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Toshiba RAS-18SA-ES User Manual

Toshiba RAS-18SA-ES
84 pages
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February, 2009
FILE NO. SVM-09036
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-18SKHP-ES / RAS-18S2AH-ES
RAS-24SKHP-ES / RAS-24S2AH-ES
RAS-18SKP-ES / RAS-18SA-ES
RAS-24SKP-ES / RAS-24SA-ES

Table of Contents

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Toshiba RAS-18SA-ES Specifications

General IconGeneral
BrandToshiba
ModelRAS-18SA-ES
CategoryAir Conditioner
LanguageEnglish

Summary

Construction Views

Indoor Unit

Detailed diagrams showing the dimensions and components of the indoor unit.

Outdoor Unit

Diagrams illustrating the dimensions and components of the outdoor unit.

Wiring Diagram

RAS-18SKP-ES / RAS-18SA-ES, RAS-24SKP-ES / RAS-24SA-ES

Electrical wiring diagram for specific models, showing connections between indoor and outdoor units.

RAS-18SKHP-ES / RAS-18S2AH-ES, RAS-24SKHP-ES / RAS-24S2AH-ES

Wiring diagram for different models, detailing electrical connections.

Specification of Electrical Parts

Indoor Unit (RAS-18SKP-ES, RAS-24SKP-ES)

List and specifications of electrical components used in the indoor unit for specific models.

Outdoor Unit (RAS-18SA-ES)

Details of electrical parts for the outdoor unit of the RAS-18SA-ES model.

Outdoor Unit (RAS-24SA-ES)

List and specifications of electrical components for the RAS-24SA-ES outdoor unit.

Indoor Unit (RAS-18SKHP-ES, RAS-24SKHP-ES)

Electrical parts specifications for indoor units of RAS-18SKHP-ES and RAS-24SKHP-ES.

Outdoor Unit (RAS-18S2AH-ES)

Electrical parts specifications for the RAS-18S2AH-ES outdoor unit.

Outdoor Unit (RAS-24S2AH-ES)

Electrical parts specifications for the RAS-24S2AH-ES outdoor unit.

Refrigeration Cycle Diagram

RAS-18SKP-ES / RAS-18SA-ES

Diagram illustrating the refrigeration cycle for specific air conditioner models.

RAS-24SKP-ES / RAS-24SA-ES

Refrigeration cycle diagram for RAS-24SKP-ES and RAS-24SA-ES models.

RAS-18SKHP-ES / RAS-18S2AH-ES

Refrigeration cycle diagram for specific heat pump models.

RAS-24SKHP-ES / RAS-24S2AH-ES

Refrigeration cycle diagram for specific heat pump models.

Control Block Diagram

RAS-18SKP-ES / RAS-18S2A-ES, RAS-24SKP-ES / RAS-24S2A-ES

Block diagram showing the control logic for indoor and outdoor units.

RAS-18SKHP-ES / RAS-18S2AH-ES, RAS-24SKHP-ES / RAS-24S2AH-ES

Control block diagram for specific heat pump models.

Operation Description

Remote control

Details the functions of each button on the wireless remote control.

Outline of Air Conditioner Control

Overview of how the indoor and outdoor units control the air conditioner's operation.

Description of Operation Mode

Describes the basic operation modes like Fan only, Cooling, Dry, Heating.

Description of Safety and Reliability Prevention Function

Overview of safety features and reliability prevention functions.

One-Touch Operation

Describes the fully automated operation for preferred conditions.

Hi POWER Operation

Explains the high power operation mode for rapid cooling/heating.

QUIET Operation

Details the quiet operation mode, reducing fan speed and noise.

ECO Operation

Explains the energy-saving ECO operation mode.

COMFORT SLEEP Operation

Details the comfort sleep mode for enhanced comfort and energy saving.

FILTER Check lamp

Explains the filter check indicator and how to reset it.

Auto Restart Function

Describes the function allowing the unit to restart after power interruption.

Self-Cleaning Operation

Explains the self-cleaning operation to maintain unit cleanliness.

Installation Procedure

Safety Cautions

Critical safety warnings and precautions for installation personnel.

Installation Diagram of Indoor and Outdoor Units

Diagrams showing the correct placement and clearances for installing units.

Optional installation parts

Lists optional installation parts and fixing arrangements.

Indoor Unit

Covers installation location and drilling for the indoor unit.

Drilling a Hole and Mounting Installation Plate

Instructions for drilling holes and mounting the indoor unit's installation plate.

Electrical Work

Details on electrical wiring requirements and safety precautions for installation.

Piping and Drain Hose Installation

Instructions for forming and installing refrigerant pipes and drain hoses.

Outdoor Unit

Guidelines for selecting an installation location for the outdoor unit.

Refrigerant piping connection

Procedures for connecting refrigerant pipes, including flaring and tightening.

Evacuating

Steps for evacuating air from the refrigerant system using a vacuum pump.

Test Operation

Procedures for performing initial test operations after installation.

Troubleshooting Chart

Troubleshooting Procedure

General approach to troubleshooting issues with the air conditioner.

Basic Check Items

Initial checks for common issues like power supply and wiring.

Self-Diagnosis by Remote Controller (Check Code)

Using the remote control to access and interpret self-diagnosis check codes.

How To Diagnose Faulty Parts

Flowcharts to diagnose specific faulty parts like sensors, compressors, etc.

Troubleshooting for Indoor unit

Troubleshooting steps for issues related to the indoor unit, starting with power.

Power can not be turned on. (The unit does not operate at all.)

Detailed flowchart for diagnosing why the unit won't turn on.

Only indoor fan motor does not operate.

Flowchart for diagnosing issues when only the indoor fan motor fails to operate.

Compressor does not operate.

Flowchart for diagnosing why the compressor is not operating.

Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)

Guide for troubleshooting wiring issues between indoor and outdoor units.

Troubleshooting for P.C. board

Procedures for checking and troubleshooting the indoor P.C. board.

Troubleshooting for Remote Control

Steps to diagnose and resolve issues with the remote control.

How to Replace the Main Parts

Indoor Unit

Safety precautions and procedures for replacing parts in the indoor unit.

Outdoor Unit

Common procedures for disassembling the outdoor unit cabinet.

Exploded Views and Parts List

Indoor Unit (E-Parts Assy)

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

Indoor Unit

Exploded views and part numbers for indoor unit components.

Outdoor Unit (RAS-18SA-ES, RAS-24SA-ES)

Exploded views and part numbers for specific outdoor unit models.

Outdoor Unit (RAS-18S2AH-ES, RAS-24S2AH-ES)

Exploded views and part numbers for different outdoor unit models.

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