Controlling Mode

To change the temperature and fan control of the unit. Select from OPTIMIZED or NON-OPTIMIZED.

  • Optimized: The default mode for the units for temperature and fan control.

  • Non-Optimized: The default mode for the units for temperature and fan control.

    Note Enter setpoint temperature before selecting the Non-Optimized mode. The controller automatically turns the Non-Optimized mode off when setpoint is changed.

Bulb mode allows the system user to select one of three evaporator fan operations as well as the defrost termination temperature.

  • Bulb mode HIGH: Evaporator fan high speed only.

  • Bulb mode LOW: Evaporator fan low speed only.

  • Bulb mode CYCLE: Evaporator fan cycle - fans will cycle between low and high speed every 60 minutes, starting with the low speed fan operation first for 60 minutes.