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Mitsubishi Electric HP120TNU-A User Manual

Mitsubishi Electric HP120TNU-A
398 pages
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Table of Contents

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Mitsubishi Electric HP120TNU-A Specifications

General IconGeneral
BrandMitsubishi Electric
ModelHP120TNU-A
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Transportation and Installation

Safe handling and installation procedures for the unit and its components.

Piping Work

Safety guidelines for refrigerant piping installation and handling.

Wiring Work

Safety guidelines for electrical wiring connections and installation.

Chapter 1 Check Before Servicing

1-3 Working with Refrigerant Piping

Procedures for pipe brazing, air tightness testing, and vacuum drying.

1-4 Precautions for Wiring

Safety guidelines for electrical wiring during installation and maintenance.

Chapter 2 Restrictions

Chapter 3 Major Components, Their Functions and Refrigerant Circuits

3-3 Functions of the Major Components of Outdoor Unit

Detailed explanation of the functions of key outdoor unit components.

3-4 Functions of the Major Components of Indoor Unit

Explanation of the roles of major components within the indoor unit.

3-7 Functions of the Major Components of BC Controller

Detailed explanation of the functions of key BC controller components.

Chapter 4 Electrical Components and Wiring Diagrams

4-3 Outdoor Unit Electrical Wiring Diagrams

Electrical wiring diagrams for the outdoor unit, illustrating connections and layouts.

4-7 BC Controller Electrical Wiring Diagrams

Electrical wiring diagrams for the BC controller, detailing all connections.

Chapter 5 Control

5-1 Dipswitch Functions and Factory Settings

Explanation of dipswitch functions and default factory settings for various unit components.

5-2 Outdoor Unit Control

Details on the control logic and operation modes of the outdoor unit.

5-3 BC Controller Control

Explanation of how the BC controller manages various functions like valves and sensors.

Chapter 6 Test Run

6-1 Read before Test Run

Essential checks and precautions to perform before conducting a test run.

6-3 Evaluating and Adjusting Refrigerant Charge

Procedures for assessing and adjusting refrigerant levels for optimal performance.

Chapter 7 Troubleshooting Using Error Codes

7-1 Error Code and Preliminary Error Code Lists

Comprehensive list of error codes and their preliminary details for quick reference.

7-2 Error Code Definitions and Solutions: Codes [0 - 999]

Definitions and solutions for error codes in the 0-999 range.

7-3 Error Code Definitions and Solutions: Codes [1000 - 1999]

Definitions and solutions for error codes in the 1000-1999 range.

7-4 Error Code Definitions and Solutions: Codes [2000 - 2999]

Definitions and solutions for error codes in the 2000-2999 range.

7-5 Error Code Definitions and Solutions: Codes [3000 - 3999]

Definitions and solutions for error codes in the 3000-3999 range.

7-6 Error Code Definitions and Solutions: Codes [4000 - 4999]

Definitions and solutions for error codes in the 4000-4999 range.

Chapter 8 Troubleshooting Based on Observed Symptoms

Chapter 9 USB Function

Chapter 10 LED Status Indicators on the Outdoor Unit Circuit Board

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