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Toshiba RAS-18N3KV-E User Manual

Toshiba RAS-18N3KV-E
108 pages
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R410A
FILE NO. SVM-12071
SERVICE MANUAL
September, 2012
SPLIT TYPE
Indoor Unit Outdoor Unit
RAS-18N3KV-E RAS-18N3AV-E
RAS-22N3KV-E RAS-22N3AV-E
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Table of Contents

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Toshiba RAS-18N3KV-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-18N3KV-E
CategoryAir Conditioner
LanguageEnglish

Summary

1. Safety Precautions

2. Specifications

Unit Specifications

Detailed technical specifications for indoor and outdoor units, including capacity, power, and dimensions.

3. Refrigerant, Piping & Tools

Refrigerant R410A Safety

Safety precautions for R410A refrigerant during installation and servicing.

Refrigerant Piping Installation

Guidelines for installing refrigerant piping using specific materials and joints.

Required Tools

Lists tools necessary for R410A installation and general tools.

4. Construction, Wiring & Diagrams

Construction Views

Exploded views and dimensional details for indoor and outdoor units.

Wiring Diagram

Wiring diagram illustrating connections between indoor and outdoor units.

Refrigerant Cycle Diagram

Diagram illustrating the refrigerant flow path within the air conditioning system.

8. Control Block Diagrams

Indoor Unit Control

Block diagram of the indoor unit's control system and functions.

Outdoor Unit Control

Block diagram of the outdoor unit's control system, including inverter assembly.

9. Operation Description

Air Conditioner Control Overview

Overview of the air conditioner's control structure and component roles.

Detailed Operation Modes

Detailed descriptions of various operating modes and functions.

Auto Restart Function

Explanation of the automatic restart feature after power failure.

Remote Controller Functions

Information on the remote controller, its functions, and display indicators.

10. Installation Procedure

Unit Installation Diagram

Illustrates the spatial arrangement and placement for indoor and outdoor unit installation.

Indoor Unit Installation

Procedures for installing the indoor unit, including placement and mounting.

Outdoor Unit Installation

Guidelines for selecting an installation location for the outdoor unit.

Additional Procedures

Includes gas leak testing and remote control A-B selection procedures.

11. Troubleshooting

Initial Confirmation & LED Diagnosis

Initial checks for power supply and interpreting indoor unit LED indicators for diagnosis.

Remote Controller & Symptom Diagnosis

Using remote controller and symptom-based steps for fault finding.

Unit & Component Diagnosis

Guides for diagnosing outdoor unit issues and checking main parts.

12. Replacing Main Parts

Indoor Unit Parts Replacement

Detailed instructions for disassembling and replacing main parts of the indoor unit.

Outdoor Unit Parts Replacement

Procedures for detaching and attaching main parts of the outdoor unit.

13. Exploded Views & Parts List

Indoor Unit Electrical Parts

Exploded view and parts list for the indoor unit's electrical components.

Indoor Unit Main Parts

Exploded view and parts list for the main structural and functional parts of the indoor unit.

Outdoor Unit Main Parts

Exploded view and parts list for the main components of the outdoor unit.

Outdoor P.C. Board Layout

Diagram showing the layout of the P.C. board in the outdoor unit.

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