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General| Model | T-680S Series |
|---|---|
| Fuel Type | Diesel |
| Cooling Capacity | Varies by model |
| Refrigeration Capacity | Varies by model |
| Power Source | Diesel Engine or Electric Standby |
| Compressor Type | Thermo King Scroll Compressor |
| Refrigerant | R-452A |
| Voltage | 12V DC (for unit control) |
| Weight | Varies by model |
| Dimensions (L x W x H) | Varies by model |
| Control System | Microprocessor-based control system |
| Type | Transport Refrigeration Unit |
| Temperature Range | -20°F to 75°F (-29°C to 24°C) |
General safety advice on preserving the environment and handling refrigerants.
Specific warnings regarding R-404A refrigerant and its handling.
General safety guidelines for operating and maintaining the unit.
Safety measures for units with automatic start/stop functionality.
Guidelines for safe battery installation and cable routing.
Information on the dangers associated with refrigerant handling.
Warnings and precautions related to electrical components.
Critical safety information for working with high voltage AC power.
Safety measures for working with low voltage control circuits.
Guidelines to prevent damage to electronic components.
Safety measures to avoid damaging electronic circuits during welding.
Immediate medical assistance steps for various emergencies.
Details on engine model, fuel type, oil capacity, and viscosity.
Specifications for belt tensioning and engine clutch engagement.
Information on refrigerant charge, compressor oil, and pressure settings.
Data on control system voltage, battery charging, and fuses.
Details on fuse sizes/functions and electrical component current draw/resistance.
Specifications for electric standby motors and optional heater strips.
Information on circuit breakers and extension cord sizing.
Overview of the unit's design, models, and features.
List of available options and description of the engine and its cooling system.
Details on the centrifugal clutch and scroll compressors.
Description of the standard HMI control panel.
Information on diagnostic and optional premium HMI panels.
Explanation of the automatic start/stop system and defrost operation.
Description of the optional data acquisition system.
Details on wireless sensor system and electric standby operation.
Components located in the engine compartment and unit protection mechanisms.
Function of preheat buzzer and coolant temperature sensor.
Description of key parts within the refrigeration system.
Explanation of Electronic Throttling Valve and pressure transducers.
Information on suction transducer and refrigeration system diagrams.
Explanation of the refrigerant flow and component status in Cool Mode.
Explanation of the refrigerant flow and component status in Purge Mode.
Explanation of the refrigerant flow and component status in Heat/Defrost Mode.
Description of the controller, its features, and display functions.
Overview of the controller's capabilities and display elements.
Explanation of the information presented on the HMI display.
Explanation of the control panel's buttons, LEDs, and their functions.
Detailed explanation of the primary and secondary uses of each key.
How to select CYCLE-SENTRY, HIGH SPEED LOCK-OUT, and DEFROST modes.
Steps for initiating and performing unit self-checks.
Procedures for powering the unit on and off.
Navigating the standard display and changing the setpoint.
How the diesel engine starts automatically.
Procedures for starting the electric motor and switching between diesel and electric modes.
How to manually start a defrost cycle.
How to switch between operating modes.
How to enable or disable high speed operation.
How defrost cycles end and how alarms are indicated.
Procedures for viewing and clearing alarms.
Requirements and steps for performing Pretrip Tests.
Factors to consider and how to start a Pretrip Test.
Interpreting test results and adjusting display brightness.
How to display the control panel's software version.
Description of the premium controller and its features.
Overview of the premium panel's capabilities and display elements.
Explanation of the panel's keys and how information is displayed.
Description of the dedicated and multi-purpose keys.
Procedures for powering the unit on and off.
How to change the unit's display language.
Steps for adjusting the desired temperature setpoint.
How the diesel engine starts automatically.
How the unit switches between power sources.
Procedures for starting the electric motor.
How to manually start a defrost cycle.
How to enable or disable high speed operation.
How to switch between operating modes.
How to view various unit gauges.
How to view readings from temperature sensors.
How to navigate and access the main menu options.
Description of available options in the main menu.
How to select and change the display language.
Description of different alarm categories and how they are indicated.
How alarm codes behave during mode changes.
Procedures for clearing various types of alarms.
Procedures for viewing and clearing alarms.
Key information about alarms and the data logger.
How to view unit operating hours.
Explanation of different types of hourmeters.
How to select operating modes and lock the keypad.
How to activate sleep mode for unit preservation.
How to switch between operating modes.
How to activate and configure sleep mode.
How to set an automatic wake-up time for sleep mode.
How to initiate a Pretrip Test.
Requirements and steps for performing Pretrip Tests.
How to manually select operating modes and switch power sources.
How to adjust the display brightness.
How to view the current time and date.
Procedures for testing and troubleshooting the alternator.
Identifying alternators and the function of fuse F4.
Recommended test equipment and procedures for load testing.
Diagnostic steps before replacing alternator or regulator.
Procedures for battery inspection and alternator field current testing.
Information on fuse functions and base controller LEDs.
Description of smart FETs and the SR-3 microprocessor controller.
Description and function of the flywheel sensor.
Procedures for testing the flywheel sensor.
Information on glow plug function and testing.
Inspection of unit wiring and details on AC components.
Testing contactors, evaporator heaters, and checking fan rotation.
How the phase select module functions for different voltage inputs.
Details on module connections and output signals.
Troubleshooting steps for the phase select module.
Pin assignments for the phase select module.
