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Search: Posts Made By: tamkov
Forum: Geothermal & Heat Pumps 11-15-22, 11:32 AM
Replies: 148
Views: 89,236
Posted By randen
Hello Eco-Renovators Thought Id give you a...

Hello Eco-Renovators

Thought Id give you a up-date on the DIY 5ton shop ground source heat-pump. It is Nov. 15/2022 and -2 Deg C outside with snow flurries. A couple weeks ago I had moved the...
Forum: Geothermal & Heat Pumps 10-19-22, 12:44 PM
Replies: 0
Views: 2,282
Posted By Don_Karlos
Oil change Panasonic 5KS225EAA21

Hi,
my conversion project is going on. Since the Mini Split AC System I'm using was a long time out of service (to be honest, it is almost new but was years without refrigerant) I assume, that the...
Forum: Geothermal & Heat Pumps 07-27-22, 04:38 PM
Replies: 1,943
Views: 2,520,356
Posted By AC_Hacker
MILESTONE - Homemade Heatpump Manifesto breaks 2 million hits

I want to take a moment to recognize that the Homemade Heat Pump Manifesto has gone beyond 2 million page views. I would like to thank Daox and any other people who may have worked behind the scene...
Forum: Geothermal & Heat Pumps 04-02-22, 04:31 PM
Replies: 16
Views: 8,166
Posted By Robl
Looking harder at the compressor datasheet, it...

Looking harder at the compressor datasheet, it has 3 possible starter configurations. And one of them is slightly higher efficiency - not a lot, but I'm chasing anything I can get here! This new...
Forum: Geothermal & Heat Pumps 03-30-22, 10:48 AM
Replies: 2
Views: 2,677
Posted By Robl
If the HX (usually a Brazed Plate Heat Exchanger,...

If the HX (usually a Brazed Plate Heat Exchanger, BPHE) is inside the outdoor unit, then it is simpler to make gastight. Most domestic A2W systems in the UK are monobloc like this; They are cheaper,...
Forum: Geothermal & Heat Pumps 02-16-22, 10:28 AM
Replies: 16
Views: 8,166
Posted By Robl
I started off with a fire extinguisher that...

I started off with a fire extinguisher that somebody gave me. Don't do that though, it was a mistake on my part - there's all sorts of other rubbish in fire extinguisher gas, so it doesn't...
Forum: Geothermal & Heat Pumps 02-16-22, 08:00 AM
Replies: 16
Views: 8,166
Posted By Robl
The propane was pure, just R290 - in fact just...

The propane was pure, just R290 - in fact just search R290 in ebay. I got it from ebay uk, they called it: "Embraco compressor R290 gas 370 GRAM REFRIGERANT CANISTER CYLINDER BOTTLE"

The...
Forum: Geothermal & Heat Pumps 02-16-22, 12:03 AM
Replies: 1
Views: 2,906
Posted By Bobinater33
Add vacuum pumps to the list of r290 hazards

Just had a vacuum pump blow up in front of me. Iím guessing it was from r290 bubbles in the oil. Not sure how bad it is because I refuse to look down but thereís a lot of blood and the wife wonít...
Forum: Geothermal & Heat Pumps 01-31-22, 03:29 PM
Replies: 10
Views: 5,916
Posted By YuriyLogvin
You're absolutely right. But it's a more...

You're absolutely right. But it's a more expensive and complex thing to do.
Forum: Geothermal & Heat Pumps 01-29-22, 04:38 PM
Replies: 10
Views: 5,916
Posted By YuriyLogvin
Hello everyone, I think I fixed mistakes that...

Hello everyone,
I think I fixed mistakes that were made in my initial geothermal heat pump design. I was wrong, and now it's apparent that the evaporator should be bigger than the condenser.

I...
Forum: Geothermal & Heat Pumps 01-27-22, 12:13 PM
Replies: 10
Views: 5,916
Posted By YuriyLogvin
Episode 1 - Introduction. In this episode I...

Episode 1 - Introduction.

In this episode I do a quick introduction to the DIY Geothermal Heat Pump project.

https://www.youtube.com/watch?v=FR4eW30ZMKY

Episode 2 - Building geothermal loop....
Forum: Geothermal & Heat Pumps 01-27-22, 12:08 PM
Replies: 10
Views: 5,916
Posted By YuriyLogvin
My DIY Geothermal Heat Pump Install

Hello everyone.
I'm experimenting with my own DIY Geothermal Heat Pump install and wanted to share my progress. This is my second "Geothermal heat pump" project attempt and the fourth "DIY heat...
Forum: Geothermal & Heat Pumps 01-03-22, 11:04 AM
Replies: 16
Views: 8,166
Posted By Robl
I've just about finished my ground-source...

