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Toshiba RAS-24SKHP-ES User Manual

Toshiba RAS-24SKHP-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-24SKHP-ES Specifications

General IconGeneral
Power Supply220-240V, 50Hz
Indoor Unit Dimensions (W x H x D)1040 x 327 x 222 mm
Outdoor Unit Dimensions (W x H x D)840 x 595 x 320 mm
TypeSplit System
Power Supply (V)220-240 V

Summary

TOSHIBA Air Conditioner Specifications

TOSHIBA Air Conditioner Construction Views

Indoor Unit Construction Details

Diagrams and dimensions of the indoor unit.

Outdoor Unit Construction Details

Diagrams and dimensions of the outdoor unit.

TOSHIBA Air Conditioner Wiring Diagrams

Wiring Diagram for Specific SKP/SA Models

Wiring schematic for RAS-18/24SKP/SA-ES models.

Wiring Diagram for SKHP/S2AH Models

Wiring schematic for RAS-18/24SKHP/S2AH-ES models.

TOSHIBA Air Conditioner Electrical Parts Specifications

Indoor Unit Electrical Parts (RAS-18/24SKP-ES)

Electrical parts list for specific indoor models.

Outdoor Unit Electrical Parts (RAS-24SA-ES)

Electrical parts list for a specific outdoor model.

Indoor Unit Electrical Parts (RAS-18/24SKHP-ES)

Electrical parts list for other indoor models.

Outdoor Unit Electrical Parts (RAS-18S2AH-ES)

Electrical parts list for another outdoor model.

Outdoor Unit Electrical Parts (RAS-24S2AH-ES)

Electrical parts list for another outdoor model.

TOSHIBA Air Conditioner Refrigeration Cycle Diagrams

Refrigeration Cycle (RAS-18/18SA-ES)

Refrigeration cycle schematic for specific models.

Refrigeration Cycle (RAS-24/24SA-ES)

Refrigeration cycle schematic for other models.

Refrigeration Cycle (RAS-18SKHP-ES)

Refrigeration cycle schematic for other models.

Refrigeration Cycle (RAS-24SKHP-ES)

Refrigeration cycle schematic for other models.

TOSHIBA Air Conditioner Control Block Diagrams

Control Block Diagram (RAS-18/24SKP-ES)

Control block diagram for specific models.

Control Block Diagram (RAS-18/24SKHP-ES)

Control block diagram for other specific models.

TOSHIBA Air Conditioner Operation Descriptions

Remote Control Overview

Details on the function of the remote control buttons.

Remote Control Display Indicators

Explanation of indicators and symbols on the remote control display.

Air Conditioner Control Outline

Overview of indoor and outdoor unit control functions.

Operation Mode Descriptions

Explanation of different operation modes like cooling, fan only.

Dry & Heating Operation Modes

Details on dry and heating operation modes.

Automatic Operation Mode

How automatic operation mode selects modes.

Safety & Reliability Functions

Explanation of safety and reliability features.

One-Touch & Hi POWER Operations

Description of one-touch and Hi POWER operations.

QUIET, ECO, COMFORT SLEEP Operations

Explanation of quiet, ECO, and comfort sleep operations.

Filter Check Lamp Indicator

Information on the filter check indicator and reset.

Auto Restart Function

Details on the auto restart function and its setup.

Self-Cleaning Operation

Purpose and operation of the self-cleaning function.

Self-Cleaning Function Management

Instructions for setting and canceling self-cleaning.

TOSHIBA Air Conditioner Installation Procedure

Installation Safety Cautions

Essential safety precautions before installation.

Installation Diagram

Visual guide for installing indoor and outdoor units.

Installation Components

List of optional and accessory parts for installation.

Indoor Unit Installation

Procedures and considerations for installing the indoor unit.

Indoor Unit Installation Place

Suitable locations for installing the indoor unit.

Indoor Unit Mounting Preparation

Steps for drilling holes and mounting the installation plate.

Indoor Unit Electrical Work

Guidelines for electrical connections during installation.

Indoor Unit Wiring Connection

How to connect the connecting cable for the indoor unit.

Indoor Unit Piping & Drain Hose

Instructions for installing refrigerant piping and drain hose.

Indoor Unit Mounting Steps

Steps for physically installing the indoor unit.

Indoor Unit Drainage

How to ensure proper drainage for the unit.

Outdoor Unit Installation

General considerations for outdoor unit installation.

Outdoor Unit Installation Place

Suitable locations for installing the outdoor unit.

Refrigerant Piping Connection

How to connect the refrigerant piping.

Evacuating Refrigerant System

Procedure for evacuating the refrigerant system.

Outdoor Unit Wiring Connection

How to connect wiring for the outdoor unit.

Test Operation

Steps to perform after installation for testing.

Gas Leak Test

How to check for gas leaks after installation.

Initial Test Operation

Steps to perform initial system test operation.

Remote Controller Mode Selection

How to set remote controller mode for multiple units.

Auto Restart Setting

How to set the auto restart function.

TOSHIBA Air Conditioner Troubleshooting Chart

Troubleshooting Procedure

General steps for troubleshooting issues.

Basic Check Items

Essential initial checks for common problems.

Primary Judgement

Initial diagnosis based on symptoms and indicators.

Self-Diagnosis via Remote (Check Codes)

Using remote control for self-diagnosis and check codes.

Remote Control Service Mode

Steps to enter service mode for diagnostics.

Table 9-4-1: Diagnostic Functions and Actions

Error codes, symptoms, conditions, and troubleshooting actions.

Faulty Parts Diagnosis Flowcharts

Flowcharts for diagnosing specific faulty components.

Indoor Unit Troubleshooting

Specific troubleshooting steps for indoor unit issues.

Unit Power Failure

Troubleshooting steps when the unit does not operate at all.

Indoor Fan Motor Issues

Steps to diagnose issues with the indoor fan motor.

Compressor Not Operating

Troubleshooting steps when the compressor fails to operate.

Table 9-7-1: Wiring Inspection Procedure

Inspection steps for specific wiring issues.

Wiring Troubleshooting

Diagnosing issues related to wiring and signal communication.

Outdoor Unit Not Operating

Steps to troubleshoot when the outdoor unit fails to operate.

Outdoor Unit Stops After Start

Diagnosing why the outdoor unit stops after starting.

P.C. Board Troubleshooting

Steps to troubleshoot issues related to the P.C. board.

Indoor P.C. Board Checks

Procedures for checking the indoor P.C. board.

Table 9-8-2: Thermo Sensor Resistance Values

Reference values for thermo sensor resistance checks.

Restart Delay Timer Adjustment

Method to adjust the restart delay timer duration.

Self-Cleaning Function Management

Instructions for setting and canceling self-cleaning.

Remote Control Troubleshooting

Steps to diagnose and resolve remote control issues.

TOSHIBA Air Conditioner Main Parts Replacement

Indoor Unit Parts Replacement

Procedures for replacing main parts of the indoor unit.

TOSHIBA Air Conditioner Exploded Views and Parts Lists

Indoor Unit Parts List (E-Parts Assy)

Exploded view and parts list for indoor unit components.

Indoor Unit Detailed Parts List

Detailed parts list for the indoor unit.

Outdoor Unit Parts List (RAS-18/24SA-ES)

Exploded view and parts list for specific outdoor units.

Outdoor Unit Parts List (RAS-18/24S2AH-ES)

Exploded view and parts list for other outdoor units.

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