Converting to Salt / Pentair 520538

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J

jlthla

Active member
Feb 4, 2018
41
Hammond, LA
So I’m getting ready to convert to salt water. I have a Pentair Easy Touch 520538, but does’t have the ‘guts’ for the SWG. I’m assuming/ hoping the missing parts will be trivial to install and get up and running. I’ve got the EasyTouch connected to a Raspberry Pi, so really want to get the generator working thru the EasyTouch as opposed to a stand alone power supply.

I’ve read the Horizontal/Vertical discussions.. but might be too difficult for me to install vertically…maybe not out of the question. The 1’ of straight pipe before the input is mostly the problem for me for a vertical install, but I’ll end up with a lot of extra bends in the plumbing. If I do mount vertically, which end is best to be ‘up’? The intake or the output?

My pump does run at 2 speeds, but am far from certain that at the lower speeds there will be enough “flow” for the generator to operate. Should I try to program the SWG to run only when the pump is running at high speed? Will the generator just turn itself off without enough flow?

As far as adding salt to the pool, I guess I just dump it in? Also guessing a good idea to let the water circulate with the salt in it for a bit before running the SWG?
 
You will need to use an external power supply for the Intellichlor. You will wire the power to that through the Load side of your pump/filter relay in the Easytouch. You will connect the RS485 cable from the power center to the Easytouch RS485 input.

I would install the Intellichlor horizontally if you have room. If you install vertically, it must be installed with flow 'up'.

A two speed pump should have enough flow in low speed for the flow switch unless you have a heat pump or other restrictions.

When adding salt, be sure to brush it around and not let it sit in one spot for too long. Iron stains can occur. Also run the pump for 24 hours and brush the pool very well a couple times before powering on the SWCG.
 
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First test the pool water salinity with a proper test kit, such as the Taylor K1766
Then take the target level of salinity needed by your SWCG.

Add 2/3 of the amount of salt to raise your current salinity to your target. EXAMPLE -- current salinity is 1000 ppm, target is 3000 ppm. Difference is 2000 ppm. Add enough salt to raise salinity by 1700 ppm. Brush, run pump, etc and test salinity after a couple days. Then add enough salt to get you the rest of the way to your target.

Use Effects of Adding in PoolMath
 
So got everything in yesterday, got all the plumbing done and no leaks! That was way beyond my skill set but am happy so far its all good. Added all the salt in batches late yesterday so, getting close. In trying to connect the communications between the SWG power supply and my Easy Touch panel, I’m assuming it just connects to the same terminals as the wired remote? Or do I need to invest in the Comm Ports adaptor to have more ports? So what I’m asking is can the COMM port handle 2 different types of data, one from the remote, and one from the SWG, simultaneously?
 
You can pigtail the RS485 lines if you have more than two wires under a screw connection.
 
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