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Carrier TRANSICOLD PrimeLINE 69NT40-571 User Manual

Carrier TRANSICOLD PrimeLINE 69NT40-571
194 pages
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Container Refrigeration
OPERATIONS AND SERVICE
MANUAL
For
PrimeLINE
69NT40-571-100 to 199
Container Refrigeration Units
T-372 Rev E

Table of Contents

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Carrier TRANSICOLD PrimeLINE 69NT40-571 Specifications

General IconGeneral
BrandCarrier TRANSICOLD
ModelPrimeLINE 69NT40-571
CategoryAir Conditioner
LanguageEnglish

Summary

Section 1: Safety Summary

General Safety Notices

General safety notices supplement specific warnings and cautions for operation and maintenance.

Operating Precautions

Precautions to follow during operation, including wearing safety glasses and ensuring power is off.

Maintenance Precautions

Precautions for maintenance, including avoiding unannounced starting and securing power.

Specific Hazard Statements

Explanation of hazard levels (DANGER, WARNING, CAUTION) and their consequences.

Section 2: Introduction

Refrigerant

Details on R-134a and R-513A refrigerant compatibility and conversion.

Feature Descriptions

Description of key unit features like control box, compressor, and controller.

Option Descriptions

Descriptions of optional equipment available for the base unit.

Section 3: Description

Refrigeration Unit - Front Section

Overview of accessible components from the front of the refrigeration unit.

Compressor Section

Description of the compressor and its related components.

Air-Cooled Condenser Section

Details on the air-cooled condenser, its components, and operation.

Evaporator Section

Description of the evaporator section and its components.

Control Box Section

Description of the control box contents and components.

Refrigeration System Data

Table containing essential refrigeration system specifications.

Electrical Data

Table detailing electrical specifications for unit components.

Safety and Protective Devices

Overview of safety devices and their settings that protect the unit.

Refrigeration Circuit

Explanation of the refrigeration circuit operation in different modes.

Section 4: Microprocessor

Temperature Control Microprocessor System

Description of the Micro-Link 5 microprocessor system.

Controller Software

Details on the controller's configuration and operational software.

Modes of Operation

General operation sequences for cooling, heating, and defrost.

Controller Alarms

Explanation of the alarm system and how alarms are generated.

Pre-Trip Inspection

Procedures for performing pre-trip inspections and tests.

Controller Communications

Methods for connecting to the controller via USB or wireless.

DataCORDER

Description of the DataCORDER system and its functions.

Section 5: Operation

Inspecting the Unit

Pre-operation checks to ensure the unit is in proper condition.

Connecting Power

Instructions for connecting the unit to power sources.

Starting and Stopping Instructions

Procedures for safely starting and stopping the refrigeration unit.

Start-Up Inspection

Checks to perform after starting the unit to ensure proper operation.

Performing a Pre-Trip

Guide to initiating and performing pre-trip inspections.

Probe Diagnostics

Procedure for checking temperature probe accuracy and agreement.

Enabling Operating Modes

Instructions for enabling various operating modes like QUEST and FuelWise.

Section 6: Troubleshooting

Unit will not Start or Starts then Stops

Troubleshooting steps for units that fail to start or stop intermittently.

Unit Operates Long or Continuously in Cooling

Troubleshooting for units that run excessively during cooling.

Unit Runs but has Insufficient Cooling

Steps to diagnose and resolve insufficient cooling issues.

Unit will not Heat or has Insufficient Heating

Troubleshooting for units failing to heat or providing insufficient heat.

Unit will not Terminate Heating

Steps to address units that fail to stop heating.

Unit will not Defrost Properly

Troubleshooting for units that do not defrost correctly.

Abnormal Pressures

Diagnosing issues related to abnormal system pressures.

Abnormal Noise or Vibrations

Troubleshooting guide for unexpected noises or vibrations.

Microprocessor Malfunction

Troubleshooting steps for microprocessor control issues.

No Evaporator Air Flow or Restricted Air Flow

Diagnosing and resolving issues with evaporator air flow.

