Forum: Geothermal & Heat Pumps
03-07-17, 02:52 PM
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Replies: 36
Views: 22,248
I did not try 134a. With the whole system...
I did not try 134a. With the whole system containing only 3.0 oz of propane I do not have any safety concerns. And since I can't stop myself from tinkering with it, the propane is more convenient...
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Forum: Geothermal & Heat Pumps
02-15-17, 05:21 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
02-14-17, 03:43 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
02-13-17, 03:01 PM
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Replies: 36
Views: 22,248
This little HP has been up and running for 2...
This little HP has been up and running for 2 months, I've just been lazy about posting how I finished it up. It's been a lot of trial and error. When I last posted I was trying to get a TXV to work...
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Forum: Geothermal & Heat Pumps
12-15-16, 05:32 PM
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Replies: 61
Views: 33,567
When I started this project I wanted to use a...
When I started this project I wanted to use a passive heat source, I just converted to one for a couple reasons. My unheated basement temp has been dropping with the cold weather. When the basement...
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Forum: Geothermal & Heat Pumps
11-25-16, 10:15 AM
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Replies: 10
Views: 11,858
Your project is quit interesting, especially...
Your project is quit interesting, especially using passive heat exchangers and 3/16 tube. Last year I built a small 2.5 gal heat pump water heater. My original intent was to submerge the evaporator...
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Forum: Geothermal & Heat Pumps
11-17-16, 02:21 PM
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Replies: 10
Views: 11,858
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Forum: Geothermal & Heat Pumps
11-15-16, 06:37 AM
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Replies: 61
Views: 33,567
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Forum: Geothermal & Heat Pumps
11-09-16, 08:32 AM
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Replies: 61
Views: 33,567
The thermostat is right over the resistance...
The thermostat is right over the resistance heater so it's in a hot spot and after shutdown the overall temp drops a bit. The condenser loop is opposite the thermostat so when it is shut down the...
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Forum: Geothermal & Heat Pumps
11-07-16, 08:48 AM
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Replies: 61
Views: 33,567
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Forum: Geothermal & Heat Pumps
11-02-16, 11:36 AM
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Replies: 36
Views: 22,248
So I did let out a small amount of gas, since I...
So I did let out a small amount of gas, since I only started with 2.7 oz it seems unlikely it could be overcharged. And I will be using 18v to the fan which you can see by the T air out of evap is...
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Forum: Geothermal & Heat Pumps
11-02-16, 10:41 AM
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Replies: 36
Views: 22,248
Randen--I have done some btu calculations, will...
Randen--I have done some btu calculations, will try to sumarise.
6 gal of H2O weighs 50 lbs, and takes 500 btu's (.147 kwh) to raise 10F. So I look at 10F range of my data and take a ratio to .147...
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Forum: Geothermal & Heat Pumps
10-31-16, 01:03 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-29-16, 10:45 AM
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Replies: 36
Views: 22,248
Here's the specs on the dehumidifier label. ...
Here's the specs on the dehumidifier label.
http://i764.photobucket.com/albums/xx289/loki40007/HPWH-2/016%2016-10-27%20Dehumidifier%20Specs_zpsiybnfdlp.jpg
And here's a photo of the backside with...
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Forum: Geothermal & Heat Pumps
10-26-16, 09:00 AM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-25-16, 03:10 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-20-16, 03:24 PM
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Replies: 36
Views: 22,248
So I let out some refrigerant yesterday and...
So I let out some refrigerant yesterday and retested today. I let everything sit over night so there should be no temp gradients in the water or tank. It is a rare coincidence that the starting...
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Forum: Geothermal & Heat Pumps
10-19-16, 06:37 PM
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Replies: 36
Views: 22,248
Thanks again for that explanation. I do have a...
Thanks again for that explanation. I do have a small scale, but forgot to use it. After I get the txv, I will be sure to do a better job of recording charge. Today I slowly let out some gas from...
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Forum: Geothermal & Heat Pumps
10-18-16, 05:14 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-18-16, 03:19 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-17-16, 02:40 PM
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Replies: 36
Views: 22,248
jeff5may--you recommended a TXV valve and I am...
jeff5may--you recommended a TXV valve and I am about ready to order one. I also found one on Amazon, it seems smaller than the one you recommended. Would you mind taking a look and let me know...
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Forum: Geothermal & Heat Pumps
10-17-16, 01:57 PM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-15-16, 09:31 AM
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Replies: 36
Views: 22,248
I will be doing some tests on this system but...
I will be doing some tests on this system but have concerns about accuracy. AT times I get temp readings from my cheap thermocouple readers that has to be way off so I don't trust them at all. I...
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Forum: Geothermal & Heat Pumps
10-14-16, 08:21 AM
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Replies: 36
Views: 22,248
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Forum: Geothermal & Heat Pumps
10-13-16, 05:44 PM
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Replies: 36
Views: 22,248
This photo shows where I am at now. ...
This photo shows where I am at now.
http://i764.photobucket.com/albums/xx289/loki40007/HPWH-2/005%2016-10-12%20Ready%20for%20testing_zpsishghxpx.jpg
The 2 dehumidifier HX's are plumbed together...
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