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Toshiba RAS-18UKPX3 User Manual

Toshiba RAS-18UKPX3
88 pages
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FILE NO. SVM-04008-(1)
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-24UKHP-E3 / RAS-24UAH-E3
RAS-18UKHP-E3 / RAS-18UAH-E3
RAS-24UKP-E3 / RAS-24UA-E3
RAS-18UKP-E3 / RAS-18UA-E3
RAS-24UKP-AR3 / RAS-24UA-AR3
RAS-18UKP-AR3 / RAS-18UA-AR3
RAS-24UKPX3 / RAS-24UAX3
RAS-18UKPX3 / RAS-18UAX3
RAS-24UKPX3-T / RAS-24UAX3-T
RAS-18UKPX3-T2 / RAS-18UAX3-T2
18 Class
(Heat pump model)
24 Class18 Class
(Cooling only model)
June 2004

Table of Contents

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Toshiba RAS-18UKPX3 Specifications

General IconGeneral
Cooling Capacity5.0 kW
EER3.21
RefrigerantR32
Power Supply220-240V, 50Hz
Noise Level (Outdoor Unit)52 dB(A)
Outdoor Unit Weight30 kg
TypeSplit System

Summary

TOSHIBA Air Conditioner Specifications

24 Series Model Specifications

Technical specifications for 24 series outdoor and indoor units.

18 Series Model Specifications

Technical specifications for 18 series outdoor and indoor units.

Refrigerant and Capacity Notes

Details on refrigerant type, capacity conditions, and charging.

Construction Views and Dimensions

Indoor Unit Dimensions and Installation Points

Detailed dimensions and installation points for the indoor unit.

Outdoor Unit Dimensions (24/18 Series)

Dimensions for specific 24 and 18 series outdoor units.

Outdoor Unit Dimensions (RAS-18UAH-E3)

Installation dimensions for the RAS-18UAH-E3 outdoor unit.

Outdoor Unit Dimensions (RAS-18UA Series)

Installation dimensions for RAS-18UA-E3, RAS-18UAX3, RAS-18UA-AR3 models.

Wiring Diagrams

Wiring Diagram for 24UKHP/24UAH Models

Wiring schematic for specific 24 series indoor and outdoor units.

Wiring Diagram for 18UKHP/18UAH Models

Wiring schematic for specific 18 series indoor and outdoor units.

Wiring Diagram for 24UKP/24UA Series

Wiring schematics for various 24 series models.

Wiring Diagram for 18UKP/18UA Series

Wiring schematics for various 18 series models.

Wiring Diagram for 18UKP-AR3/18UA-AR3

Wiring schematic for specific 18 series models.

Wiring Diagram for 18UKPX3-T2/18UAX3-T2

Wiring schematic for specific 18 series models.

Specification of Electrical Parts

Indoor Unit Electrical Parts (24UKHP/18UKHP)

Electrical component specifications for specific indoor units.

Outdoor Unit Electrical Parts (RAS-24UAH-E3)

Electrical component specifications for the RAS-24UAH-E3 outdoor unit.

Outdoor Unit Electrical Parts (RAS-18UAH-E3)

Electrical component specifications for the RAS-18UAH-E3 outdoor unit.

Indoor Unit Electrical Parts (24UKP/18UKP Series)

Electrical component specifications for specific indoor units.

Outdoor Unit Electrical Parts (24UA Series)

Electrical component specifications for specific 24UA series outdoor units.

Outdoor Unit Electrical Parts (18UA Series)

Electrical component specifications for specific 18UA series outdoor units.

Refrigeration Cycle Diagrams

Refrigeration Cycle for 24UKHP/24UAH Models

Diagram and operating conditions for specific 24 series models.

Refrigeration Cycle for 18UKHP/18UAH Models

Diagram and operating conditions for specific 18 series models.

Refrigeration Cycle for 24UKP/24UA Models

Diagram and operating conditions for specific 24 series models.

Refrigeration Cycle for 24UKPX3/24UAX3 Series

Diagram and operating conditions for specific 24 series models.

Refrigeration Cycle for 18UKP/18UA Models

Diagram and operating conditions for specific 18 series models.

Refrigeration Cycle for 18UKPX3/18UAX3 Models

Diagram and operating conditions for specific 18 series models.

Refrigeration Cycle for 18UKP-AR3/18UA-AR3 Models

Diagram and operating conditions for specific 18 series models.

Refrigeration Cycle for 18UKPX3-T2/18UAX3-T2 Models

Diagram and operating conditions for specific 18 series models.

Control Block Diagrams

Control Block Diagram for 24UKHP/18UKHP Models

Control logic block diagram for specific indoor and outdoor units.

Control Block Diagram for 18UKP/18UA/24UKP/24UA Series

Control logic block diagram for various 18 and 24 series models.

Operation Description

Outline of Air Conditioner Control

Overview of indoor and outdoor unit control functions.

