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geothermal water-water heat exchanger Franz Fripplfrappl 02-25-2007
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Posted by Franz Fripplfrappl on February 25, 2007, 1:23 pm
I would like to install an open loop geothermal system where I use
domestic well water run through a heat exchanger before discharging into a
small "turtle" pond.

I need recommendations for the heat exchange unit (water to water) and a
source for purchase.

The building is essentially an insulated pole shed with 2x6 construction,
fiberglass batts for insulation, new Pella Energy Star windows and doors.

I will be installing radiant floor heat.

What I'd like to do is use the well water, run it through the exchanger
which in turn would transfer the water to the hyrdonic floor system.

It would be a plus to be able to heat domestic water as well. Right now
I have a 40-gal electric water heater.

Thanks.

Posted by Noon-Air on February 25, 2007, 1:27 pm
Check with you local pro for the HX, and also for chemical treatment to keep
from scaling up the HX, hydronics, pumps, and associated piping.

>I would like to install an open loop geothermal system where I use
> domestic well water run through a heat exchanger before discharging into a
> small "turtle" pond.
>
> I need recommendations for the heat exchange unit (water to water) and a
> source for purchase.
>
> The building is essentially an insulated pole shed with 2x6 construction,
> fiberglass batts for insulation, new Pella Energy Star windows and doors.
>
> I will be installing radiant floor heat.
>
> What I'd like to do is use the well water, run it through the exchanger
> which in turn would transfer the water to the hyrdonic floor system.
>
> It would be a plus to be able to heat domestic water as well. Right now
> I have a 40-gal electric water heater.
>
> Thanks.



Posted by B-Hate-Me on February 25, 2007, 1:42 pm

> Check with you local pro for the HX, and also for chemical treatment to
> keep from scaling up the HX, hydronics, pumps, and associated piping.

You can get a de-superheater for DHW useage.

>
>>I would like to install an open loop geothermal system where I use
>> domestic well water run through a heat exchanger before discharging into
>> a
>> small "turtle" pond.
>>
>> I need recommendations for the heat exchange unit (water to water) and a
>> source for purchase.
>>
>> The building is essentially an insulated pole shed with 2x6 construction,
>> fiberglass batts for insulation, new Pella Energy Star windows and doors.
>>
>> I will be installing radiant floor heat.
>>
>> What I'd like to do is use the well water, run it through the exchanger
>> which in turn would transfer the water to the hyrdonic floor system.
>>
>> It would be a plus to be able to heat domestic water as well. Right now
>> I have a 40-gal electric water heater.
>>
>> Thanks.
>
>



Posted by Geoman on February 27, 2007, 12:03 pm
This is open source, you can't treat the water and dump it into a pond, you
will have to chemically clean it when efficiencies decrease.

Also, sealed systems only need treatments if high phosphates, sulphur, and
excessively high/low ph is present. If you have sulphur it's best just to
bring the water in for the closed/sealed side that doesn't have it. Sulphur
and PH are really bad when it comes to brass and HX's. Very soft water isn't
that great either.


> Check with you local pro for the HX, and also for chemical treatment to
> keep from scaling up the HX, hydronics, pumps, and associated piping.
>
>>I would like to install an open loop geothermal system where I use
>> domestic well water run through a heat exchanger before discharging into
>> a
>> small "turtle" pond.
>>
>> I need recommendations for the heat exchange unit (water to water) and a
>> source for purchase.
>>
>> The building is essentially an insulated pole shed with 2x6 construction,
>> fiberglass batts for insulation, new Pella Energy Star windows and doors.
>>
>> I will be installing radiant floor heat.
>>
>> What I'd like to do is use the well water, run it through the exchanger
>> which in turn would transfer the water to the hyrdonic floor system.
>>
>> It would be a plus to be able to heat domestic water as well. Right now
>> I have a 40-gal electric water heater.
>>
>> Thanks.
>
>



Posted by on February 27, 2007, 12:10 pm
wrote:

>This is open source, you can't treat the water and dump it into a pond, you
>will have to chemically clean it when efficiencies decrease.

        Nah - just cram Mark in one end with a big brush stuck up his
ass, and tell him to swim until he sees daylight ! :-)


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