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Procedure for checking the chiller load before turning on the SAGAs

  1. Ensure the S21 LCS cooling system has sufficient capacity for the SAGAs.
    1. The cooling system has sufficient capacity if the current usage is at or below 29 kW.
    2. Open the archiver (FACETHOME→Archive Viewer) and load (File→Open) ‘S21_LCS_SAGAs_July_2021.xml’ file to load the correct PVs for the S21 LCS chiller.
    3. Click the plot button on the middle right of the panel.
  2. The black line is the ‘chiller load’ in kW. You may have to adjust the range for chiller load using the min/max buttons above the plot. The black line should be below 29 kW when the SAGAs are off.
  3. The red line (the input water temp) should be < 77 degrees Fahrenheit. It is usually at 63F or below.


How to check that the SAGAs are happy

If the red line is below 77 degrees F and the black line is below 17 kW, then the SAGAs are happy.

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