532. Support: Balboa Controller VS510SZ Mode Settings for Standard, Economy and Sleep.

Mode is change by pressing the warm or cool button, and then pressing the mode button. Do not press the buttons at the same time. It's one button, release, and then the other button. Standard Mode (Std): is programmed to maintain the desired temperature. Note: that the last measure spa temperature displayed is current only when the pump has been running for at least 2 minutes. St or Std will be displayed momentarily when you switch into Standard mode. Economy Mode(Ecn): Heats the spa to the set temperature only during filter cycles. Ec/Ecn will display solid when temperature is not current, and will alternate with temperature when temperature is current. Sleep Mode(SLP): Heats the spa to within 20'F/10'C of the set temperature only during filter cycles. SL or SLP will display solid when temperature is not current, and will alternate with temperature when temperature is current.