EcoRenovator  

Go Back   EcoRenovator > Improvements > Geothermal & Heat Pumps
Advanced Search
 


Blog 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 12-31-13, 04:10 PM   #21
jeff5may
Supreme EcoRenovator
 
Join Date: Jan 2010
Location: elizabethtown, ky, USA
Posts: 2,428
Thanks: 431
Thanked 619 Times in 517 Posts
Send a message via Yahoo to jeff5may
Default

I believe you made a good choice going with R134a as the working refrigerant in your rig. It has been done before. I am riveted by your dialog concerning your selection process. I know R134a has a very wide "acceptable" pressure range, making it useful in both refrigeration and air conditioning. But I did not know that you could push R22 or R290 that high without destroying something.

Obviously, R410a was designed to work at high pressure levels at moderate temps, not so much at low or high extremes. Can you elaborate on the envelopes of these refrigerants? Assuming a system (as yours) originally designed for R410a, where the compressor and plumbing will handle the high pressure, how hard can you actually push these alternative gases before they won't work? What goes wrong when a limit is exceeded?

The reason I ask is because so many of these R410a systems are hitting the scrapyards. I would love to experiment with propane or propylene in these units, but without an understanding of the temps/pressures that are achievable at safe margins, I am apprehensive.

jeff5may is offline   Reply With Quote
 


Tags
diy, heatpump water heater, hpwh

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 06:51 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design