Premium Leisure Swimmer’s Edge 18 Owner's Manual page 41

Freeze Protection
If the temperature sensor detects a temperature drop to 44 F (6.7 C) within the
heater, then the pump automatically activates to provide freeze protection. The
equipment stays on until four (4) minutes after the sensors detect that the spa
water temperature has risen to 45 F (7.2 C) or higher. In colder climates, an
optional additional freeze sensor may be added to protect against freeze
condition that may not be sensed by the standard sensors. Auxiliary Freeze
sensor protection acts similarly except with the temperature thresholds
determined by the switch and without a four (4) minute delay in turnoff. See your
dealer for details.
Locking the Panel
Press "Time", "Jets 1" then "Warm Arrow Up" buttons within three (3) seconds.
When locked, the "PL" indicator light will light. All buttons are frozen except the
"Time" button. To unlock the panel, press "Time", "Jets 1" then "Cool Arrow
Down."
Locking the Temperature Setting
Press "Warm Arrow Up" or "Cool Arrow Down" then "Time," "Jets 1," and "Warm
Arrow Up" buttons within three (3) seconds to activate lock. When locked, the
"TL" indicator light will light when the set temperature is locked. To unlock the set
temperature, press "Warm Arrow Up" or "Cool Arrow Down" then "Time", "Jets 1,"
and "Cool Arrow Down."
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