I've just about finished my ground-source heatpump project, it's installed and been running well for the last 3 weeks here - it provides all the heating for our house now, and the gas boiler has been...
Forum: Geothermal & Heat Pumps 09-12-21, 11:21 AM
Replies: 16
Views: 8,166
Posted By Robl
I've run the rig a few times now logging data,...

I've run the rig a few times now logging data, and analysed the data a bit better now, taking into account losses of the 27litre water tank to air - I did this by only running the circulation pump...
Forum: Geothermal & Heat Pumps 09-10-21, 06:57 AM
Replies: 16
Views: 8,166
Posted By Robl
I finished the heatpump build, pressure tested...

I finished the heatpump build, pressure tested with CO2, vacuumed it & filled it with propane, then turned on the heatpump for the first time yesterday!
I charged it with the pump on, aiming for...
Forum: Geothermal & Heat Pumps 07-20-21, 08:40 AM
Replies: 16
Views: 8,166
Posted By Robl
DIY W2W heatpump

We now have a relatively well insulated house in the UK, needing a peak of 1.5kW over the last year to keep it warm in the coldest of weather. That would be 1.5kW of heat continuously on for 24hours...
Forum: Geothermal & Heat Pumps 01-10-19, 08:23 PM
Replies: 148
Views: 89,236
Posted By randen
Fellow eco-renovators. Thought I would...

Fellow eco-renovators.

Thought I would issue a milestone. The DIY shop heatpump has now been operating since October 29 2014 without any problems what so ever!!! That’s 5 yrs trouble free. In...
Forum: Geothermal & Heat Pumps 06-04-17, 09:57 AM
Replies: 108
Views: 102,835
Posted By davismltc
A7 Owner - Galvanic Corrosion

Wow, last post to this thread was 3 years ago! Where are all the hackers? On to bigger and better I suppose...

I'm new to the ecorenovator site and as an A7 owner, I thought I might share my...
Forum: Geothermal & Heat Pumps 09-26-16, 01:06 PM
Replies: 1,943
Views: 2,520,356
Posted By AC_Hacker
The Homemade Heat Pump Manifesto Has Passed a Million Page-Views

The Homemade Heat Pump Manifesto has just passed the one million page-views milestone!

Never in my wildest dreams did I think that there would be this much interest in converting discarded air...
Forum: Conservation 01-03-16, 06:45 AM
Replies: 25
Views: 19,311
Posted By redneck
. It's that time of year again. ...

.

It's that time of year again.

http://i536.photobucket.com/albums/ff325/dmt6969/giphy%202_zpsb4idkrns.gif (http://s536.photobucket.com/user/dmt6969/media/giphy%202_zpsb4idkrns.gif.html)
...
Forum: Geothermal & Heat Pumps 07-27-15, 01:13 PM
Replies: 148
Views: 89,236
Posted By randen
5 Ton DIY GSHP Build

Summer has made it to Southwestern Ontario Canada. Outside temps reaching 34 Deg. C and humidity of 80%. Really nice for the beach or drinking beer under a tree.

Having some work in the shop not...
Forum: Geothermal & Heat Pumps 08-28-14, 02:57 AM
Replies: 267
Views: 172,358
Posted By ctgottapee
I'm happy but looking critically there are some...

I'm happy but looking critically there are some things I'd change.
The new Mits models now mirror the features and slighly improve on the specs

The performance of the unit is OUTSTANDING. I...
Forum: Geothermal & Heat Pumps 07-09-14, 08:37 PM
Replies: 19
Views: 10,360
Posted By jeff5may
Hello and thanks for opening this thread! A...

Hello and thanks for opening this thread!

A recap:
Dear All,

This is my first post here. I follow the heatpump section of EcoRenovator forum with great interest. I have built an ASHP and I...
Forum: Geothermal & Heat Pumps 12-05-13, 11:21 AM
Replies: 267
Views: 172,358
Posted By pinballlooking
The Gree had a nut on the indoor unit was on so...

The Gree had a nut on the indoor unit was on so tight that I had to use a air impact wrench to get it off. I would bet that is just something strange with this one unit.
The LG manuals are a little...
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