Electronic Expansion Valve Malfunction

Troubleshooting steps for EEV malfunctions.

Autotransformer Malfunction

Troubleshooting steps for autotransformer issues.

Water-Cooled Condenser or Water Pressure Switch

Troubleshooting for water-cooled condenser and pressure switch problems.

Compressor Operating in Reverse

Troubleshooting steps for compressor operating in reverse.

Abnormal Temperatures

Diagnosing and resolving abnormal temperature readings.

Abnormal Currents

Troubleshooting abnormal current readings.

Section 7: Service

Manifold Gauge Set

Description and use of the manifold gauge set for system service.

Service Connections

Information on accessing service valves and making connections.

Pump Down the Unit

Procedures for pumping down the unit before service.

Refrigerant Leak Checking

Methods for checking the system for refrigerant leaks.

Evacuation and Dehydration

Procedures for evacuating and dehydrating the refrigeration system.

Refrigerant Charge

Procedures for checking and adding refrigerant charge.

Converting to R-513A Refrigerant

Steps for converting the unit to use R-513A refrigerant.

Compressor

Service information for the compressor, including removal and replacement.

High Pressure Switch

Procedures for checking and replacing the high pressure switch.

Condenser Coil

Service information for the condenser coil, including cleaning and replacement.

Installing the Condenser Coil

Step-by-step guide for installing the condenser coil assembly.

Condenser Fan and Fan Motor

Service information for the condenser fan and motor.

Water-Cooled Condenser Cleaning

Procedures for cleaning the water-cooled condenser.

Filter Drier

Procedures for checking and replacing the filter drier.

Evaporator Coil

Service information for the evaporator coil, including replacement.

Evaporator Heaters

Information on evaporator heaters and testing procedures.

Megger Testing the Heaters

Procedure for testing heater insulation resistance.

Evaporator Fan and Motor Assembly

Service information for the evaporator fan and motor assembly.

Replacing the Evaporator Fan Assembly

Steps for removing and replacing the evaporator fan assembly.

Evaporator Section Cleaning

Procedures for cleaning the evaporator section.

Electronic Expansion Valve (EEV)

Service information for the EEV, including removal and installation.

Economizer Solenoid Valve (ESV)

Service information for the ESV, including removal and installation.

Economizer Expansion Valve (EXV)

Service information for the EXV, including removal and installation.

Troubleshooting P6-7 (DUV)

Troubleshooting steps for the Digital Unloader Valve (DUV).

Digital Unloader Valve (DUV)

Service information for the DUV, including removal.

Valve Override Controls

Description of valve override controls for troubleshooting.

Controller Service Procedures

Procedures for controller service, handling, and replacement.

Controller Programming Procedures

Procedures for programming the controller via USB.

Temperature Sensor Service

Service procedures for various temperature sensors.

Humidity Sensor (HS)

Service information for the humidity sensor, including checking operation.

Vent Position Sensor (VPS)

Information on the vent position sensor and its calibration.

Cargo Sensor

Information on the optional cargo sensor and its operational values.

EverFRESH® Service

Reference to procedures for EverFRESH controlled atmosphere system.

Section 8: Electrical Schematic and Wiring Diagrams

Legend - Standard Unit

List of symbols and descriptions for the standard unit wiring diagram.

Schematic Diagram - Standard Unit

Electrical schematic diagram for the standard unit.

Wiring Diagram (Sheet 1) - Standard Unit

Wiring diagram for the standard unit, sheet 1.

Wiring Diagram (Sheet 2) - Standard Unit

Wiring diagram for the standard unit, sheet 2.

Legend - Units with EverFRESH Option

List of symbols and descriptions for units with the EverFRESH option.

Schematic Diagram - Units with EverFRESH Option

Electrical schematic diagram for units with the EverFRESH option.

Wiring Diagram (Sheet 1) - Units with EverFRESH Option

Wiring diagram for units with EverFRESH option, sheet 1.

Wiring Diagram (Sheet 2) - Units with EverFRESH Option

Wiring diagram for units with EverFRESH option, sheet 2.

Section 10: Wireless Certification

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