to...

    Well I certainly don't claim to be qualified to answer your question, but I also have a FHP model. I found out a few years ago from a design tech at FHP that the reversing valves are designed to be...
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