Sterling 882.00295.00 Dryer Status Screen Startup Screen, Disconnect Switch, Control Power Switch

4-2 Identifying Control Panel Components for the AP-1 Optional Controller

Disconnect Switch

The Disconnect Switch is located in the front upper right hand corner of the control enclosure. It allows the user to disconnect power to the dryer for emergency shutdown, service or long periods of inactivity.

Control Power Switch

The Control Power Switch is located on the front of the control enclosure below the touch screen. The switch energizes the control circuit (PLC, touch screen, relays, etc.) within the control enclosure.

Touch Screen

The Touch Screen is located in the center of the control enclosure. Once the disconnect is on and the control circuit is energized, the machine can be started and parameters can be adjusted through the touch screen.

Alarm Horn & Light

The Alarm Horn and the Alarm Light are located on the top of the enclosure. These devices give an audible and visual indication that there is a malfunction with the system.

4-3 Process Air Temperature and Conveying Process Controller

AEC dryers equipped with the “AP-1” control package use a PLC with a touch screen interface to control the operation of the dryer system. This section of the manual will address those parameters that allow the user to optimize the drying/conveying system for specific applications.

(Dryer Status Screen)

(Startup Screen)

The screen shown above provides the operator with the following information:

•Dryer Model Number

•Temperature units (In Celsius or Fahrenheit)

Large Dehumidifying Dryers Controls 35