Louver and Indoor Fan Control

Description of vertical air flow louver and indoor DC fan motor control.

Operation Circuit Descriptions (Fan, Cooling, Dry)

Description of operation circuit for fan, cooling, and dry modes.

Operation Circuit Descriptions (Heating)

Description of operation circuit for heating mode.

Automatic and Temporary Auto Operation

Explanation of automatic and temporary auto operation modes.

Hi POWER, Limit Controls, and Defrost Operation

Details on Hi POWER mode, limit controls, and defrost operation.

Auto Restart and Filter Check Functions

Setup and cancellation of auto restart and filter check functions.

Self-Cleaning Function

Description, cancellation, and setting of the self-cleaning function.

Installation Procedure

Safety Cautions for Installation

Critical safety warnings and precautions before installation.

Power Supplier Reporting Requirements

Requirements for reporting installation to the local power supplier.

Installation Diagram of Units

Visual guide for installing indoor and outdoor units.

Optional and Accessory Installation Parts

Lists optional parts and accessories for installation.

Indoor Unit Installation Place and Hole Cutting

Guidelines for selecting the indoor unit location and cutting wall holes.

Indoor Unit Electrical Work and Mounting

Instructions for electrical wiring and securely mounting the indoor unit.

Indoor Unit Wiring Connection

Step-by-step guide for connecting indoor unit wiring.

Indoor Unit Piping and Drain Hose Installation

Procedures for connecting refrigerant pipes and drain hoses.

Indoor Unit Fixing and Drainage

Steps for securing the indoor unit and ensuring proper drainage.

Outdoor Unit Installation Place and Piping Connection

Guidelines for outdoor unit location and refrigerant piping.

Outdoor Unit Evacuating Procedure

Steps for evacuating refrigerant pipes using a vacuum pump.

Outdoor Unit Wiring Connection and Refrigerant Charge

Connecting outdoor unit wiring and charging refrigerant.

Remote Control Selector Switch Setup

How to set the remote control selector switch for multi-unit systems.

Gas Leak Test, Test Operation, Auto Restart

Procedures for gas leak testing, test operation, and auto restart setup.

Troubleshooting Chart

Basic Check Items

Initial checks for power, connections, and program control.

Primary Judgement and Failure Diagnosis

Basic troubleshooting steps and lamp-based self-diagnosis.

Remote Control Self-Diagnosis (Check Code)

Using the remote control for detailed error code diagnosis.

Sensor Error Troubleshooting

Diagnosis flowcharts for indoor and outdoor sensor errors.

Indoor Unit Power and Fan Motor Troubleshooting

Troubleshooting steps for power issues and indoor fan motor failures.

Compressor and Heating Mode Troubleshooting

Troubleshooting for compressor operation and heating mode issues.

Wiring and Outdoor Unit Operation Troubleshooting

Troubleshooting for wiring issues and outdoor unit stopping.

P.C. Board and Timer Troubleshooting

Procedures for checking the P.C. board and timer functions.

Remote Control Troubleshooting

Step-by-step guide to diagnose and fix remote control issues.

Part Replacement Procedures

Indoor Unit Part Replacement

Steps for replacing front panel and electrical parts in the indoor unit.

Outdoor Unit Part Replacement (24UA/24UAH Series)

Procedures for replacing components in 24 series outdoor units.

Outdoor Unit Part Replacement (RAS-18UAH-E3)

Procedures for replacing components in the RAS-18UAH-E3 outdoor unit.

Outdoor Unit Part Replacement (RAS-18UA Series)

Procedures for replacing components in 18UA series outdoor units.

Outdoor Unit Part Replacement (RAS-18UAX3-T2)

Procedures for replacing components in the RAS-18UAX3-T2 outdoor unit.

Exploded Views and Parts List

Indoor Unit (E-Parts Assy) Exploded View

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

Indoor Unit Exploded View and Parts List

Exploded view and parts list for the indoor unit components.

Outdoor Unit (RAS-24UAH-E3) Exploded View

Exploded view and parts list for the RAS-24UAH-E3 outdoor unit.

Outdoor Unit (RAS-18UAH-E3) Exploded View

Exploded view and parts list for the RAS-18UAH-E3 outdoor unit.

Outdoor Unit (RAS-24UA Series) Exploded View

Exploded view and parts list for the RAS-24UA series outdoor units.

Outdoor Unit (RAS-24UA-AR3) Exploded View

Exploded view and parts list for the RAS-24UA-AR3 outdoor unit.

Outdoor Unit (RAS-18UAX3-T2) Exploded View

Exploded view and parts list for the RAS-18UAX3-T2 outdoor unit.

Outdoor Unit (RAS-18UA Series) Exploded View

Exploded view and parts list for the RAS-18UA series outdoor units.

Outdoor Unit (RAS-18UA-AR3) Exploded View

Exploded view and parts list for the RAS-18UA-AR3 outdoor unit.

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