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Search: Posts Made By: stevehull
Forum: Geothermal & Heat Pumps 02-20-16, 10:10 AM
Replies: 218
Views: 117,441
Posted By stevehull
Wanted to let you know that the removable battery...

Wanted to let you know that the removable battery powered USB RC-5 temperature data logger is just as you said - superb. And at $15 it is a steal.

I did check the thermal time constant and it...
Forum: Geothermal & Heat Pumps 01-24-16, 11:48 AM
Replies: 218
Views: 117,441
Posted By stevehull
Thanks for the review - just ordered it on Amazon...

Thanks for the review - just ordered it on Amazon Prime. May be knocking on your "door" for help with software.

Looks like the actual unit is excellent - it is the software and/or download that...
Forum: Geothermal & Heat Pumps 01-24-16, 07:10 AM
Replies: 218
Views: 117,441
Posted By stevehull
Memphis, I see you are using one of those...

Memphis,

I see you are using one of those inexpensive ($15) RC-5 temperature/time data loggers. The reviews are mixed saying that the software interface is a bear. Some say impossible to use. ...
Forum: Geothermal & Heat Pumps 11-19-15, 06:52 AM
Replies: 218
Views: 117,441
Posted By stevehull
Memphis, Let's continue your thought. Pump...

Memphis,

Let's continue your thought. Pump at water source and pump water uphill through the heat pump, overcoming both pipe resistance and gravity. Then provide an air break and allow the water...
Forum: Geothermal & Heat Pumps 07-25-15, 04:52 AM
Replies: 218
Views: 117,441
Posted By stevehull
Whew - $900 for copper to make the DX work? ...

Whew - $900 for copper to make the DX work? Ouch!

Steve
Forum: Geothermal & Heat Pumps 07-24-15, 06:40 AM
Replies: 218
Views: 117,441
Posted By stevehull
Memphis - this "oil return" line is getting...

Memphis - this "oil return" line is getting complicated and fraught with potential problems. The number of connections (each with potential leaks) also increases the gas loss issue. I am very good...
Forum: Geothermal & Heat Pumps 07-15-15, 07:50 PM
Replies: 218
Views: 117,441
Posted By stevehull
I just lost out on a dead water cooled unit with...

I just lost out on a dead water cooled unit with a 5 ton coax coil. The unit this was in got sent to the dumpster as the scrap value was too low. Was about two hours too late . . .

My...
Forum: Geothermal & Heat Pumps 07-15-15, 10:56 AM
Replies: 218
Views: 117,441
Posted By stevehull
AC, that is why I suggested it - a hack! Good...

AC, that is why I suggested it - a hack! Good points on permeability.

Steve
Forum: Geothermal & Heat Pumps 07-15-15, 08:07 AM
Replies: 218
Views: 117,441
Posted By stevehull
How about a compromise (copper pipe vs plastic)? ...

How about a compromise (copper pipe vs plastic)? Use plastic for the runs out to and from the pond. Then only use the amount of copper at the bottom of the pond for the true exchange loop.

Seems...
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