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Mini-8 Total Watering Time Excessive-Part II

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4 comments

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    RainMachine Nicholas (Edited )

    Hi,

    22 minutes is the daily duration for a summer day. This will increase with a lower frequency, for 1 hour and 6 mins it means an every 3 days watering cycle (3 * 22) which is the 100% duration that gets reduced by climate and rain. In the end we compute evapotranspiration based on a well tested and certified formula and then we replenish that in a duration based on the performance of the sprinklers.

    If you think that suggested duration is too high you can use your previous system duration as a custom duration on each zone as a baseline for RainMachine future computations.

    Basically what are you telling RainMachine with these duration is: "In a normal summer day my zone is fine if it's watered X minutes every Y days". Then RainMachine will take it from here.

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    GHammer

    Excellent explanation of how and why.

    This should be somewhere in the manual/info/settings pages.

    Thank you. I will allow the timer to do the job I bought it for and monitor to see just how much water it uses before making manual adjustments.

    So, just so I understand the process.
    Currently, the program is showing the duration for the hottest, driest Summer day.
    In May, when we would water every 3 days at 70% water budget, the timer should decrease the amount of water applied. Will it schedule accordingly, meaning skip days?
    June (80%), July (90%), August (70%) every 2 days.
    Then our last watering month, Sep (80%) every 3 days.

    That is how I manually would water which involved changing the manual timer monthly. I've left rain out of the mix as my rain sensor used to account for that and now the Mini-8 has access to rainfall amounts to better adjust.

    When will the Mini-8 show the actual time/duration it intends to water?

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    RainMachine Nicholas

    > Currently, the program is showing the duration for the hottest, driest Summer day.

    Not exactly, it shows the duration on a "normal" summer day. There might be days when the weather is hotter/drier than your location baseline. You can see this baseline in web interface > Settings > Weather > ET.

    The rest of your logic is correct.

    The actual watering durations will be shown after you create a program and weather has been retrieved. It will nicely show those bar graphs with percentages.

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    GHammer

    Thank you for all the information!
    I'm going to enjoy not having to calculate and adjust.

     

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