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  1. #1
    Join Date
    Nov 2004
    Location
    Phoenix, AZ.
    Posts
    9

    Default SWG Possible Problem

    New pool been running great about about four months. I have the Aqualogic PS4 system with SWG. As the temperatures have been getting hotter here in Phoenix I have had to adjust the chlorinator percentages higher to keep all the numbers in line. The unit has shown between 2900 and 3200 PPM since a day or two after the SWG start up. All is fine until this morning. Last night I bumped the chrlorinator % from 50 to 60. This morning during the regular pump run the system is saying "chrolintor off - low salt, check salt". So how or why did I go from 3200 to "low salt" with just a small chlorinator adjustment? Your comments are appreciated.

  2. #2
    cwstnsko is offline Registered+ Thread Analyst cwstnsko 0
    Join Date
    May 2006
    Location
    Mesa, AZ
    Age
    59
    Posts
    117

    Default Re: SWG Possible Problem

    It's normal to have to adjust the % as the temperature rises. That's one of the nice things about the autopilot, temperature compensation.

    Have you tested your salt level?

  3. #3
    Join Date
    Apr 2006
    Location
    Sacramento, CA
    Posts
    31

    Default Re: SWG Possible Problem

    If your SWG cell gets scale it will think it has low salt - most of these systems "measure" salt conc. by reading the cell current vs voltage (= resistance). How's your CH ? Does your system automatically reverse the cell polarity to clean the cell? You could need to manually cleanit

    btw, I read in this forum just recently that the chemical reaction which produces the chlorine increases with temperature.

    MikeK

  4. #4
    cwstnsko is offline Registered+ Thread Analyst cwstnsko 0
    Join Date
    May 2006
    Location
    Mesa, AZ
    Age
    59
    Posts
    117

    Default Re: SWG Possible Problem

    Chlorine output may rise, but I believe chlorine demand and consumption rises faster. It only takes 5-7% duty cycle to maintain FC in my pool in the winter, it takes about 40% to keeep up in the summer.

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