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Search: Posts Made By: xotet
Forum: Geothermal & Heat Pumps 05-06-12, 03:03 PM
Replies: 91
Views: 44,751
Posted By xotet
Hi Nigel, great Job!!!!! this is very promising....

Hi Nigel, great Job!!!!! this is very promising. I only worried with the logic of the PCB that controls the Outdoor unit, for example you can send a command to put the unit on in the heat mode but...
Forum: Geothermal & Heat Pumps 05-06-12, 10:36 AM
Replies: 28
Views: 12,152
Posted By xotet
Im still working on my setup, a lot of data...

Im still working on my setup, a lot of data collected before to connect the HX, in order to get the system with the the correct refrigerant quantity I need to collect as many as data possible before...
Forum: Geothermal & Heat Pumps 04-12-12, 12:49 AM
Replies: 28
Views: 12,152
Posted By xotet
Hi Nigel I buyed on ebay store, Im using a...

Hi Nigel I buyed on ebay store, Im using a 6000-1000BTU rated, it costs me 154, there are lower prices but if you work with R410A you need a certified unit at 45Bar.

This is the store:

...
Forum: Geothermal & Heat Pumps 04-11-12, 11:42 AM
Replies: 91
Views: 44,751
Posted By xotet
I dont know Daikin, I have mitsubitshi here in ...

I dont know Daikin, I have mitsubitshi here in my house, but certainlly maybe the same. The comunication between the indoor and outdoor units its Serial. If you post the model of the Daikin you...
Forum: Geothermal & Heat Pumps 04-11-12, 09:22 AM
Replies: 28
Views: 12,152
Posted By xotet
Hi Nigel, nice to take an opportunity to talk...

Hi Nigel, nice to take an opportunity to talk with you, Im also talking from Spain, again Im apologize for my bad english.

Before start my project I readed and studied your posts,...
Forum: Geothermal & Heat Pumps 04-10-12, 03:55 PM
Replies: 28
Views: 12,152
Posted By xotet
Some parts start arriving, actually Im working...

Some parts start arriving, actually Im working on the Fans due to unable to control the compressor dicharge temp with the condenser Fan. Also investigated the speed regulation of the shaded pole...
Forum: Geothermal & Heat Pumps 04-07-12, 10:43 AM
Replies: 28
Views: 12,152
Posted By xotet
Hi Folks, still waiting some parts, but working...

Hi Folks, still waiting some parts, but working on the test rig. At this time I removed all the parts from the A/C unit, only used the compressor, evaporator and condenser. Put it on a Test rig. Im...
Forum: Geothermal & Heat Pumps 03-27-12, 03:13 PM
Replies: 28
Views: 12,152
Posted By xotet
Hi AC, sorry for the pic, I made it superfast and...

Hi AC, sorry for the pic, I made it superfast and isnt the best.

Im talking about this:

http://ecorenovator.org/forum/attachment.php?attachmentid=2238&d=1332878627

With Heat...
Forum: Geothermal & Heat Pumps 03-27-12, 10:47 AM
Replies: 28
Views: 12,152
Posted By xotet
Ok, just run third test, just to know why Im...

Ok, just run third test, just to know why Im having evoporator frost. For this test Im covered a half of air condenser in order to get high temperature on condenser outlet.

Started the...
Forum: Geothermal & Heat Pumps 03-23-12, 04:51 PM
Replies: 28
Views: 12,152
Posted By xotet
Hi Folks, Today I finally removed...

Hi Folks,

Today I finally removed electronics from the A/C unit, So I run First test to see whats the Max temp can be reached on the condenser inlet. The results have been disappointing, just a...
Forum: Geothermal & Heat Pumps 03-18-12, 11:42 AM
Replies: 28
Views: 12,152
Posted By xotet
No Im going to heat the water, the use of the...

No Im going to heat the water, the use of the compressor heat to increase the performance its a great idea, and also the heat radiation of the HX to the ambient may also used to increase system...
Forum: Geothermal & Heat Pumps 03-14-12, 03:10 PM
Replies: 28
Views: 12,152
Posted By xotet
Yes, I have acces to R410A, But Im evaluating to...

Yes, I have acces to R410A, But Im evaluating to use R407C since it gets hotter at lower pressures, this gone be interesting to test.

According R410 P/T table:

Cd 57C=36 Bar...
Forum: Geothermal & Heat Pumps 03-13-12, 06:48 PM
Replies: 28
Views: 12,152
Posted By xotet
Today I buyed a Olimpia portable A/C, for only...

Today I buyed a Olimpia portable A/C, for only 40€. Before make any mods on it Ive tested the operation, here are the numbers:


Ambient temp = 15C
Compressor Discharg = 57C Max
...
Forum: Geothermal & Heat Pumps 03-11-12, 09:45 AM
Replies: 28
Views: 12,152
Posted By xotet
Hi Folks, thanks for your inputs. This...

Hi Folks, thanks for your inputs.



This is a great idea. Im focused now only on the HX, multiplate HX have Higher performance but have higher pressure drops. I Will like to start testing...
Forum: Geothermal & Heat Pumps 03-10-12, 04:40 PM
Replies: 28
Views: 12,152
Posted By xotet
Nexsupreme thanks for your inputs, your system...

Nexsupreme thanks for your inputs, your system seems to be very cool, could you please post some photos??? Also I have a few questions:

-Whats the refrigerant are you using???
- How...
Forum: Geothermal & Heat Pumps 03-10-12, 12:34 PM
Replies: 28
Views: 12,152
Posted By xotet
Using portable A/C for DHW Heater

Hi Folks, first off all Im apologize for my bad english, Im writting from Spain. This is the most interesting forum found over the net talking about Heat pumps DIY and A/C hacking.

The goal of...
Showing results 1 to 16 of 16

 
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