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Search: Posts Made By: IdleMind
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 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 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 10-25-16, 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 10-17-16, 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 10-14-16, 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 10-12-16, 02:20 PM
Replies: 36
Views: 9,627
Posted By IdleMind
Hpwh 2 (heat pump water heater #2)

This is my second small heat pump water heater build. I am starting with a 6 gal 110v electric water heater that I found on craigs list for $45. I have 2 dehumidifiers in my basement. One is about...
Forum: Geothermal & Heat Pumps 10-11-16, 11:49 AM
Replies: 61
Views: 13,214
Posted By IdleMind
This little device has been pumping along for...

This little device has been pumping along for over three months now. I have some data and observations about performance. Remember this is a 2.5 gal heater and only serves the kitchen and...
Forum: Geothermal & Heat Pumps 06-23-16, 06:12 PM
Replies: 20
Views: 5,776
Posted By IdleMind
A few days ago I recovered the r22 from a large...

A few days ago I recovered the r22 from a large window ac using the compressor from an old dehumidifier. I made a few mistakes and lost some of my precious r22. I had several hoses to purge and...
Forum: Geothermal & Heat Pumps 05-19-16, 06:47 PM
Replies: 61
Views: 13,214
Posted By IdleMind
Thanks for taking the time to give all that...

Thanks for taking the time to give all that detailed info.

The original dehumidifier label said 7.25 oz of r22. I don't have a digital scale but ordered one today on Amazon.

Her's what I did...
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