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Toshiba RAS-18SKPX-V User Manual

Toshiba RAS-18SKPX-V
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-18SKPX-V Specifications

General IconGeneral
Cooling Capacity5.0 kW
Power Source220-240V, 50Hz
RefrigerantR32
Coefficient of Performance (COP)3.61
TypeSplit System
Power Supply220-240 V, 50 Hz

Summary

Specifications

Construction Views

Indoor Unit

Detailed construction drawings and dimensions of the indoor unit.

Outdoor Unit (18 Class)

Construction views and dimensions for the 18 Class outdoor unit.

Outdoor Unit (24 Class)

Construction views and dimensions for the 24 Class outdoor unit.

Wiring Diagram

RAS-18SKPX / RAS-18S2AX, RAS-18SKPX-V / RAS-18S2AX-V, RAS-18SKP-E / RAS-18S2A-E

Wiring diagram for specific TOSHIBA air conditioner models (18 Class).

RAS-24SKPX / RAS-24S2AX, RAS-24SKP-E / RAS-24S2A-E

Wiring diagram for specific TOSHIBA air conditioner models (24 Class).

Specification of Electrical Parts

Indoor Unit (RAS-18SKPX, RAS-18SKPX-V, RAS-18SKP-E)

List of electrical parts and specifications for 18 Class indoor units.

Outdoor Unit (RAS-18S2AX, RAS-18S2AX-V, RAS-18S2A-E)

List of electrical parts and specifications for 18 Class outdoor units.

Indoor (RAS-24SKPX, RAS-24SKP-E)

List of electrical parts and specifications for 24 Class indoor units.

Outdoor Unit (RAS-24S2AX, RAS-S2A-E)

List of electrical parts and specifications for 24 Class outdoor units.

Refrigeration Cycle Diagram

RAS-18SKPX / RAS-18S2AX, RAS-18SKPX-V / RAS-18S2AX-V, RAS-18SKP-E / RAS-18S2A-E

Refrigeration cycle diagram for 18 Class TOSHIBA air conditioners.

RAS-24SKPX / RAS-24S2AX, RAS-24SKP-E / RAS-24S2A-E

Refrigeration cycle diagram for 24 Class TOSHIBA air conditioners.

Control Block Diagram

Operation Description

Remote Control

Explanation of the remote control functions and buttons for operating the air conditioner.

Outline of Air Conditioner Control

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

Description of Operation Mode

Detailed explanation of different operation modes like Cooling, Dry, Fan Only, and Auto.

Description of Safety and Reliability Prevention Function

Information on safety features and functions preventing operational issues like freezing.

One-Touch Operation

Description of the One-Touch Comfort mode for automated operation based on preferences.

Hi POWER Operation

Details on the Hi POWER mode for rapid cooling or heating performance.

QUIET Operation

Explanation of the QUIET mode for reduced noise operation of the indoor fan.

ECO Operation

Information on the ECO mode for energy-saving operation by adjusting temperature settings.

COMFORT SLEEP Operation

Description of the COMFORT SLEEP mode for optimized comfort and automatic shutdown.

FILTER Check lamp

Explanation of the FILTER check lamp and how to reset it after cleaning.

Auto Restart Function

Details on setting and canceling the auto restart function after power interruptions.

Self-Cleaning Operation

Explanation of the self-cleaning function to maintain indoor unit cleanliness.

Installation Procedure

Safety Cautions

Critical safety warnings and precautions for installing the air conditioner unit.

Installation Diagram of Indoor and Outdoor Units

Visual guide showing the placement and connections for indoor and outdoor units during installation.

Installation

Covers optional parts, accessory parts, and general installation steps.

Indoor Unit

Guidelines for indoor unit installation: place, drilling, electrical, wiring, and piping.

Outdoor Unit

Guidelines for outdoor unit installation: place, piping, evacuation, and wiring.

Troubleshooting Chart

Troubleshooting Procedure

General steps to follow for troubleshooting air conditioner operational issues.

Basic Check Items

Essential preliminary checks for diagnosing common air conditioner problems.

Primary Judgement

Initial diagnosis of air conditioner faults based on lamp indicators and symptoms.

Self-Diagnosis by Remote Controller (Check Code)

Using the remote controller to access and interpret diagnostic check codes for fault finding.

Troubleshooting for Indoor unit

Specific troubleshooting steps for issues related to the indoor unit's operation.

Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)

Diagnosing problems related to wiring connections between indoor and outdoor units.

Troubleshooting for P.C. board

Procedures for checking and diagnosing issues with the air conditioner's printed circuit boards.

Troubleshooting for Remote Control

Steps to diagnose and resolve problems with the air conditioner's remote control.

How to Replace the Main Parts

Indoor Unit

Step-by-step guide for replacing main parts of the indoor unit.

Outdoor Unit (RAS-18S2AX, RAS-18S2AX-V, RAS-18S2A-E)

Procedure for replacing parts in the 18 Class outdoor unit of the air conditioner.

Outdoor Unit (RAS-24S2AX, RAS-24S2A-E)

Procedure for replacing parts in the 24 Class outdoor unit of the air conditioner.

Exploded Views and Parts List

Indoor Unit (E-Parts Assy)

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

Indoor Unit

Exploded view and parts list for the indoor unit assembly, including main components.

Outdoor Unit (RAS-18S2AX, RAS-18S2AX-V, RAS-18S2A-E)

Exploded view and parts list for the 18 Class outdoor unit, detailing all components.

Outdoor Unit (RAS-24S2AX, RAS-24S2A-E)

Exploded view and parts list for the 24 Class outdoor unit, detailing all components.

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