Settings for variable speed pump

kpischel

0
LifeTime Supporter
Jul 13, 2015
29
Scottsdale, AZ
Interesting, need look into what the pool guy has been doing... Used to have a valve I'd switch for running the vac side cleaner at a higher RPM for couple of hours daily. Rest of the time (remaining full 24 hrs) it would run ~1200 RPM, enough to keep the system showing flow. That system got tweaked when added a heat pump and gas heater... for some reason the valve connection needed to be used for something else. Ugh. So they ran the system like 2700 RPM full time with the valve manually set part way to the cleaner. Not very efficient. So, I found the other day that I could use the valve again and I've got it running like before... 1200 RPM except when cleaner runs (at around 2300 RPM (so it doesn't climb out of the pool too often) for 3 hours or so. I work under the assumption that its better to keep it running 24 hours a day... right assumption?

Just installed a new Pentair SWG... put it off out of annoyance with the doubled cost... I'm in arizona... found couldn't add enough cholorine to carry between pool guy visits... so back to the SWG. I don't know what my guy did or if faulty or what but the SWG isn't talking to intellichem/intellicenter. At first I was annoyed, but then found I could manually adjust the output... Ha... what a difference. I'm tweaking it now to get the correct output. It was set to 60% initially and popped the FC up to 12... so I put it down to 20% and dropped to around 7.5%. Just bumped up to 40%... we'll see... my CYA is ~80, understating the old ORP measures so the system, when connected, kept telling the SWG to run at 100%... this has been noted in the forum but interesting to see it happen first hand. Clearly a trade off between burning up the SWG at 100% and moderate CYA (say 50) and running the SWG at 40% with CYA at 80. Anyway, now that the SWG is at 40%, if that seems a bit high, I guess I'll tweek the run-time of the pump.
 
When tweaking the SWCG, don't worry if you trend to more FC. It's always better to be on top end of range or higher - you can't really be too "high", but you can certainly be too low.

You don't have to run 24/7, but I think the benefits are worth the tiny incremental electrical usage increase. Running as low as possible to keep SWCG/Heater happy keeps the pool skimming constantly, filtering constantly, and making FC constantly (per SWCG set point.)
 
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