Carrier 69NT40-551-500 User Manual

T--334 Rev B
OPERATION AND SERVICE
for
69NT40--551--500 TO 599
Container Refrigeration Units
Container Refrigeration
R
Downloaded from ManualsNet.com search engine

Carrier 69NT40-551-500 Specifications

General

Brand	Carrier
Model	69NT40-551-500
Category	Refrigerator
Language	English

Summary

Safety Summary

General Safety Notices

Formal summary of general safety guidelines for operation and maintenance.

Operating Precautions

Safety rules and precautions to be followed during unit operation.

Maintenance Precautions

Safety rules and precautions to be followed during unit maintenance.

Specific Warning and Caution Statements

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

Section 1 Introduction

1.1 Introduction

General description of the unit's purpose, design, and capabilities.

1.3 Option Description

Details various factory or field-equipped options available for the unit.

1.3.2 Dehumidification

Explains the function and operation of the dehumidification mode.

1.3.17 Water Cooling

Explains the operation and connection of the water-cooled condenser.

1.3.29 Controller

Details the available controller types and their features.

1.3.31 Emergency Bypass

Explains the function of the emergency bypass for controller failure.

Section 2 Description

2.1 General Description

Provides an overall description of the unit's design and accessibility.

2.1.1 Refrigeration Unit - Front Section

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

2.1.3 Evaporator Section

Describes the evaporator section and its key components.

2.1.4 Compressor Section

Details the compressor section and associated components.

2.1.5 Air-Cooled Condenser Section

Describes the air-cooled condenser section and its components.

2.1.6 Water-Cooled Condenser Section

Describes the water-cooled condenser section and its components.

2.1.7 Control Box Section

Details the components located within the control box.

2.2 Refrigeration System Data

Presents key technical data for the refrigeration system.

2.3 Electrical Data

Provides detailed electrical specifications for unit components.

2.4 Safety and Protective Devices

Lists and explains the unit's safety and protective devices.

2.5 Refrigeration Circuit

Describes the operational modes of the refrigeration circuit.

2.5.1 Standard Operation

Explains the standard mode of refrigeration operation.

2.5.2 Economized Operation

Describes the economized mode of refrigeration operation.

Section 3 Microprocessor

3.1 Temperature Control Microprocessor System

Overview of the microprocessor system and its components.

3.1.1 Key Pad

Details the functions of the keypad for user interface.

3.1.3 Controller

Describes the microprocessor controller module.

3.2 Controller Software

Explains the controller's software functions and structure.

3.2.1 Configuration Software (Variables)

Details the configuration software variables.

3.3 Modes of Operation

Describes the various operating modes of the unit.

3.3.1 Temperature Control - Perishable Mode

Details temperature control in perishable mode.

3.3.12 Temperature Control - Frozen Mode

Details temperature control in frozen mode.

3.4 Controller Alarms

Lists and explains various controller alarms.

3.5 Unit Pre-Trip Diagnostics

Explains the pre-trip diagnostic testing function.

3.6 DataCORDER

Describes the DataCORDER system for data logging.

3.6.1 Description

Overview of the DataCORDER's features and functions.

3.6.11 USDA Cold Treatment

Details USDA cold treatment procedures.

3.6.13 DataCORDER Alarms

Explains how to display and clear DataCORDER alarms.

Section 4 Operation

4.1 Inspection (Before Starting)

Pre-operation inspection checklist for the unit.

4.2 Connect Power

Instructions for connecting electrical power to the unit.

4.2.1 Connection To 380/460 VAC Power

Steps for connecting to the 380/460VAC power source.

4.3 Adjust Fresh Air Makeup Vent

Procedures for adjusting the fresh air makeup vent.

4.6 Starting and Stopping Instructions

Procedures for starting and stopping the unit.

4.6.1 Starting the Unit

Step-by-step instructions for starting the unit.

4.7 Start-Up Inspection

Post-start inspection procedures for the unit.

4.8 Pre-Trip Diagnosis

Detailed explanation of the pre-trip diagnostic testing function.

