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Toshiba RAS-18S2AX User Manual

Toshiba RAS-18S2AX
73 pages
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Revised May, 2008
FILE NO. SVM-08032-1
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
24 Class18 Class
RAS-18SKPX / RAS-18S2AX
RAS-24SKPX / RAS-24S2AX
RAS-18SKPX-V / RAS-18S2AX-V
RAS-18SKP-E / RAS-18S2A-E
RAS-24SKP-E / RAS-24S2A-E

Table of Contents

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Toshiba RAS-18S2AX Specifications

General IconGeneral
BrandToshiba
ModelRAS-18S2AX
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

Construction Views

Indoor Unit Construction

Detailed dimensions and components of the indoor unit.

Outdoor Unit (18 Class) Construction

Dimensions and details of the 18 Class outdoor unit.

Outdoor Unit (24 Class) Construction

Dimensions and details of the 24 Class outdoor unit.

Wiring Diagram

Wiring Diagram for 18 Series Models

Wiring diagram for specific Toshiba air conditioner models (18 Series).

Wiring Diagram for 24 Series Models

Wiring diagram for specific Toshiba air conditioner models (24 Series).

Specification of Electrical Parts

Indoor Unit Electrical Parts (18 Series)

Electrical component specifications for 18 Series indoor units.

Outdoor Unit Electrical Parts (18 Series)

Electrical component specifications for 18 Series outdoor units.

Indoor Unit Electrical Parts (24 Series)

Electrical component specifications for 24 Series indoor units.

Outdoor Unit Electrical Parts (24 Series)

Electrical component specifications for 24 Series outdoor units.

Refrigeration Cycle Diagram

Refrigeration Cycle Diagram (18 Series)

Refrigeration cycle diagram for specific 18 Series models.

Refrigeration Cycle Diagram (24 Series)

Refrigeration cycle diagram for specific 24 Series models.

Control Block Diagram

Operation Description

Remote Control Functions and Display

Details on the functions and display of the remote control.

Air Conditioner Control Outline

Explains the control logic for indoor and outdoor units.

Operation Mode Description

Describes unit operation in Fan Only, Cooling, Dry, and Auto modes.

Safety and Reliability Prevention

Details low-temperature limit control to prevent freezing.

Special Operation Modes

Explains One-Touch, Hi-POWER, QUIET, ECO, and COMFORT SLEEP modes.

Filter Check Lamp Operation

Explains the filter indicator light and reset procedure.

Auto Restart Function

Describes the automatic restart feature after power interruption.

Self-Cleaning Operation

Details the self-cleaning operation to maintain unit cleanliness.

Installation Procedure

General Safety Cautions for Installation

Crucial safety warnings and precautions for installation.

Installation Diagram of Units

Visual guide for installing indoor and outdoor units.

Installation Parts and Accessories

Lists optional parts, accessories, and fixing bolts for installation.

Indoor Unit Installation Guide

Covers indoor unit placement, drilling, electrical, and piping steps.

Outdoor Unit Installation Guide

Covers outdoor unit placement, piping, evacuating, and wiring.

Troubleshooting Chart

Troubleshooting Procedure Overview

General steps for troubleshooting common issues.

Basic Check Items

Basic checks before detailed troubleshooting: power, wiring, program.

Primary Judgement and Diagnosis

Initial diagnosis based on symptoms, controller role, and error indicators.

Remote Control Self-Diagnosis

Using the remote for self-diagnosis and interpreting check codes.

Specific Component Troubleshooting

Troubleshooting for wiring, PC board, and remote control issues.

How to Replace Main Parts

Indoor Unit Parts Replacement

Procedures for replacing main components of the indoor unit.

Outdoor Unit Parts Replacement (18 Series)

Procedures for replacing main components of the 18 Series outdoor unit.

Outdoor Unit Parts Replacement (24 Series)

Procedures for replacing main components of the 24 Series outdoor unit.

Exploded Views and Parts List

Indoor Unit Exploded View and Parts List

Exploded view and list of parts for the indoor unit.

Indoor Unit Exploded View and Parts List (Cont.)

Continuation of exploded view and parts list for the indoor unit.

Outdoor Unit Exploded View and Parts List (18 Series)

Exploded view and list of parts for the 18 Series outdoor unit.

Outdoor Unit Exploded View and Parts List (24 Series)

Exploded view and list of parts for the 24 Series outdoor unit.

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