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Forum: Geothermal & Heat Pumps 09-26-12, 10:33 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Everything you could possibly want to know, and...

Everything you could possibly want to know, and more about sizing ref piping.
PDF Link, large - 70pages (http://www.daikinmcquay.com/mcquaybiz/literature/lit_systems/AppGuide/AG_31-011_120407.pdf)
Forum: Geothermal & Heat Pumps 09-21-12, 09:06 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
To run 2 separate coils on the same pump could be...

To run 2 separate coils on the same pump could be a bit challenging as far as keeping things balanced. You'd never be able to properly set subcooling (as a condenser) to optimum numbers as the...
Forum: Geothermal & Heat Pumps 09-18-12, 10:20 AM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Been a while since I last checked in about my...

Been a while since I last checked in about my waterheater but... Finally got my taco pump rebuilt and plumbed in to the unit and is in its final stages of testing. Thanking my luck I also took the...
Forum: Geothermal & Heat Pumps 07-26-12, 04:46 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
I hope to keep the tank turbulence down so that...

I hope to keep the tank turbulence down so that the water can stratify to at least some degree. I fully expect semi heated water to return to the unit, which was the purpose of the waste heat...
Forum: Geothermal & Heat Pumps 07-25-12, 08:27 AM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Pulled some new numbers. Using an open loop...

Pulled some new numbers. Using an open loop (read, city water)...
1 gpm flow
Water entering 85.8*f
Water leaving 103.5*f
~8900btu hr
Liquid temp 87.3*f
Hot gas 121.8*f
Ambient 86.8*f 54%...
Forum: Geothermal & Heat Pumps 07-19-12, 04:37 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Included driers are usually very small units with...

Included driers are usually very small units with very low capacities. I intentionally removed the existing one (directional, no filter) and installed a much much higher capacity bi directional...
Forum: Geothermal & Heat Pumps 07-18-12, 08:42 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Thought you would like that. It covers pretty...

Thought you would like that. It covers pretty much anything thats used as a ref. lol That and it tells you whats in blends which is a neat plus. Its been a great reference sheet when I was...
Forum: Geothermal & Heat Pumps 07-18-12, 05:03 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
I have looked high and low for my most current...

I have looked high and low for my most current time/temp chart and cannot find it! Soon as I run a new test I will certainly update. Recently tweaked the superheat on the txv so there should be a...
Forum: Geothermal & Heat Pumps 07-14-12, 03:37 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Correction, the listing for the BPHE listed above...

Correction, the listing for the BPHE listed above was incorrect in claiming 5kw on r-22. I just stumbled across some of my research that showed them as being 1.5kw units with a 20* delta.
Forum: Geothermal & Heat Pumps 07-14-12, 07:01 AM
Replies: 1,943
Views: 4,675,366
Posted By RB855
Hello again, The unit has not gone into service...

Hello again,
The unit has not gone into service yet, but the intended storage tank will be a 55gallon waterheater that has had the lower element disabled. The pump is still a work in progress. Iv...
Forum: Geothermal & Heat Pumps 07-13-12, 10:10 PM
Replies: 1,943
Views: 4,675,366
Posted By RB855
1st post!

Finally finished reading all 127 pages of this string, what a read. I came upon it while looking for ways to improve upon a very similar project. Iv built a heatpump waterheater from a 12k btu...
Showing results 1 to 11 of 11

 
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