4.10 Sequence of Operation

Describes various operational sequences of the unit.

4.10.5 Sequence of Operation - Defrost

Explains the defrost cycle operations.

4.10.6 Emergency Bypass Operation

Describes how to operate the unit in emergency bypass mode.

Section 5 Troubleshooting

5.1 Unit Will Not Start or Starts Then Stops

Troubleshooting steps for unit start-up issues.

5.2 Unit Operates Long or Continuously in Cooling

Troubleshooting steps for continuous cooling operation.

5.3 Unit Runs But Has Insufficient Cooling

Troubleshooting steps for insufficient cooling.

5.4 Unit Will Not Heat or Has Insufficient Heating

Troubleshooting steps for heating issues.

5.7 Abnormal Pressures (Cooling)

Troubleshooting abnormal cooling pressures.

5.8 Abnormal Noise or Vibrations

Troubleshooting noise and vibration issues.

5.9 Controller Malfunction

Troubleshooting controller malfunctions.

5.10 No Evaporator Air Flow or Restricted Air Flow

Troubleshooting air flow issues.

5.11 Thermostatic Expansion Valve Malfunction

Troubleshooting TXV malfunctions.

5.14 Compressor Operating in Reverse

Troubleshooting reverse compressor operation.

5.15 Abnormal Temperatures

Troubleshooting abnormal temperature readings.

Section 6 Service

6.2 Manifold Gauge Set

Description and use of the manifold gauge set.

6.3 Refrigeration System Service-Units with Standard Piping (with Service Valves)

Service procedures for units with standard piping.

6.3.1 Service Connections

How to make service connections on standard piping units.

6.3.3 Refrigerant Leak Checking

Procedures for checking refrigerant leaks.

6.3.4 Evacuation and Dehydration

Procedures for evacuating and dehydrating the system.

6.3.5 Refrigerant Charge

Procedures for checking and adding refrigerant charge.

6.4 Refrigeration System Service - Units with Semi-Hermetic Piping (without Service Valves)

Service procedures for semi-hermetic units.

6.4.2 Refrigerant Recovery

Procedure for recovering refrigerant.

6.4.4 Evacuation and Dehydration

Procedures for evacuating and dehydrating semi-hermetic units.

6.5 Compressor

Information on the compressor.

6.5.1 Removal and Replacement of Compressor

Detailed procedure for compressor removal and replacement.

6.6 Compressor Oil Level

Procedures for checking and adding compressor oil.

6.7 High Pressure Switch

Information on the high pressure switch.

6.7.2 Checking High Pressure Switch

Procedure for checking the high pressure switch.

6.8 Condenser Coil

Service procedures for the condenser coil.

6.9 Condenser Fan and Motor Assembly

Service procedures for the condenser fan and motor.

6.10 Water-Cooled Condenser Cleaning

Procedure for cleaning the water-cooled condenser.

6.11 Filter Drier

Information on the filter drier.

6.12 Expansion Valves

Information on expansion valves.

6.12.1 Checking Superheat

Procedure for checking superheat.

6.15 Evaporator Fan and Motor Assembly

Service for evaporator fan and motor.

6.15.1 Replacing The Evaporator Fan Assembly

Procedure for replacing the fan assembly.

6.18 Suction Modulation Valve

Information on the suction modulation valve.

6.20 Controller

Information on the controller.

6.20.2 Controller Trouble-Shooting

Troubleshooting the controller.

6.20.3 Controller Programming Procedure

Procedures for programming the controller.

6.22 Temperature Sensor Service

Service procedures for temperature sensors.

6.23 Electronic Partlow Temperature Recorder

Information on the electronic temperature recorder.

6.25 Composite Control Box Repairs

Repair procedures for composite control boxes.

6.25.2 Cracks

Repair procedure for cracks in the control box.

6.25.3 Chips And Holes

Repair procedure for chips and holes in the control box.

6.26 Communications Interface Module Installation

Procedure for installing the communications interface module.

Section 7 Electrical Wiring Schematics

7.1 Introduction

Introduction to the electrical wiring schematics section.