THIS PROCEDURE MUST BE PERFORMED BY A QUALIFIED TECHNICIAN.
The four-digit LED will display various operating information as described below. Press and release the up arrow to view this data.
Operating Mode - Indicates Serenity’s current operating mode. C = Off-Peak (Charge) Time P = On-Peak (Control) Time A = Anticipated Peak Time NOTE: A bar illuminates on the lower portion of the display's second digit whenever the heating elements are energized.
Outdoor Temperature - “O”, followed by a number, indicates current outdoor temperature.
Heat Call Status - Indicates the current heat call status being received from the room thermostat. Refer to Low Voltage Electrical Connections - Room Thermostat for more information.
Brick Core Charge Level - “CL” (charge level) followed by a number, indicates the current percentage of heat stored in the brick core. “CL:_” represents a core temperature lower than the minimum core temperature and “CL: F” represents a full core charge level.
Targeted Brick Core Charge Level - “tL” (target level) followed by a number, indicates the current percentage of brick core charge being targeted by the Serenity. A display of “tL:_” indicates that Serenity will not maintain any heat in the brick core and “tL: F” indicates a full core charge target level.