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Toshiba RAS-24N3KV2-A User Manual

Toshiba RAS-24N3KV2-A
129 pages
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R410A
AIR-CONDITIONER
SPLIT TYPE
SERVICE MANUAL
Indoor Unit Outdoor Unit
<High Wall, Heat Pump Type> <Heat Pump Type>
FILE NO. SVM-13004
RAS-24N3KV2-A RAS-24N3AV2-A
February,2013

Table of Contents

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Toshiba RAS-24N3KV2-A Specifications

General IconGeneral
BrandToshiba
ModelRAS-24N3KV2-A
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

General Safety Precautions

General safety guidelines and symbol meanings before installation.

Power Supply Cord Requirements

Specifications for power supply cords for general public use appliances.

R410A Refrigerant Installation Precautions

Safety guidelines for installing AC using R410A refrigerant.

DANGER and WARNING Statements

Critical safety warnings and dangers associated with installation and use.

CAUTION Statements

General caution statements regarding installation and handling.

Unit Specifications

Refrigerant R410A Information

Safety During Installation and Servicing

Safety precautions for handling R410A during installation and servicing.

Refrigerant Piping Installation

Guidelines for installing refrigerant piping, including materials and joints.

Piping Materials and Joints Used

Details on copper pipes and joints suitable for R410A.

Copper Pipes

Specifications and requirements for copper pipes used with R410A.

Joints

Information on flare and socket joints for R410A piping.

Processing of Piping Materials

Procedures and precautions for cutting and flaring pipes.

Flare Processing Procedures and Precautions

Steps and safety measures for flare processing of pipes.

Construction Views and Diagrams

Indoor Unit Construction

Detailed diagrams and dimensions of the indoor unit.

Outdoor Unit Construction

Detailed diagrams and dimensions of the outdoor unit.

Wiring Diagrams

Indoor Unit Wiring Diagram

Electrical wiring schematic for the indoor unit.

Outdoor Unit Wiring Diagram

Electrical wiring schematic for the outdoor unit.

Electrical Parts Specifications

Indoor Unit Electrical Parts

List and specifications of electrical components in the indoor unit.

Outdoor Unit Electrical Parts

List and specifications of electrical components in the outdoor unit.

Refrigerant System Details

Refrigerant Cycle Diagram

Schematic illustrating the refrigerant flow within the air conditioner system.

Operation Data

Performance data under specific cooling and heating conditions.

Control System Diagrams

Indoor Unit Control Block Diagram

Diagram showing control functions and signal flow for the indoor unit.

Outdoor Unit Control Block Diagram

Diagram showing control functions and signal flow for the outdoor unit.

Operation and Control Functions

Outline of Air Conditioner Control

Overview of the air conditioner's control system and components.

Detailed Operation Descriptions

Explains various operation modes and functions like cooling, heating, AUTO, DRY.

Installation Procedures

Installation Diagram

Visual guide for positioning indoor and outdoor units during installation.

Installation Parts and Tools

Lists optional parts and required tools for installation.

Indoor Unit Installation

Guidelines for selecting the installation place and drilling for the indoor unit.

Wiring Connection

Instructions for connecting electrical wiring between units and remote control.

Piping and Drain Hose Installation

Procedures for installing refrigerant piping and drain hoses.

Outdoor Unit Installation Place and Precautions

Guidelines for outdoor unit placement and cold weather installation.

Refrigerant Piping Connection

Steps for connecting refrigerant pipes, including flaring and tightening.

Evacuating

Procedure for evacuating the system using a vacuum pump.

Electrical Work

Instructions and warnings for performing electrical wiring.

Troubleshooting Installation Issues

Common installation problems and their solutions.

Remote Control Setup and Testing

Procedures for remote control selection, testing, and auto-restart setup.

Troubleshooting Guide

Initial Confirmation and Primary Checks

Basic checks for power supply, voltage, and normal operation status.

Indoor Unit LED Error Indicators

Interpreting flashing LEDs on the indoor unit for self-diagnosis.

Remote Controller Self-Diagnosis

Using the remote controller service mode to diagnose errors via check codes.

Troubleshooting by Symptom

Step-by-step guide for diagnosing issues based on observed symptoms.

Wiring Fault Diagnosis

Identifying and resolving issues related to interconnecting and serial signal wiring.

Specific Check Code Diagnostics

Detailed troubleshooting for specific error codes (e.g., F04, F06, F07).

Component Checks and Troubleshooting

Procedures for checking main parts like P.C. boards and motors.

Outdoor Fan Motor Diagnosis

Method to check if the outdoor fan motor is functioning correctly.

Main Parts Replacement

Indoor Unit Parts Replacement

Step-by-step guide to replace components of the indoor unit.

Outdoor Unit Parts Replacement

Procedures for replacing parts of the outdoor unit.

Exploded Views and Parts Lists

Indoor Unit Exploded View and Parts List

Illustrated breakdown of indoor unit components with part numbers.

Outdoor Unit Exploded View and Parts List

Illustrated breakdown of outdoor unit components with part numbers.

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