Re: [RE-wrenches] Retrofit variable speed drive to old well pump?

2016-12-11 Thread Ray Walters
Hey Dan; If this just problem just started, I'm with Drake, you could have a premature cell failure. I also agree with Allan, 2 wire pumps are certainly problematic on inverters. Many well service folks don't even install them because they don't last near as long as 3 wire pumps, so your cu

Re: [RE-wrenches] Retrofit variable speed drive to old well pump?

2016-12-11 Thread Dan Fink
Thanks for the advice, everyone! The problem has been ongoing since the system was first installed, it didn't just crop up. I have checked the battery bank (8x L-16) under load with a thermal imager and voltmeter and refractometer, no issues with cell voltage, SG or bad connections. I'll be looking

Re: [RE-wrenches] Retrofit variable speed drive to old well pump?

2016-12-11 Thread Dan Fink
3-wire only for the Franklin MonoDrive. Darn! The Gould version works with with 2-wire...but only at 240vac. Oh well, after my client chokes down the well company bill next spring, I'll have a lovely, scenic 4WD trip up the mountain, do 30 minutes worth of wiring, be the hero, and never have to has

[RE-wrenches] Variable Speed old AC Pumps

2016-12-11 Thread Tom Lane
You might try a capacitor for an old AC pump but I do not ever suggest making it variable speed as AC pumps have a locked rotor amps start that is sometimes much greater than the LRA listed especially as they get older and AC pumps normally will not start without full power AND ONLY AFTER THEY A