Table of Contents
Related Manuals for Thermo King V-400
Summarization of Contents
Direct Smart Reefer Microprocessor Control System Software
Direct Drive Truck Units (ESA)
Details the Direct Drive Truck Units (ESA) covered by the manual, including specific models.
Diagnostic Manual
This manual provides diagnostic procedures for the Direct Smart Reefer Microprocessor Control System.
Section 1 - Safety Precautions
General Practices
Provides essential safety guidelines for operating and maintaining the equipment.
Refrigerant Safety
Details safety precautions and first aid for handling refrigerants and potential exposure.
Electrical Hazards
Outlines safety procedures and precautions related to high and low voltage electrical systems.
Microprocessor Notes
Provides important notes and precautions for working with microprocessor-based systems.
Section 2 - System Description
General Description
Provides a general overview of the Thermo King Direct Smart Reefer Microprocessor Control System.
Electronic Control System Components
Describes the main components of the electronic control system, including PCBs and connectors.
System Fuses
Details the fuses used to protect relays and other DSR µP Controller electrical components.
System Relays
Lists and describes the function of system relays based on unit type and location.
System Inputs
Details the various system inputs for single and bi-temperature configurations.
System Outputs
Details the system outputs, including compressor clutches, fans, and solenoids.
External Devices
Explains external devices like sensors and switches that provide data to the ECM microprocessor.
Schematics and Wiring Diagrams
Provides a list of schematic diagrams and wiring diagrams for various unit models.
Section 3 - Software Description
Software Operation
Explains how the microprocessor software controls unit operations based on input conditions.
Unit Operation
Describes the automatic operation of the unit in Cool, Null, and Heat modes, including defrost cycles.
Menu Screens
Details the four main menu groups and the screens within each for the In-cab Control Box.
Programmable Features
Covers programmable features that allow users to configure units for performance and economy.
Section 4 - Operation
In-cab Control Box Features
Describes the In-cab Control Box, including its keypad and display functions.
Understanding the Display
Explains how to interpret the Standard Display, including icons and temperature readings.
The Standard Display
Details the Standard Display's appearance during unit startup and normal operation.
Manual Start After an Alarm
Procedures for restarting the unit after an alarm condition has been corrected.
Auto Start After an Alarm
Describes how the unit automatically restarts after an alarm condition is cleared.
Changing the Setpoint
Provides instructions for adjusting the setpoint temperature for single and bi-temperature units.
Initiating a Manual Defrost Cycle
Details the steps required to manually initiate a defrost cycle for the unit.
Checking the Software Revision
Explains how to check the software revision number displayed on the In-cab Control Box.
Viewing and Clearing Alarm Codes
Guides users on how to view and clear detected alarm codes from the system.
Section 5 - Diagnostics
DSR µP Controller Diagnostic Hints
Offers helpful hints for technicians when performing diagnostics on the DSR µP Controller.
Part 1 - Corrective Actions as a Result of Alarm Codes
Provides corrective actions to resolve issues identified by specific alarm codes.
Part 2 - Corrective Actions as a Result of Other Symptoms
Suggests corrective actions for unit problems that do not generate specific alarm codes.
Section 6 - Service Procedures
MICROPROCESSOR PROCEDURES
Lists procedures related to the microprocessor, including setup and ESD precautions.
PRINTED CIRCUIT BOARD PROCEDURES
Details procedures for the removal and replacement of printed circuit boards.
MISCELLANEOUS PROCEDURES
Covers various service procedures, including sensor tests and harness continuity checks.
Section 7 - DSR µP Controller Information
DSR µP Controller Software Features and Interchange
Identifies software versions and their interchangeability for DSR µP Controllers.
Section 8 - Schematics and Wiring Diagrams
Diagram, Schematic
Lists schematic diagrams available for various unit models using the DSR µP Controller.
Diagram, Wiring
Lists wiring diagrams available for various unit models using the DSR µP Controller.
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