Forum: Geothermal & Heat Pumps
10-21-15, 01:56 AM
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Replies: 1,943
Views: 3,669,844
R-22 vs R-290
To be honest, when I released some propane from the low side it came out with some foamy oil !!! (it settled within a few seconds). If that' s the case then the solution would de a bigger evaporator?...
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Forum: Geothermal & Heat Pumps
10-21-15, 01:45 AM
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Replies: 1,943
Views: 3,669,844
R-22 vs R-290
No, I haven't measured the heat transfer yet, I plan to install a heat metering device in the next set-up. I am guessing though, I am not utilising all of the evaporator for two reasons :
a) On...
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Forum: Geothermal & Heat Pumps
10-19-15, 08:23 AM
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Replies: 1,943
Views: 3,669,844
GSHP Project back to life !!!
Hello to all,
After many setbacks I finally made it to built my "proof of concept" GSHP.
My main concern was the output of the GS HX Loop (~ 500m of pipe, divided in 6 circuits and buried at ~ 2m...
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Forum: Geothermal & Heat Pumps
03-10-12, 08:12 AM
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Replies: 1,943
Views: 3,669,844
More homework!
Thanks a lot. I will do my homework and report back !!!
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Forum: Geothermal & Heat Pumps
03-09-12, 06:56 AM
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Replies: 1,943
Views: 3,669,844
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Forum: Geothermal & Heat Pumps
03-08-12, 12:45 PM
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Replies: 1,943
Views: 3,669,844
That's huge, therefore out of the question!!!...
That's huge, therefore out of the question!!! I'll stick to the plated HX.
But i am still puzzled for what is the best solution :
- Reverse the refrigerant flow with the existing Reversing...
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Forum: Geothermal & Heat Pumps
03-07-12, 10:46 PM
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Replies: 1,943
Views: 3,669,844
Ground Loop HX
I am really tempted to make a copper tube HX for the ground loop side, "drown" it in to a barrel and use a submerged pond circulation pump. For testing it i found on ebay a cheap China Made one with...
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Forum: Geothermal & Heat Pumps
03-07-12, 10:34 PM
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Replies: 1,943
Views: 3,669,844
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Forum: Geothermal & Heat Pumps
03-07-12, 04:01 PM
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Replies: 1,943
Views: 3,669,844
Yes checked it twice. It seems to be the...
Yes checked it twice. It seems to be the standard for the low range split type A/C here. Very easy to integrate it to my existing controls.
I meant something like what BradC is suggesting...
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Forum: Geothermal & Heat Pumps
03-01-12, 06:20 AM
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Replies: 1,943
Views: 3,669,844
Firts step
I finally got hold of the compressor for the heat pump project :
Compressor (Model - Type) : YZG-39RCT1 - Rotary
Power rating (W) : 1300
Cooling capacity (W - BTU/h) : 3900...
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Forum: Geothermal & Heat Pumps
02-22-12, 07:08 AM
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Replies: 1,943
Views: 3,669,844
I will folow your lead.
Hello all, and many thanks for the manifesto (Read it all).
From what i can tell we share the same thinking regarding ecology, economy and DIY.
I have a well insulated home at Chania - Crete,...
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