the new programmable logic commands
- Thread starter GeD
- Start date
only here to help.......Test went OK.
Directions above are good for DAILY WC only.
For WEEKLY WC you need to have a Timer 3 stating the time and day that you are doing the WC on.
I.E. If you want to do your WC on a Sunday at 10am once a week then you would set the following:
Set Timer 1 (T1) to Specific Day(s) and select Sunday only. Then you would set the switching period to Event Start. Add a new switchpoint at 10:00AM.
Set Timer 2 (T2) to Specific Day(s) and select all the days. Then you would set the switching period to Normal and add 2 new switchpoints. The first should be 12:00AM to 9:59AM and the second should be 11:00AM to 11:59PM.
Set Timer 3 (T3) to Specific Day(s) and select Sunday only. Then you would set the switching period to Normal and add one switching point. This will be the period that the NSW is to be allowed to pump new water in if needed. It cannot intersect with T2. Add a new switchpoint from 10:05AM to 10:50AM.
Programmable Logic 1 will still be set to Water 1 + T2
Programmable Logic 2 Should be set at Water 1 + T3
Purge Pump = Water 2
NSW = Programable Logic 2
RO/DI = Programable Logic 1
This avoids NSW being used on a Tuesday at 10:30AM for ATO. If Level 1 indicates that it needs to be topped off nothing will happen until after 11AM.
For more WC's throughout the week you just add more switchpoints to T1 and then reflect them with T3. The RO will never turn on during the 10AM to 11AM window, so T2 never needs to be changed.
I prefer the weekly WC as it gets rid of more bad water instead of just diluting it all week.
Let me know if I missed something.
Directions above are good for DAILY WC only.
For WEEKLY WC you need to have a Timer 3 stating the time and day that you are doing the WC on.
I.E. If you want to do your WC on a Sunday at 10am once a week then you would set the following:
Set Timer 1 (T1) to Specific Day(s) and select Sunday only. Then you would set the switching period to Event Start. Add a new switchpoint at 10:00AM.
Set Timer 2 (T2) to Specific Day(s) and select all the days. Then you would set the switching period to Normal and add 2 new switchpoints. The first should be 12:00AM to 9:59AM and the second should be 11:00AM to 11:59PM.
Set Timer 3 (T3) to Specific Day(s) and select Sunday only. Then you would set the switching period to Normal and add one switching point. This will be the period that the NSW is to be allowed to pump new water in if needed. It cannot intersect with T2. Add a new switchpoint from 10:05AM to 10:50AM.
Programmable Logic 1 will still be set to Water 1 + T2
Programmable Logic 2 Should be set at Water 1 + T3
Purge Pump = Water 2
NSW = Programable Logic 2
RO/DI = Programable Logic 1
This avoids NSW being used on a Tuesday at 10:30AM for ATO. If Level 1 indicates that it needs to be topped off nothing will happen until after 11AM.
For more WC's throughout the week you just add more switchpoints to T1 and then reflect them with T3. The RO will never turn on during the 10AM to 11AM window, so T2 never needs to be changed.
I prefer the weekly WC as it gets rid of more bad water instead of just diluting it all week.
Let me know if I missed something.
kidney514
Premium Member
I personally only do it on sunday to! The only impact with the way I have done this, is that there is a 15 minutes window, where if there is any evaporation between 8:00 and 8:15 it would be topped off with NSW on everyday, and that has never happened so far!
Does it require that much time to do your water change? I guess I use a bigger pump for the purging of my old water.
To go back to your question, I would have to program it, just to be sure!
Does it require that much time to do your water change? I guess I use a bigger pump for the purging of my old water.
To go back to your question, I would have to program it, just to be sure!
i pump the water out through a EHEIM 1200 pump pushing the water out through john guest tubing so it can reach a drain outside. so this can take quite a while. In my test i used a small length of tubing and it took 30mins to drain the 35L (10gal). I use the same type of pump (20lp/min) to refill with NSW but that only takes about 2 mins with the extra head, thats running through 12mm tubing.
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