A-Series Controller Control System

Thermo King’s A-Series Controller is a microprocessor control system designed exclusively for a transport refrigeration system. The A-Series Controller’s integrated HMI (Human Machine Interface) control panel allows the operator to perform the following functions:

  • Power Up and Power Down Unit

  • Display and Change Language

  • Display and Change Setpoint

  • Display and Initiate Defrost

  • Display System Status, Refrigeration, Power and Control

  • Display and Clear Alarms

The unit will operate in either Cycle-Sentry or Continuous Run mode of operation as selected by the operator using the HMI Control Panel.

See “Operating Instructions” for more information about the A-Series Controller.

Parent topic: Unit Description

CYCLE-SENTRY™ Stop-Start Operation

When CYCLE-SENTRY Mode is selected the unit will start and stop automatically to maintain setpoint and the battery charged.

Continuous Run Operation

When Continuous Mode is selected, the unit starts automatically and runs continuously to maintain setpoint and provide constant airflow.