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 CircuPool

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Universal / Si Series

 

 

 

 
 

 
 

                   Universal  /  

Si Series

 

Troubleshooting Guide 

 
 

 
 
Table of contents:

 

Basic Water Chemistry    

 

 

 

pg.2 

Phosphates & Nitrates   

 

 

 

pg.4 

Langelier Saturation Index  

 

 

 

pg.5 

Low Chlorine Level in Pool  

 

 

 

pg.6 

System Status Menu Displays    

 

 

pg.9 

Troubleshooting   

 

 

 

 

pg.10 

How to Clean the Electrolytic Cell 

 

 

pg.12 

How to Install the LCD Display Circuit Board   

pg.13 

How to Install the Flow Switch    

 

 

pg.14 

How to Install the Temp. Flow Switch   

 

pg.15 

   

 

 

 

 

 

 

 

  

 

The complete Universal or Si manuals are always available at 

Circupool

.com: 

http://www.circupool.com/circupool-userguides.php 

 

 

 

 
 

 

     

IMPORTANT 

-  

REMEMBER THAT YOUR POOL IS COMPATIBLE WITH CHLORINE AND SHOCK AS NORMAL. IF YOUR POOL IS 

EXPERIENCING TEMPORARY LOSS OF CHLORINE OR OTHER DIFFICULTIES,  ADD SANITIZER AS NEEDED TO MAINTAIN THE POOL.

 

      WARNING 

ALWAYS  MAKE  SURE  THE  INPUT  POWER  IS  COMPLETELY  DISCONNECTED  BEFORE  ATTEMPTING  ANY 

TROUBLESHOOTING PROCEDURES. ALL TROUBLESHOOTING SHOULD BE DONE BY A QUALIFIED PROFESSIONAL. 

 

Summary of Contents for Si Series

Page 1: ...stall the Flow Switch pg 14 How to Install the Temp Flow Switch pg 15 The complete Universal or Si manuals are always available at Circupool com http www circupool com circupool userguides php IMPORTANT REMEMBER THAT YOUR POOL IS COMPATIBLE WITH CHLORINE AND SHOCK AS NORMAL IF YOUR POOL IS EXPERIENCING TEMPORARY LOSS OF CHLORINE OR OTHER DIFFICULTIES ADD SANITIZER AS NEEDED TO MAINTAIN THE POOL WA...

Page 2: ...is consumed by sunlight and by breaking down organic material in your pool The level of chlorine you need to maintain depends on your CYA level and how much you use the pool It is important that you do not allow chlorine to get too low or you run the risk of getting algae or germs Maintaining an appropriate chlorine level is the most important part of keeping your water in balance The chlorine lev...

Page 3: ...or calcium scaling You can raise TA with baking soda It is often best to make large TA adjustments in a couple of steps testing the water after each one as adding baking soda will also affect the pH and you don t want the pH going out of range CH Calcium Hardness Calcium hardness indicates the amount of calcium in the water A plaster pool should have CH levels between 250 and 350 if possible If yo...

Page 4: ...to eliminate the accumulated phosphate is no longer necessary Phosphate removers can be added which allow the phosphates to be removed from the water A popular choice is Natural Chemistry s Phos Free which is a natural mineral product and is non toxic You can test for phosphates in your pool with the AquaChek Phosphate Test Kit found at www aquachek com Nitrates Nitrates are a matter similar to Ph...

Page 5: ...is less than 0 2 pool water is Corrosive Pool water may cause etching pitting dissolving and staining of walls grouting and plumbing It will also cause erosion to the titanium salt cell As Stabilizer Increases LSI Decreases As Total Dissolved Solids Increase LSI Decreases To raise your LSI value you should first balance the calcium hardness in the pool It needs to be between 200 400 PPM at all tim...

Page 6: ...Check Cell light is also on the Check Cell light takes priority o Is the Generating LED indicator flashing If it is the system is not able to send power through the cell because the water temperature is outside of operating range 2 Confirming Cell Current o If all warning lights are off power is successfully able to pass through the cell The Control Module has a built in power meter that ensures t...

Page 7: ...our chemistry report The Chlorine Stabilizer Cyanuric Acid or CYA level must be within range especially during the spring and summer months If there is not enough CYA in the pool then your chlorine will not be protected from the sun and the chlorine being produced by the salt system will be consumed once the sun hits the pool water Up to 90 of the pool s chlorine can be depleted within 2 hours wit...

Page 8: ... of thumb however run your system one hour for every ten degrees of ambient temperature in order to achieve both sufficient filtration and chlorination Periods of high use harsh environmental conditions or excessive chlorine demand may require extended run times For example running your system twice as long will allow it to create twice as much chlorine Cell Maintenance Make sure the cell plates a...

Page 9: ...le position to the left position 2 Cell Voltage Range can be 20 0 26 0 volts while generating If the voltage reads near 10 0 13 0 the system is configured to accept 220V but is only receiving 110V 3 Cell Current Range can be 2 50 8 00 amps while generating May be 0 during normal operation when system turned to less than 100 output and is in its rest mode If present a hyphen indicates polarity and ...

Page 10: ...igh Salt lights c Ensure correct Cell Version is set in the System Status menu 5 No Flow LED light is flashing a The system has detected that water flow has been restored and is ensuring constant and steady flow This light may blink for 30 60 seconds after flow has been restored 6 No Flow LED light is on solid a The Flow Switch is not being triggered by water movement b Ensure that the Flow Switch...

Page 11: ...stem will appear to power on but will not be operational or be able to read salinity or create chlorine The Check Cell and Check Salt light may remain illuminated In the System Status menu the voltage may read approximately 10 0 13 0 b Warning If the Control Module is configured to accept 110V but is connected to 220V this may cause severe damage or harm c See diagram below for the Control Module ...

Page 12: ...cess is recommended Always add acid to the water never water to the acid 6 In a separate bucket mix a solution of one part Muriatic Acid and five parts water 7 There are two different ways to clean the cell a Use the End Cap plug sold separately to cap off then outlet side of the cell and pour the solution into the top of the cell i Secure cell and let it soak for 5 10 minutes ii See picture below...

Page 13: ...wn in the picture below 3 Gently life the Display PCB off of the 4 plastic holders and the connecting needles 4 Position new Display PCB on the connecting needles 5 Position all 4 plastic holders 6 Gently press down on the new Display PCB to lock it in place 7 Turn on Si module to verify proper installation and power 8 Reconnect front panel with the screws WARNING ALWAYS MAKE SURE THE INPUT POWER ...

Page 14: ...ntil the switch is loose enough to pull out of the PVC fitting 3 Install new flow switch and twist it clockwise to tighten Make sure the directional arrow is facing the same direction as the water flow Additional Teflon tape can be added to the threads to ensure a tight water seal WARNING ALWAYS MAKE SURE THE INPUT POWER IS COMPLETELY DISCONNECTED BEFORE ATTEMPTING ANY TROUBLESHOOTING PROCEDURES A...

Page 15: ...ews from the front of the Control Module and remove the faceplate cover 3 Locate the three gold pins just above and slightly to the left of the light grey terminal where the flow switch plug gets connected on the lower portion of the main circuit board see arrows in picture below You will see a small black plastic jumper connecting two of the three pins Move this plastic spacer one space over to l...

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