Pump and SWG relationship

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jeana802

jeana802

Member
Aug 15, 2022
19
Ohio
Pool Size
18500
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite (T-15)
Have been following this forum prior to our pool build. It has been quite an adventure to say the least. So many questions and many that I haven't even thought of yet! Everyone talks about rpm's of a pump but ours only has % speeds and I have no idea what the rpm's of each is. Tried running the pump at a lower speed and get LO code with heater off but SWG continues to work. Then turned the pump off for 12 hrs. and get the LO code and NO FLOW on SWG which is obvious. I guess my second question, is it ok for these to sit in this state until pump turned on this morning? I've read about explosions from gas build up. Also trying to get all chemicals in line. If not visible let me know. I have the app and the TF-Pro Salt kit that I've been using.
 
Welcome to TFP.

Your Aquarite needs to be on a timer so power is off when your pump is off. Or you need to run your pump 24/7.
 
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Welcome to TFP!

The good news is it sounds like the flow switches on your heater and SWG are operating as designed. You should set the pump so the lowest speed opens both flow switches and allows them to operate.

What's somewhat concerning is it sounds like your SWG is powered on 24/7. This means that it only shuts off when it does not detect flow. If the flow switch fails, hydrogen gas could build up in the cell which presents a risk for explosion. We recommend that you connect the SWG to a separate timer so that it is only on when your pump is running. The type of timer varies depending on your power supply and equipment layout. If you post some photos of the equipment related to your swg, we may be able to provide some recommendations.

Edit...Allen beat me to it...
 
What model VS pump are we discussing? Your signature says 1.65HP Hayward Super Pump XE which is a single speed pump.
 
Why did you add baking soda with a TA of 70?

TA down to 60, even 50, is fine.

I would run your FC around 8 for CYA 70.
 
Thank you, I know my pump has three cycles(4, 8, 12 hrs) with 6 speeds to choose from within each cycle but listed as a %. (100, 80, 70, 50, 45, 40 and 0) I've manually turned off the SWG but didn't last night, defiantly need a timer! PB was very old school, not sure in the end he was worth the $20k savings. Haven't figured out the pump in relationship to the SWG. Not sure how long to run the pump or SWG at this point.
 
ajw22 said:
Why did you add baking soda with a TA of 70?

TA down to 60, even 50, is fine.

I would run your FC around 8 for CYA 70.
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I think I was confused! App said 60-80 was ideal?? Hope I didn't mess things up!
 
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Most pump motors have a max RPM of 3450. So 50% is 1725 RPM.
 
ajw22 said:
Most pump motors have a max RPM of 3450. So 50% is 1725 RPM.
Click to expand...
Yes motor says 600-3450rpm's but when I do the math at each speed % it doesn't actually work out? I never get the 600rpm's at 40%..I know the SWG can run at a pretty low speed, can't remember which % but we did test that and the Hayward heater won't run below 70% without the LO code coming on.
 

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jeana802 said:
Yes motor says 600-3450rpm's but when I do the math at each speed % it doesn't actually work out? I never get the 600rpm's at 40%..I know the SWG can run at a pretty low speed, can't remember which % but we did test that and the Hayward heater won't run below 70% without the LO code coming on.
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I have the same pump. You need to run the pump at 70% or higher for the heater. The SWG can run as low as 50% (I never tried on 45% or 40%)
 
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jeana802 said:
Yes motor says 600-3450rpm's but when I do the math at each speed % it doesn't actually work out? I never get the 600rpm's at 40%..I know the SWG can run at a pretty low speed, can't remember which % but we did test that and the Hayward heater won't run below 70% without the LO code coming on.
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You have a 1.65 HP pump. You cannot compare your % or RPMs to folks who have a 2.7 to 3HP pump. You need to run higher.
 
Rancho Cost-a-Lotta said:
Welcome to TFP!

The good news is it sounds like the flow switches on your heater and SWG are operating as designed. You should set the pump so the lowest speed opens both flow switches and allows them to operate.

What's somewhat concerning is it sounds like your SWG is powered on 24/7. This means that it only shuts off when it does not detect flow. If the flow switch fails, hydrogen gas could build up in the cell which presents a risk for explosion. We recommend that you connect the SWG to a separate timer so that it is only on when your pump is running. The type of timer varies depending on your power supply and equipment layout. If you post some photos of the equipment related to your swg, we may be able to provide some recommendations.

Edit...Allen beat me to it...
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Yes, a timer sounds like that will help some of our problems! Here's some pics of our mech. set up. This is a work in progress..
 

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An observation on your work in progress - those ball valves will stick and handles will break in a few years. We discourage the use of ball valves and recommend all diverter valves be used.
 
ajw22 said:
An observation on your work in progress - those ball valves will stick and handles will break in a few years. We discourage the use of ball valves and recommend all diverter valves be used.
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Ok thanks! I'll let my husband know. Like I said the builder was very old school!
 
jeana802 said:
Yes, a timer sounds like that will help some of our problems! Here's some pics of our mech. set up. This is a work in progress..
Click to expand...
In the first photo, the white cable from your cell goes to the SWG controller. There's conduit running from the bottom of that box over to a subpanel or load center. Take a look in there and see if there are any round timer dials. If you or your husband don't have experience with home electrical systems, you might want to get some professional assistance. If there's no timer in the grey box, a timer should be installed between those two boxes to control the SWG.

Until the SWG is connected to a timer, you can manually shut down the SWG controller when the pump is off or run the pump 24/7.
 

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