RO/DI setup question

skunkiechris · 02/23/2009, 08:14 AM

I'm planning out my RO/DI system, which will feed a reservoir in the basement below my tank. My plan is as follows:

water line --> sprinkler valve --> booster pump --> RO/DI --> reservoir

The reservoir will have two float switches (one above the other for redundancy) wired in series with the sprinkler valve. The sprinkler valve will also be wired back to my sprinkler controller, to allow the system to run a max of xx hours every xx days (preventing many short runs and controlling flooding in the event of a problem.)

So, when the sprinkler valve turns out, assuming the water level is low enough in the reservoir, the system will fill until the float switch opens the circuit, or until the time period is up.

For float switches, I'm thinking of using something like 46515K41 at McMaster-Carr. (Polypro Horizontal-Mount Liquid-Level Switch Low-Amp, 1/2" X 1/2" NPT Male, 100 Max PSI)

Does this make sense?

Thanks!

skunkiechris · 02/23/2009, 09:46 AM

Also a question -- Is it better to locate the RO/DI unit near the water reservoir, or near the drain for the waste water? (Does it matter if either of the outputs, waste or good water, has a lengthier tube?)

Thanks!!

Mike in AZ · 02/23/2009, 10:12 AM

On my SpectraPure Maxcap system I connected a long piece of tubing to the waste line and run it outside to water the trees and bushes. There is a lot more pressure and flow coming out of the waste line than the final product (good) line.

The good line goes straight down into a Brute trash can underneath the system.

skunkiechris · 02/23/2009, 12:50 PM

Cool -- that's exactly what I was looking for. Thanks!!

02/23/2009, 08:14 AM	#1
skunkiechris Registered Member Join Date: Jan 2009 Posts: 35	RO/DI setup question I'm planning out my RO/DI system, which will feed a reservoir in the basement below my tank. My plan is as follows: water line --> sprinkler valve --> booster pump --> RO/DI --> reservoir The reservoir will have two float switches (one above the other for redundancy) wired in series with the sprinkler valve. The sprinkler valve will also be wired back to my sprinkler controller, to allow the system to run a max of xx hours every xx days (preventing many short runs and controlling flooding in the event of a problem.) So, when the sprinkler valve turns out, assuming the water level is low enough in the reservoir, the system will fill until the float switch opens the circuit, or until the time period is up. For float switches, I'm thinking of using something like 46515K41 at McMaster-Carr. (Polypro Horizontal-Mount Liquid-Level Switch Low-Amp, 1/2" X 1/2" NPT Male, 100 Max PSI) Does this make sense? Thanks!

02/23/2009, 09:46 AM	#2
skunkiechris Registered Member Join Date: Jan 2009 Posts: 35	Also a question -- Is it better to locate the RO/DI unit near the water reservoir, or near the drain for the waste water? (Does it matter if either of the outputs, waste or good water, has a lengthier tube?) Thanks!!

02/23/2009, 10:12 AM	#3
Mike in AZ Registered Member Join Date: Mar 2008 Location: Surprise, Arizona Posts: 273	On my SpectraPure Maxcap system I connected a long piece of tubing to the waste line and run it outside to water the trees and bushes. There is a lot more pressure and flow coming out of the waste line than the final product (good) line. The good line goes straight down into a Brute trash can underneath the system.

02/23/2009, 12:50 PM	#4
skunkiechris Registered Member Join Date: Jan 2009 Posts: 35	Cool -- that's exactly what I was looking for. Thanks!!