Std,  St,  or  STANDARD  Message

The Spa is Operating in the "Standard" (Std or St) Heating Mode.

Between Filter Cycles, the Water Temperature is Sampled every 30 Minutes.  The Heater and Pump will Operate Any time the Thermostat Demands Heat. The Water Temperature is Always maintained within 1°F (.5°C) of Set Temperature.  Other Heating Modes are Economy, Standard in Economy, and Sleep Modes.

Note: On the Panels that Display the "Std" or "St" Messages, the Message will Only be Displayed for a Few Seconds After the Heating Mode is Changed to Standard from a different Heating Mode.

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