Changing the Setpoint in Multi-Temperature Units

For the Main Load Compartment of a Multi-Temperature Unit

  1. From the Standard Display, press the Select key twice to choose the setpoint display. The setpoint icon SP and the current setpoint temperature appear. See (Entering the Setpoint Temperature)

  2. Press the Up Arrow key or Down Arrow key to select a higher or lower setpoint. Each time an arrow key is pressed, the temperature changes by 1 degree.

  3. Press and release the ENTER key to enter the setpoint.

    Note If the Select or Enter key is not pressed within 20 seconds to select a new setpoint temperature, the unit continues to operate at the original Setpoint temperature.

For the Remote Load Compartment of a Multi-Temperature Unit

Setpoint Display on a Multi-Temperature Unit

  1. From the Standard Display, press the Select key twice to choose the setpoint display. The setpoint icon SP and the current setpoint temperature appear.

  2. From the Setpoint Display, press and release the SELECT key to go to the remote compartment temperature setting screen. The current setpoint temperature for the remote compartment and the letters SP2 appear on the display

  3. Press the Up Arrow key or Down Arrow key to select a higher or lower setpoint. Each time an arrow key is pressed, the temperature changes by 1 degree.

  4. Press and release the ENTER key to enter the setpoint, or press and release the SELECT key to enter the setpoint and return to the standard display.

    Note If the Select or Enter key is not pressed within 20 seconds to select a new setpoint temperature, the unit continues to operate at the original Setpoint temperature.

For the Compartment Selection (544.xx only)

  1. From the Standard Display, press the Select key twice to choose the setpoint display. The setpoint icon SP and the current setpoint temperature appear.

  2. From the Setpoint Display, press and release the SELECT key to go to the remote compartment temperature setting screen. The current setpoint temperature for the remote compartment and the letters SP2 appear on the display

  3. press and release the SELECT key to move to the CSE (Compartment Selection) screen.

  4. Press the key UP or DOWN to change options between the four different options available:

    1. 1-2: This is the standard multi-temperature setting where both compartments (zones) are active. This option shows the temperature in both compartments (zones) on the Standard Display.

      Standard Multi-Temperature Compartment Selection

      The Standard Display, showing the temperature in both compartments

    2. C1: Compartment 1 is active while Compartment 2 is disabled. Only the temperature for compartment 1 appears on the screen, while no reading is shown for compartment 2.

      C1 Multi-Temperature Compartment Selection

      The Standard Display, showing the temperature only in compartment 1

    3. C2: Compartment 2 is active while Compartment 1 is disabled. Only the temperature for compartment 2 appears on the screen, while no reading is shown for compartment 1.

      C2 Multi-Temperature Compartment Selection

      The Standard Display, showing the temperature only in compartment 2

    4. 1-1: Compartments 1 and 2 are combined to operate as a single temperature unit; only the temperature for Compartment 1 is displayed. The screen is shown like that of a single temperature unit but with the triangle symbol activated to indicate that it is actually a Multi-Temperature unit operating as a single temperature unit.

      1 - 1 multi-temperature compartment selection

      The Standard Display, showing the temperature for Compartment 1 and the Combined Compartment Icon

  5. Press and release the ENTER key to select an option or press and release the SELECT key to select an option and return to the Standard Display.