Need Pool Pump VFD

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For a 5 HP pool filter pump on 208V consider the Variable Frequency Drive (VFD) models from Schneider Electric or Yaskawa.Both offer reliable smart VFDs that can optimize flow and energy use.Look for models with 120V AC control inputs for easy integeration.
 
bellington said:
Thanks guys. The drive in question is a Yaskawa iQpump Micro Drive. TB1-1 terminal strip has S1 through S7, and an SC. Can those 7 terminals be connected to 7 relays and configured for start/start (S1 and SC), and S2-S7 to SC for various speeds?
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Many cases such terminals I seen end up being something like: a common terminal, forward run, reverse run, fault reset, and three remaining terminals are for multispeed input.
 
Jraef said:
CES is (was) a supplier, recently taken over by a larger company called Aquafinity, but they don't make the VFDs. Their VFDs are Yaskawa and although CES packaged them for their equipment, the drives inside were no different from what Yaskawa sells direct. But that series is no longer supported anyway.

But that Jandy unit only turns the pump on and off, it doesn't have any capability of deciding what speed it should run at, so just having a VFD is not going to accomplish that on its own. That's likely what the CES packaged unit was going to do. So unless you want to engineer that part of this with a PLC or microcontroller of some sort, I suggest you contact Aquafinity and find out what the replacement for that CES unit is now. I'd post a link, but my company security platform is not allowing me to get to their site, so they may have been hacked or something.
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Malwarebytes, Guardio and Microsoft Defender are not currently flagging anything about aquafinity.com on my Chrome Browser.
 
Good morning to all and thanks for the help. The reference material for the iQpump Drive implies the pump should run the pump forward with terminals S1-SC shorted. Then it has a section on installing a 24 volt transformer as if the S1 terminal needs 24 volts to cause the drive to make the motor run. Can someone tell me if simply connecting S1 to SC through a Jandy relay should make the pump motor run? Or, do I need to provide 24 volts, switched through a Jandy relay to make the pump run?

Thanks a bunch!
 
Jraef said:
The usual application of variable speed in pools and spas is for when there is some operation that needs more flow than others, such as when you need low flow for a long time for filtering, but high flow during sweeping /vacuuming of the pool, or jets in the spa.
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seems a two speed motor might actually be a better solution for what you described.
 
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