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NABCEP certified Technical Sales Professional
[URL="http://www.solarpaneltalk.com/showthread.php?5334-Solar-Off-Grid-Battery-Design"]http://www.solarpaneltalk.com/showth...Battery-Design[/URL]
[URL]http://www.calculator.net/voltage-drop-calculator.html[/URL] (Voltage drop Calculator among others)
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The system stopped working last week. The pump that moves the fluid through the system stopped working. I had a guy come out last year in the fall to check the fluid acidity and pressure which were all ok. But ever since the service guy’s visit (not sure what he had to do, I wasn't watching) the pump started making a rattling noise. I called the guy that originally installed the system and he gave me a quote of $900 to replace the fluid, pump and the extension tank (assuming all of them have to be replaced, which he said probably will be the case). I then called the guy that I had come out last year to check the fluid and he gave me an replace all estimate of $300 -350. Why such a big difference? I’m not sure if one guy is trying to rip me off ,or does the other guy doesn’t know what he’s doing. I don’t think it’s worth spending $900 to fix it up. I already spent $600 6 years ago to have the pump/fluid/extension tank replaced.Thanks for all your replies.
Below shows the type of system I have. The system was last serviced in 2006 and according to the little label it should have been serviced last year. Current pressure is at 20 psi when the pump is running. When it was serviced the pressure was at 30 psi. When the pump isn't running, psi is at 15. The label on the small gray tank states that min required pressure is 14 psi (that gray tank was also replaced by the service tech). I don't see any leaks anywhere. The water tank is stone lined, there is some rust on the outer shell here and there (especially bottom). Does the liquid that runs through the panels evaporate over time, leak into the water tank or escape the system some other way? I stated previously that the system is 25 years old, but I think it's more like 30...
[ATTACH=CONFIG]1834[/ATTACH][ATTACH=CONFIG]1835[/ATTACH][ATTACH=CONFIG]1836[/ATTACH]
Any advice?
Thank you,Comment
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Maybe get a third opinion and quote. Someone should come up with the correct solution and cost to match. Good luck.The system stopped working last week. The pump that moves the fluid through the system stopped working. I had a guy come out last year in the fall to check the fluid acidity and pressure which were all ok. But ever since the service guy’s visit the pressure (not sure what he had to do, I wasn't watching) the pump would make this rattling noise. I called the guy that originally installed the system and he gave me a quote of $900 to replace the fluid, pump and the extension tank (assuming all of them have to be replaced, which he said probably will be the case). I then called the guy that I had come out in last year to check the fluid and he gave me an replace all estimate of $300 -350. Why such a big difference? I’m not sure if one guy is trying to rip me off or does the other guy doesn’t know what he’s doing. I don’t think it’s worth spending $900 to fix it up. I already spent $600 6 years ago to have the pump/fluid/extension tank replaced.
Any advice?
Thank you,Comment
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