EcoRenovator  

Go Back   EcoRenovator > Search Forums
Advanced Search
 


Blog Register 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


Showing results 1 to 25 of 55
Search took 0.00 seconds.
Search: Posts Made By: IdleMind
Forum: Geothermal & Heat Pumps 03-07-17, 03:52 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 02-15-17, 06:21 PM
Replies: 36
Views: 9,627
Posted By IdleMind
You are right, I don't do this for a living and...

You are right, I don't do this for a living and it is very new to me. I am a retired mechanical engineer and worked a lot of years on water meters and valves so I have an understanding of liquid...
Forum: Geothermal & Heat Pumps 02-14-17, 04:43 PM
Replies: 36
Views: 9,627
Posted By IdleMind
Along the way, I did conclude that 1/4 tube would...

Along the way, I did conclude that 1/4 tube would be better than 3/8 for the condenser. With it buried under silicone caulk and great stuff, I do not intend to replace it.

Anyway, here's the last...
Forum: Geothermal & Heat Pumps 02-13-17, 04:01 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 12-15-16, 06:32 PM
Replies: 61
Views: 13,214
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 11-25-16, 11:15 AM
Replies: 10
Views: 4,683
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 11-17-16, 03:21 PM
Replies: 10
Views: 4,683
Posted By IdleMind
I'm glad you posted your project, I am especially...

I'm glad you posted your project, I am especially interested in why you choose that compressor. Was it for longevity, efficiency, availability? I have some opinions about compressor efficiency and...
Forum: Geothermal & Heat Pumps 11-15-16, 07:37 AM
Replies: 61
Views: 13,214
Posted By IdleMind
Ron-thanks for the tip on the temp logger, I have...

Ron-thanks for the tip on the temp logger, I have some old computers that could be dedicated to this project so I should look into that. For now, I have a system that works good for me. I read and...
Forum: Geothermal & Heat Pumps 11-09-16, 09:32 AM
Replies: 61
Views: 13,214
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 11-07-16, 09:48 AM
Replies: 61
Views: 13,214
Posted By IdleMind
Two days ago I took some data on this little 2.5...

Two days ago I took some data on this little 2.5 gallon HWHP. It has been running without attention since 8/13/16 when the basement temp was 70F. Now the basement is 65F and the cold water is 62F. ...
Forum: Geothermal & Heat Pumps 11-02-16, 12:36 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 11-02-16, 11:41 AM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 10-31-16, 02:03 PM
Replies: 36
Views: 9,627
Posted By IdleMind
A few days ago I charged it and experimented with...

A few days ago I charged it and experimented with settings to determine charge amount, fan speed, and txv adjustment. At end of day I had charged with approx 2.70 oz of propane, 3.5v power to fan,...
Forum: Geothermal & Heat Pumps 10-29-16, 11:45 AM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 10-26-16, 10:00 AM
Replies: 36
Views: 9,627
Posted By IdleMind
This morning it is still holding pressure at 60...

This morning it is still holding pressure at 60 psi, but I won't have time to work on it today.

I expected to be called out for using solder, it's just so much easier than brazing. I used Oatey...
Forum: Geothermal & Heat Pumps 10-25-16, 04:10 PM
Replies: 36
Views: 9,627
Posted By IdleMind
The TXV valve arrived a few days ago, so here is...

The TXV valve arrived a few days ago, so here is where I am at now.
First here's a photo of the evap assem I have been using up to now. The gas entered the bottom of the original condenser then...
Forum: Geothermal & Heat Pumps 10-20-16, 04:24 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 10-19-16, 07:37 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 10-18-16, 06:14 PM
Replies: 36
Views: 9,627
Posted By IdleMind
Here is my bench test setup. The thermometers...

Here is my bench test setup. The thermometers measure temps out of evap, out of cond, into cond, and water in tank.
...
Forum: Geothermal & Heat Pumps 10-18-16, 04:19 PM
Replies: 36
Views: 9,627
Posted By IdleMind
This will be my first experience with a TXV so...

This will be my first experience with a TXV so thanks for the great advise. Before I read your post this morning I ordered the external equalized one from amazon(surplus city).

Today, I ran a...
Forum: Geothermal & Heat Pumps 10-17-16, 03:40 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 10-17-16, 02:57 PM
Replies: 36
Views: 9,627
Posted By IdleMind
randen--I will be doing a bunch of tests to learn...

randen--I will be doing a bunch of tests to learn about energy use vs heat into water, but first I want to show some data I generated to get my own PT chart.

I made a test chamber from 3/4 copper...
Forum: Geothermal & Heat Pumps 10-15-16, 10:31 AM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Forum: Geothermal & Heat Pumps 10-14-16, 09:21 AM
Replies: 36
Views: 9,627
Posted By IdleMind
The fan decal is on the other side, hope it still...

The fan decal is on the other side, hope it still helps. Those fans also work better with some cool blue LED's.

I really appreciate the suggestion on the TXV valve. I have run this a few times...
Forum: Geothermal & Heat Pumps 10-13-16, 06:44 PM
Replies: 36
Views: 9,627
Posted By IdleMind
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...
Showing results 1 to 25 of 55

 
Forum Jump

All times are GMT -5. The time now is 04:52 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design