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Mitsubishi TDJ430D - User Manual

Mitsubishi TDJ430D
91 pages
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'99 · TD-S · 001
MITSUBISHI
TRANSPORT REFRIGERATION UNIT
TDJ300D
TDJ430D
SERVICE MANUAL
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Mitsubishi TDJ430D Specifications

General IconGeneral
BrandMitsubishi
ModelTDJ430D
CategoryRefrigerator
LanguageEnglish

Summary

Introduction

How to Read the Type

Explains the coding system used for unit model identification.

Safety Precautions

General Warnings

Lists critical safety warnings and precautions for operation and maintenance.

Cautions

Details important cautions to prevent minor injuries or equipment damage.

General Information

Controller Features

Describes the microcomputerized controller's display and diagnostic functions.

Drive System Overview

Explains the engine drive and motor drive (Type 2) systems.

Operation Control Logic

Details how the refrigeration unit's cooling operation is controlled by temperature.

Defroster Function

Explains the automatic and manual defrosting operations to maintain efficiency.

Protective Devices

Describes safety devices that protect the unit from high pressure or temperature.

Name of Each Component

Refrigeration Unit

Identifies the main refrigeration unit assembly.

Controller Unit

Shows the components of the control panel and display.

Compressor Types

Illustrates the compressors for TDJ300D and TDJ430D models.

Motor Pack and Power Source Box

Identifies the motor pack and power source box for Type 2 units.

Adjustment of Test Operation

Pre-Operation Inspection Steps

Lists checks to perform before unit operation for safety and proper function.

Inspection During Operation

Details checks required while the unit is running to ensure correct operation.

Daily Operation

Controller Operation Guide

Explains the function of each switch and indicator on the controller.

Other Operational Functions

Covers changing preset temperature, displaying operation time, and fault history.

Special Service Switch Operations

Describes how to clear operation time and change defrost timer settings.

Operation Sequence Steps

Outlines the sequence for cooling operation for engine and motor drive types.

Display Switch Functions

Explains how to view different information on the digital display.

Defrosting Procedures

Details automatic and manual defrosting operations to prevent ice buildup.

Loading

Pre-loading Inspection

Steps to inspect the storage and unit before loading goods.

Loading Procedure Guidelines

Instructions for loading goods to ensure proper air circulation and temperature.

Unloading Process

Steps for safe and efficient unloading of goods.

Usage Precautions

Advises on long-term usage, maintenance during non-use, and operational practices.

Refrigerant Piping System

Refrigerant Piping Diagram

Illustrates the layout of refrigerant pipes for engine and motor drive types.

Freezing and Defrost Cycles

Diagrams showing the refrigerant flow during freezing and defrosting operations.

Control System

Description of Main Parts

Compressor Details

Describes the construction and lubrication system of the compressors.

Magnet Clutch Function

Explains the role of the magnet clutch in compressor operation.

Heat Accumulator Purpose

Details the function of the heat accumulator in the refrigerant cycle.

Accumulator (Type 2) Function

Explains the accumulator's role in separating refrigerant for Type 2 systems.

Electromagnetic Valve Types

Describes the defrost and liquid injection electromagnetic valves.

Check Valve Function

Explains the purpose of the check valve in preventing backflow.

Receiver Unit

Describes the receiver's function and safety features.

Sight Glass Inspection

Guides on checking refrigerant level and water content via the sight glass.

Dryer Role

Explains the dryer's function in removing moisture and foreign materials.

Condenser Fan Motor

Provides specifications and notes for the condenser fan motor.

Evaporator Fan Motor Specs

Details specifications for the evaporator fan motor.

Multi-function Valve Features

Outlines the benefits and functions of the multi-function valve.

Expansion Valve Adjustment

Explains how to adjust the expansion valve for optimal refrigerant flow.

Defrost Thermostat (DTS) Operation

Describes the DTS function in ending the defrost cycle.

Dual Pressure Switch (DPS) Settings

Lists the CUT IN/OUT pressure settings for the DPS.

Storage Temperature Sensor (TH) Role

Explains how the TH sensor controls unit operation based on temperature.

Td Sensor (Td) Function

Details the Td sensor's role in monitoring compressor delivery temperature.

Controller Capabilities

Highlights the controller's advanced features like digital display and diagnostics.

Drain Hose Heater (Optional)

Describes the optional drain hose heater and its activation.

Electric Wiring Diagram

Sequence Diagram for TDJ300 D;TDJ430 D

Provides the sequence diagram for electrical connections.

Explanation of Operation

Engine Drive Cooling Operation

Details the cooling operation sequence for engine-driven units.

Thermostat ON-OFF Operation During Cooling

Explains how thermostat cycles control cooling operation.

