HCH 93X CDT Control Special Programming

Changing from Celsius to Fahrenheit

  1. Turn the power switch to OFF.

  2. Press and hold the SET/TEMP button while turning the power switch to ON.

  3. Release the SET/TEMP button. “F” or “C” displays in the timer display, and “L” or “U” displays in timer 2 display.

  4. To change from Celsius (C), to Fahrenheit (F), or vice versa, depress and release timer 1 button.

    This toggles the display from “C” to “F”, or “F” to “C”.

  5. Turn unit off, then back on again to normal operation.

Locking or Unlocking Controls

The controls can be locked to prevent anyone from changing the times and temperature. The timers and temperatures cannot be changed until the controls are unlocked.

  1. Turn the power switch to OFF.

  2. Press and hold the SET/TEMP button while turning the power switch to ON.

  3. Release the SET/TEMP button. “F” or “C” displays in the timer display, and “L” or “U” displays in timer 2 display.

  4. Press and release timer 2 button. The display toggles from “L” to “U”.

  5. Turn unit off, then back on to normal operation.

Initializing the Control Board

The control can be reset to factory preset times and temperatures.

  1. Turn the power switch to OFF.

  2. Press and hold the SET/TEMP button while turning the power switch to ON.

  3. Release the SET/TEMP button. “F” or “C” displays in the timer display, and “L” or “U” displays in timer 2 display.

  4. Press and release timer 3 button. The control reverts to factory settings.

  5. Turn unit off, then back on again to normal operation.