US Water Systems Synergy 9000 Installation Manual page 35

9. Fixed Reserve Capacity (Display Code RC)
Press the Extra Cycle button. Use this display to set the Reserve Capacity. This
setting specified a fixed volume that will be held as a reserve. The reserve capacity
cannot be set to a value greater than one half of the calculated system capacity.
The reserve capacity is a fixed volume and does not change if the unit capacity or
feedwater hardness is changed. This option setting is identified by "RC" in the upper
left hand corner of the screen. Use the Up and Down buttons to adjust the value as
needed.
Range: 0 - Half the calculated capacity
NOTE: There is no need to set a reserve capacity on a twin alternating system.
Leave the RC set at 0.
10. Day Override (Display Code DO)
Press the Extra Cycle button. Use this display to set the Day Override. This setting
specifies the maximum number of days between regeneration cycles. If the system is
set to a timer-type control, the day override setting determines how often the system
will regenerate. A metered system will regenerate regardless of usage if the days
since last regeneration cycle equal the day override setting. Setting the day override
value to "OFF" disables this function. This option setting is identified by "DO" in the
upper left hand corner of the screen. Use the Up and Down buttons to adjust the
value as needed.
Range: Off - 99 Days
This will most likely be set at 14 days unless you take vacations lasting more than
two weeks. Most households will eclipse the gallon capacity prior to the override
engaging. However, if you are gone for two weeks, it is a good idea to set this at 10
days so it regenerates and is fresh when you return. Water standing in the system for
longer than 14 days can become stagnant.
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