Forum: Tools
05-12-20, 05:14 AM
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Replies: 2
Views: 4,852
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Forum: Tools
05-11-20, 10:38 AM
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Replies: 2
Views: 4,852
Welding guys - ID this welding rod????
In my box of welding rods, i have about a lb of 8 inch About 3/32” stick weld rods neatly tied up with string but no clue what they are . Heres a pic - yelowish round dot and blue grey band on bare...
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Forum: Geothermal & Heat Pumps
12-13-19, 07:45 AM
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Replies: 2
Views: 5,108
Hello Alexandra
I ended up laying all the hot...
Hello Alexandra
I ended up laying all the hot runs side by side in the trench bottom, then a sheet of foam over that, then the side by side row of cold pipes over that with a final sheet of 1" pink...
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Forum: Geothermal & Heat Pumps
10-13-19, 12:20 PM
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Replies: 4
Views: 9,624
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Forum: Geothermal & Heat Pumps
10-08-19, 02:10 PM
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Replies: 0
Views: 3,227
Name this TXV!
Hello freon folks
My 3/4 ton geo heat pump after 2 years just vibrated a hole in its txv sensor bulb line and hi pressure line out of the compressor. Its a r410 McQuay unit sort of like a ptac but...
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Forum: Solar Power
05-31-19, 07:36 AM
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Replies: 10
Views: 12,067
Thanks Doug
It’s the same here, anything grid...
Thanks Doug
It’s the same here, anything grid tied has to be permitted and I think the smart meters report back flow - the linemen have enough problems without dealing with that during an outage. I...
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Forum: Solar Power
05-30-19, 10:09 AM
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Replies: 10
Views: 12,067
Advice for small system grid tied inverter type??
Hello solar folks!
I'm new at solar systems and have 3 - 60w panels and 1 70w panel, all 12v, and would like to put together a small grid tied system with them feeding one or maybe 2 120v circuits...
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Forum: Geothermal & Heat Pumps
03-25-19, 01:43 PM
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Replies: 3
Views: 4,925
Anyone good with house wiring diagnosis?
Yesterday a 120v breaker tripped in our bedroom circuit with very little connected. No recent construction efforts i can figure to cause it so unplugged everything, still trips so looked into the...
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Forum: Solar Power
02-04-19, 09:14 AM
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Replies: 2
Views: 5,323
Resoldering Panel edges
Thanks Where 2
I read the patent - which seems to point out that putting these together is not just simple soldering - much more if its been exposed to salt air and covered with silicone caulk like...
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Forum: Solar Power
01-28-19, 03:23 PM
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Replies: 2
Views: 5,323
How to resolder the panel edge strips?????
Hello solar guys,
I have a solar panel on my boat for a maintence charger about 3 ft x 1 ft, which stopped charging a while ago. I pulled the aluminum edging off the end with the output wires and...
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Forum: Geothermal & Heat Pumps
12-24-18, 11:15 AM
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Replies: 1
Views: 3,191
Nasty hvac service valves???
Hello and Merry Xmas to all you tinkerers!
Just had my small geo system vibrate a hole in the small line to the txv. Fixed the hole and in trying to pressure test it had trouble removing the...
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Forum: Geothermal & Heat Pumps
11-21-18, 09:02 AM
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Replies: 245
Views: 213,630
Congratulations! Just checked back into your...
Congratulations! Just checked back into your project. It must have been a hell of a lot of hard work pulling the entire drill stem all the way out, then all the way back in to get the 5 ft core, then...
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Forum: The Billiards Room
04-09-18, 08:28 AM
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Replies: 1
Views: 3,835
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Forum: Geothermal & Heat Pumps
02-06-18, 07:56 AM
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Replies: 14
Views: 12,614
Great work, guy!!!
First though, spend the time...
Great work, guy!!!
First though, spend the time with your son. You and he will be glad you did regardless.
As to the defrost, with the humidity and temps you have, you'll need it! Older heat pumps...
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Forum: Geothermal & Heat Pumps
01-10-18, 06:27 AM
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Replies: 7
Views: 7,776
There is a common stand alone wall console type...
There is a common stand alone wall console type of water supply heat pump (think hospital rooms and halls and hotels) that use mid temp boiler water of 50 to 80f in winter and chiller water in summer...
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Forum: Geothermal & Heat Pumps
01-09-18, 08:39 AM
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Replies: 7
Views: 7,776
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Forum: Geothermal & Heat Pumps
12-19-17, 09:46 AM
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Replies: 3
Views: 3,960
Great update, guy!
Looks like your one ton...
Great update, guy!
Looks like your one ton unit may be similar to my 3/4 ton McQuay unit which was also from a boiler/chiller former life.
I was completely unfamilar with these types but found...
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Forum: Geothermal & Heat Pumps
11-29-17, 07:14 AM
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Replies: 17
Views: 9,797
Figuring your machine's heat output and the...
Figuring your machine's heat output and the corresponding electricity used so you have some idea how good your machine is doing has always been a problem for me, particularly for the air output rigs-...
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Forum: Geothermal & Heat Pumps
11-16-17, 12:21 PM
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Replies: 4
Views: 4,792
But which is whom?
Great that you two got together but which one is Spanish!
Doesn't really matter - I've learned so much from the kind efforts each of you have shared for so long.
Thanks!
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Forum: Geothermal & Heat Pumps
09-26-17, 10:36 AM
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Replies: 21
Views: 13,786
On the other hand - the small single phase non...
On the other hand - the small single phase non inverter units are sitting in scrap yards etc all over and the inverter units are newer, harder to find inexpensively and harder to hack.
But thats...
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Forum: Geothermal & Heat Pumps
09-26-17, 10:16 AM
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Replies: 14
Views: 10,006
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Forum: Geothermal & Heat Pumps
09-19-17, 09:27 AM
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Replies: 14
Views: 10,006
cheap HEs
Great project!
If you're looking for easily made inexpensive exchangers, I use a coil of refrigeration copper tube which I turned into a similar size coil of poly pipe with copper fitting adapters...
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Forum: Geothermal & Heat Pumps
08-28-17, 01:18 PM
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Replies: 245
Views: 213,630
Roughly the same here but I don't know how far...
Roughly the same here but I don't know how far the blue clay goes. Mine was water from about 15 ft to 100 where I quit. I added dry sand then bentonite pellets near the top.
I think the saturated...
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Forum: Geothermal & Heat Pumps
08-28-17, 12:07 PM
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Replies: 245
Views: 213,630
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Forum: The Billiards Room
08-27-17, 07:38 PM
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Replies: 9
Views: 6,091
I think Jeff is well into hacking the washer...
I think Jeff is well into hacking the washer motor and inverter - I had wondered about pairing that with an auto or truck compressor (R134 I think) too - does anyone know the btu rating or...
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