HMI Control Panel

    Caution
  • Risk of Injury
  • Do not operate the HMI Control Panel until you are completely familiar with its function.

The A-Series Controller HMI (Human Machine Interface) control panel is used to operate the unit. The HMI has a display and twelve touch sensitive keys. The display is capable of showing both text and graphics.

HMI Control Panel Details

Keypad Details
1. On Key 6. Soft Key 3
2. Off Key 7. Defrost Key
3. Display Screen (5.7 “) 8. Cycle-Sentry Key
4. Soft Key 2 9. Accept/Enter Key
5. Soft Key 1 10. Navigation Keys (x4)

Hard Keys

There are four hard keys with dedicated functions.


ON Key: Used to turn the unit on.


Off Key: Used to turn the unit off.


Defrost Key: Press this key to initiate a Manual Defrost cycle.


CYCLE SENTRY Key: Used to select Cycle Sentry Mode or Continuous Mode operation if allowed by OptiSet Plus.

Soft Keys

There are three soft keys. The function of soft keys change depending on the operation being performed.


SOFT Keys: The three keys directly under the display are soft keys. The function of soft keys change depending on the operation being performed. If a soft key is active, its function will be shown in the display directly above the key.

Navigation Keys

There are four navigation keys that allow the operator to scroll up, down, left and right to view or make changes to a selected display.


UP Key: Used to scroll up through the display menu.


DOWN Key: Used to scroll down through the display menu.


LEFT Key: Used to scroll to the left of the display menu.


RIGHT Key: Used to scroll to the right of the display menu.

Accept/Enter Key

The center key is used to accept changes. It is also used to enter changes made by the operator.


ACCEPT/ENTER Key: Used to accept or enter changes.