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Search: Posts Made By: ThMihov
Forum: Geothermal & Heat Pumps 01-31-22, 01:19 PM
Replies: 0
Views: 2,649
Posted By ThMihov
Mini-split modification question?

Hi everyone.
Since some time ago,i'm wondering is it worth to change the capillary system of cheap mini-split system with standard TXV,not EEV,since the price of the EEV+controller is about 2-3...
Forum: Geothermal & Heat Pumps 11-04-18, 08:32 AM
Replies: 14
Views: 11,132
Posted By ThMihov
Hello again,after an year in which i was busy...

Hello again,after an year in which i was busy with other things and i stopped working on my project.
Acuario,no i don't have any problems when i disconnect either of them.Maybe the built-in...
Forum: Geothermal & Heat Pumps 02-08-18, 02:43 PM
Replies: 14
Views: 11,132
Posted By ThMihov
Little late,but...better than never:confused: ...

Little late,but...better than never:confused:
So finally explanation of my idea for controlling the AC.
Since it is a DC inverter,simply applying voltage to the compressor,doesn't work,because...
Forum: Geothermal & Heat Pumps 02-07-18, 12:20 PM
Replies: 14
Views: 11,132
Posted By ThMihov
Good evening everyone :) Ron342,i like the idea...

Good evening everyone :)
Ron342,i like the idea for detecting the blocked air flow,but for now,I'll keep it simple and use a temperature sensor,because the forecast about the next week is talking...
Forum: Geothermal & Heat Pumps 02-04-18, 01:41 PM
Replies: 14
Views: 11,132
Posted By ThMihov
Hi again :) Unfortunately,in the past few days...

Hi again :)
Unfortunately,in the past few days i had no free time to update my project,except that today before i went to the other garage to repair my car,i turned the heatpump,to see if it can...
Forum: Geothermal & Heat Pumps 01-31-18, 03:12 PM
Replies: 14
Views: 11,132
Posted By ThMihov
Hi again from me :) Thanks for the kind words...

Hi again from me :)
Thanks for the kind words :)
Piwoslaw,I know that I can't be 100% accurate,because unfortunately we all can't have a laboratory in our homes,but it would be nice:D.As you...
Forum: Geothermal & Heat Pumps 01-30-18, 01:34 PM
Replies: 14
Views: 11,132
Posted By ThMihov
Now the test results,from the first run. I...

Now the test results,from the first run.
I forgot to mention,that i have mounted a flow sensor after the indoor unit.It's like this one in the attachments.It's big,but it was about another...
Forum: Geothermal & Heat Pumps 01-30-18, 05:12 AM
Replies: 14
Views: 11,132
Posted By ThMihov
Hi,Piwoslaw :) This,setup is just for testing...

Hi,Piwoslaw :)
This,setup is just for testing with single radiator,that's why is so small :).As i said earlier,if the setup remains the same i'll replace it with bigger one from stainless steel :)...
Forum: Geothermal & Heat Pumps 01-29-18, 09:11 AM
Replies: 14
Views: 11,132
Posted By ThMihov
Since it will be a low-temperature heating...

Since it will be a low-temperature heating system,it will require very large radiators to compensate for the lower temperature of the water.That means a lot of money for radiators and a lot of space...
Forum: Geothermal & Heat Pumps 01-29-18, 08:33 AM
Replies: 14
Views: 11,132
Posted By ThMihov
My DIY heatpump attempt

Hi all,congratulations for the great forum first :)

In general I'm experimenting with an old split air conditioner which i would turn in to some kind of homemade heat-pump.The basic idea is to...
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