Defrost Operation Sequence

Outlines the steps involved in the defrost operation cycle.

Operation of Protection Device

Motor Drive Protection

Details the protection device operation specific to motor-driven units.

Periodic Inspection

Installation and Test Run Inspection

Comprehensive checks required upon unit installation and initial test run.

Daily Inspection Checklist

Routine checks to be performed daily for proper unit functioning.

Monthly Inspection Tasks

Periodic checks to be done monthly for belt tension, cleaning, and refrigerant status.

Six-Month Inspection Items

Checks required every six months, including relay contacts and wiring.

Bolt Tightening Specifications

Tables specifying torque values for flare nuts and general bolts.

Daily Inspection Precautions

Guidelines for users on daily checks, including gas leakage and coil cleaning.

Loading into Storage Guidelines

Instructions for proper loading to ensure temperature circulation and prevent issues.

Periodic Inspection Cautions

Important considerations for periodic inspections, including belt tension and parts replacement.

Inspection Check Sheet

A form for recording inspection results for installation, test run, and periodic checks.

Pressure Tables for Standard Operation

Tables showing pressure values for TDJ300D and TDJ430D under various conditions.

Defect and Its Cause

Refrigerant System Defect Diagnosis

A table correlating defects with causes in the refrigerant system.

Diagnosis by Pressure Gauge

Uses pressure readings to diagnose common refrigeration system issues.

Refrigeration Shortage Causes

Identifies causes and remedies for insufficient refrigeration.

Abnormal Sound Diagnosis

Lists potential causes for abnormal sounds and their solutions.

Charging the Refrigerant <R404 A>

Refrigerant Charging Procedures

Step-by-step guide for charging refrigerant, including evacuation and gas charging.

Controller-Based Defect Diagnosis

Troubleshooting guide based on controller display indications and alarm lamps.

Controller Defect Diagnosis Flow

Flowchart for diagnosing controller-related defects based on display codes.

Other Defect Diagnosis

Troubleshooting for units not operating or having abnormal indications.

Defrost Operation Troubleshooting

Steps to diagnose and resolve issues with defrost operation.

Motor Drive Operation Issues

Troubleshooting specific to motor drive operation, including fan and compressor failures.

Controller Board Inspection

Handling Precautions for PCB

Safety guidelines for handling printed circuit boards to prevent damage.

Input;Output Connector Pin Assignments

Details the pin configurations for controller connectors.

Controller Inspecting Procedure

Steps for inspecting the controller's electrical connections and voltage readings.

Method to Select a Model with Jumper Cable

Selectable Functions via Jumper Cables

Explains how jumper cables configure model, refrigerant, heating, and fan settings.

Refrigerant Saturated Pressure Table (R404 A)

Installation Procedure

Installation Cautionary Points

Key precautions to ensure safe and proper unit installation, avoiding leaks and hazards.

Installation Points and Requests

Specific guidance on component alignment, hose routing, and piping installation.

Reference Drawing for Installation

Illustrates the overall layout and mounting positions of the refrigeration unit.

Caution for Safety Installation

Vehicle Preparation Steps

Procedures for preparing the vehicle before unit installation, including safety measures.

Unit Installation Guidelines

Safe practices for handling and mounting the refrigeration unit components.

Test Operations Procedure

Outline Drawing

Compressor Dimensions

Provides detailed dimensional drawings for the compressors.

Refrigeration Unit Dimensions

Shows the overall dimensions and mounting points of the refrigeration unit.

Controller Dimensions

Displays the physical dimensions of the controller unit.

Motor Pack Dimensions

Outlines the dimensions for the motor pack.

Power Source Box Dimensions

Shows the physical dimensions of the power source box.

Van Body Fabrication Drawing

Unit Mounting Hole and Bolt Hole Positions

Specifies drilling and mounting details for the unit on the van body.

Unit Mating Surface Requirements

Details for ensuring a proper seal and alignment of the unit with the van.

Inside Van Body Installation Points

Guidelines for installing protection guards and bulkheads inside the van.

Cover Installation Clearance

Specifies clearance requirements for the unit cover.

Motor Pack, Power Source Box, and Accumulator Installation Drawing

Piping Installation

Type 1 Piping Installation

Shows the piping configuration for Type 1 units.

Type 2 Piping Installation

Illustrates the piping layout for Type 2 units with motor packs.

Refrigerant Piping Details

Provides specific piping diagrams and connection points for different types.

Wiring Connection

Controller Installation Inside Panel (Option)

Cautions for Electric Wiring

Installation of Marker Lamp (Users Option)

Instructions for installing an optional marker lamp on the refrigeration unit.

Part List

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