Steps for removing and installing the phase select module.
Information on the overload relay and its replacement procedure.
Details on the extended maintenance interval package.
Information on the engine's oil pressure and lubrication.
Procedures for changing the oil filter and air cleaner element.
Description and function of the crankcase breather system.
Overview of the engine's cooling system.
Information on the extended life coolant and its maintenance.
Guidelines for periodic inspection and changing of antifreeze.
Step-by-step instructions for draining and refilling the cooling system.
Procedures for removing trapped air from the cooling system.
Method for filling the cooling system using a vacuum.
Alternative method for filling the cooling system.
Procedures for removing air from newer cooling systems.
How to check coolant and the standard filling process.
Information on the thermostat and testing the coolant level switch.
Description and testing of the coolant level switch in newer systems.
Overview of fuel system components, operation, and upkeep.
Overview of fuel system components, operation, and upkeep.
Procedures for removing air from the fuel system.
Steps for removing water from the fuel tank.
How to replace the fuel filter.
Information on the electric fuel pump.
Procedure for setting the engine's injection pump timing.
Steps for removing and installing the injection pump.
How to align the injection pump gear during installation.
Information on the fuel limit screw and the fuel solenoid.
Procedures for checking the operation of the fuel solenoid.
Steps for replacing the fuel solenoid.
How to adjust the engine's low and high speeds.
Step-by-step guides for adjusting engine speeds.
Procedure for checking and adjusting valve clearance.
Description of the engine mounting system components.
How to adjust the engine's restraining mount.
Overview of the belts used to transfer power in the unit.
Diagram showing the routing of various belts.
Steps for replacing or adjusting the jackshaft belt.
How to adjust the water pump belt tension.
How to adjust the water pump belt tension.
Critical steps for preparing and charging the system.
Identification of parts on the evacuation station and their roles.
How to operate the unit in evacuation mode.
Procedures for preparing and verifying the evacuation system.
Steps for evacuating the refrigeration system.
Detailed steps for evacuating the system and checking for leaks.
How to charge the system with refrigerant.
Steps for safely removing refrigerant gauges.
Methods for detecting leaks and verifying refrigerant levels.
Procedures for checking and adding compressor oil.
General checks for system pressures and refrigerant flow.
Steps for pumping down the low side of the system.
Details on R404A refrigerant, unit identification, and availability.
Information on compressor oil compatibility and recommended equipment.
Proper use of gauge sets and refrigerant recovery procedures.
Diagrams showing the placement of refrigeration components.
Diagram illustrating components around the condenser.
Diagram illustrating components around the evaporator.
Detailed steps for replacing various refrigeration system parts.
Procedures for replacing the accumulator and compressor.
Diagram identifying the parts of the compressor.
Steps for replacing the compressor shaft seal.
Procedures for installing bellows and seals.
Procedures for replacing the oil filter and changing the compressor oil.
How to test and replace the compressor temperature sensor.
Procedures for testing condenser and purge check valves.
How to test the condenser inlet solenoid.
Steps for replacing the condenser or radiator coil.
Procedures for replacing the dehydrator.
How to test and replace the discharge pressure regulator.
Procedures for testing and replacing the discharge pressure transducer.
How to test and replace the discharge strainer.
How to test the electronic throttling valve.
Procedures for replacing the ETV.
Steps for installing a service kit for the ETV.
How to reassemble the ETV piston and motor assembly.
Steps for assembling the ETV.
How to align ETV components during assembly.
Steps for installing the complete ETV assembly.
Procedures for replacing the evaporator coil.
Steps for replacing the expansion valve.
Procedures for replacing the heat exchanger.
How to test and replace the HPCO switch.
Procedures for replacing the high pressure relief valve.
How to test the hot gas solenoid.
Procedures for replacing in-line check valves.
How to test and replace the LIS.
How to test the purge valve.
How to test the receiver tank pressure check valve.
Procedures for replacing the receiver tank.
Steps for replacing solenoid valves.
How to test and replace the suction pressure transducer.
Description of the centrifugal clutch and its engagement speed.
Guidelines for checking the condition and operation of the centrifugal clutch.
Procedures for visually inspecting and spin-testing the clutch.
How to check the condition and type of drive belts.
Further checks for clutch operation and slip detection.
List of required tools and type of grease.
Step-by-step instructions for disassembling the clutch.
Procedures for removing and installing clutch bushings.
Steps for reassembling the clutch with new bearings and seals.
Procedures for inspecting and tightening mounting hardware.
How to inspect the unit for loose parts or damage.
Guidelines for cleaning condenser, evaporator, and radiator coils.
Recommendations for cleaning micro-channel coils.
How to position fans for optimal airflow.
Information on adjusting and inspecting the defrost damper.
Description of the fanshaft assembly.
Steps for taking apart the fanshaft assembly.
Procedures for removing bearings and oil seals.
Steps for putting the fanshaft assembly back together.
Description of the jackshaft assembly.
Steps for taking apart the jackshaft assembly.
Steps for putting the jackshaft assembly back together.
Troubleshooting for engine not cranking, failing to start, or stopping.
Diagnosing and resolving problems with engine performance.
Troubleshooting for engine running hot and low oil pressure.
Troubleshooting no display or electric motor not running.
Diagnosing contact chatter and low voltage problems.
Troubleshooting battery not recharging.
A comprehensive table correlating symptoms with potential causes.
