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Inspection of components at the rear of the unit, including evaporator coil and fan blade.
Inspect the electrical control box interior, wiring, contacts, and circuit breakers.
Examine condenser motor and fan blade for cracks, wear, damage, and proper operation.
Inspect condenser coil for leaks, fin damage, corrosion, and clean as needed.
Examine the flexible condensate defrost drain tube for damage and blockages.
Examine external valves, coils, sight glasses, and pressure transducers for damage.
Inspect filter/drier for excessive corrosion or physical damage.
Examine water-cooled condenser for scaling, corrosion, damage, and connections.
Inspect power cables for secure attachment, damage, wear, and plug integrity.
Check evaporator motor mounting brackets and access panel seals for proper torque and condition.
Examine wires and wire harnesses for proper location and condition.
Ensure all instructional labels and placards are in place and legible.
Verify proper rotation of condenser and evaporator fans.
Initiate DataCORDER Trip Start procedure as per unit instruction label.
Initiate the Auto 2 PTI (Pre-Trip Inspection) test and address faults.
Verify correct TXV and EEV superheat settings according to manual procedures.
Monitor filter drier temperature difference for restrictions or frosting.
Check moisture/liquid indicator color for signs of moisture in the system.
Inspect water-cooled condenser fittings and record pressure switch values.
Download DataCORDER information and print trip report for records.
Inspection of components at the rear of the unit, including evaporator coil and fan blade.
Inspect the electrical control box interior, wiring, contacts, and circuit breakers.
Examine condenser motor and fan blade for cracks, wear, damage, and proper operation.
Inspect condenser coil for leaks, fin damage, corrosion, and clean as needed.
Examine the flexible condensate defrost drain tube for damage and blockages.
Examine external valves, coils, sight glasses, and pressure transducers for damage.
Inspect filter/drier for excessive corrosion or physical damage.
Examine water-cooled condenser for scaling, corrosion, damage, and connections.
Inspect power cables for secure attachment, damage, wear, and plug integrity.
Check evaporator motor mounting brackets and access panel seals for proper torque and condition.
Examine wires and wire harnesses for proper location and condition.
Ensure all instructional labels and placards are in place and legible.
Verify proper rotation of condenser and evaporator fans.
Initiate DataCORDER Trip Start procedure as per unit instruction label.
Initiate the Auto 2 PTI (Pre-Trip Inspection) test and address faults.
Verify correct TXV and EEV superheat settings according to manual procedures.
Monitor filter drier temperature difference for restrictions or frosting.
Check moisture/liquid indicator color for signs of moisture in the system.
Inspect water-cooled condenser fittings and record pressure switch values.
Download DataCORDER information and print trip report for records.
This document outlines the annual inspection procedures for Carrier Transicold ThinLINE 69NT40-541 and PrimeLINE 69NT40-561 container refrigeration units. The primary function of these units is to provide container refrigeration, ensuring the preservation of cargo during transport. The manual serves as a comprehensive guide for owners and operators to maximize the operational life of their equipment through regular maintenance.
The Carrier Transicold ThinLINE and PrimeLINE container refrigeration units are designed to maintain precise temperature control within shipping containers. They utilize a refrigeration cycle to cool the container's interior, making them essential for transporting perishable goods. The units are equipped with various sensors to monitor internal and external conditions, ensuring optimal performance and cargo safety. Key components include an evaporator coil for heat absorption, a condenser coil for heat rejection, a compressor to circulate refrigerant, and expansion valves (either Thermostatic Expansion Valve - TXV or Electronic Expansion Valve - EEV) to control refrigerant flow. The system also incorporates defrosting mechanisms, including heaters and drain lines, to prevent ice buildup on the evaporator coil, which could impede airflow and reduce efficiency. Electrical control boxes house the necessary circuitry and controllers, such as the MicroLink controller, to manage the unit's operations, including temperature set points, fan speeds, and diagnostic functions.
The units are designed for ease of operation and monitoring. Operators can set the desired temperature using the control panel, and the MicroLink controller manages the refrigeration cycle to maintain this set point. For PrimeLINE units, operating pressures can be viewed via specific codes (code 12 for Suction Pressure and code 14 for Discharge Pressure), allowing for quick assessment of system performance. The units are also equipped with a DataCORDER, which records trip data, including temperature and PTI (Pre-Trip Inspection) information. This data can be downloaded using a DataBANK downloading card, providing a permanent record of the unit's performance during a trip. The system includes various sensors, such as return air, supply air, temperature recorder, humidity, and evaporator temperature sensors, which provide critical data for monitoring and control. The design allows for remote monitoring and interrogation through dedicated sockets, enhancing operational flexibility. The units are designed to operate with R-134a refrigerant, a common choice in container refrigeration.
The annual inspection outlined in this manual focuses heavily on preventive maintenance to ensure the longevity and reliability of the refrigeration units.
This comprehensive maintenance regimen ensures that the ThinLINE and PrimeLINE units operate efficiently and reliably, minimizing downtime and extending their service life.
General| Type | Refrigerator |
|---|---|
| Model | 69NT40-541 |
| Brand | Carrier |
| Series | ThinLINE |
| Capacity | Not Applicable |
| Defrost Type | Not Applicable |
| Number of Doors | Not Applicable |
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