Special Programming

  1. With POWER switch off, press and hold both the UP and DOWN buttons, and then turn the POWER switch on until “SP” displays. Release the UP and DOWN buttons, and “°F” or “°C” displays.

  2. Press the UP or DOWN buttons to toggle from “°F” to “°C”, or “°C” (Celsius) to “°F” (Fahrenheit).

  3. Press the SET button, and “CAL” displays. Press and hold TEMP button, and press the UP and DOWN buttons to match the display with the actual temperature.

  4. Press the SET button, and “CPU” displays. Press and hold TEMP button to view the CPU (control PCB) temperature.

  5. Press the SET button, and “OutPutS” displays. Press the TEMP button to turn the relays, display and heaters, OFF and ON.

  6. Press the SET button, and “In-” displays. Press and hold either the UP or DOWN button until “In- SYS” displays. This programs factory settings back into the controls.

  7. 7. Press the SET button. If “C=y” shows in the display, the time of day shows in the display during normal operation. If “C=n” displays, “ON” displays during normal operation. Press the UP and DOWN buttons to toggle from one to the other.