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Toshiba RAS-18S2AH-ES User Manual

Toshiba RAS-18S2AH-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-18S2AH-ES Specifications

General IconGeneral
TypeSplit System
Cooling Capacity5.0 kW
Heating Capacity5.6 kW
RefrigerantR410A
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Outdoor Unit Dimensions (W x H x D)780 x 290 x 290 mm
Noise Level (Outdoor)50 dB(A)

Summary

TOSHIBA SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE

1. SPECIFICATIONS

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

Detailed diagrams and dimensions of the indoor unit components.

2-2. Outdoor Unit

Detailed diagrams and dimensions of the outdoor unit components.

3. WIRING DIAGRAM

3-1. RAS-18SKP-ES / RAS-18SA-ES, RAS-24SKP-ES / RAS-24SA-ES

Wiring schematic for specific air conditioner models.

3-2. RAS-18SKHP-ES / RAS-18S2AH-ES, RAS-24SKHP-ES / RAS-24S2AH-ES

Wiring schematic for other air conditioner models.

4. SPECIFICATION OF ELECTRICAL PARTS

4-1. Indoor Unit (RAS-18SKP-ES, RAS-24SKP-ES)

Electrical component specifications for indoor units.

4-2. Outdoor Unit (RAS-18SA-ES)

Electrical component specifications for outdoor unit.

4-3. Outdoor Unit (RAS-24SA-ES)

Electrical component specifications for outdoor unit.

4-4. Indoor Unit (RAS-18SKHP-ES, RAS-24SKHP-ES)

Electrical component specifications for indoor units.

4-5. Outdoor Unit (RAS-18S2AH-ES)

Electrical component specifications for outdoor unit.

4-6. Outdoor Unit (RAS-24S2AH-ES)

Electrical component specifications for outdoor unit.

5. REFRIGERATION CYCLE DIAGRAM

5-1. RAS-18SKP-ES / RAS-18SA-ES

Refrigeration cycle diagram for specific models.

5-2. RAS-24SKP-ES / RAS-24SA-ES

Refrigeration cycle diagram for specific models.

5-3. RAS-18SKHP-ES / RAS-18S2AH-ES

Refrigeration cycle diagram for specific models.

5-4. RAS-24SKHP-ES / RAS-24S2AH-ES

Refrigeration cycle diagram for specific models.

6. CONTROL BLOCK DIAGRAM

6-1 RAS-18SKP-ES / RAS-18SA-ES, RAS-24SKP-ES / RAS-24SA-ES

Control block diagram for specific models.

6-2 RAS-18SKHP-ES / RAS-18S2AH-ES, RAS-24SKHP-ES / RAS-24S2AH-ES

Control block diagram for other specific models.

7. OPERATION DESCRIPTION

7-1. Remote control

Details on remote control functions and buttons.

7-1-2. Display of Remote Control

Explanation of remote control display indicators.

7-2. Outline of Air Conditioner Control

General overview of air conditioner control system.

7-3. Description of Operation Mode

Explanation of different operation modes.

7-4. Safety and Reliability Prevention Function

Overview of safety and reliability functions.

7-5. One-Touch Operation

Details on one-touch comfort operation.

7-6. Hi POWER Operation

Details on Hi POWER operation.

7-7. QUIET Operation

Details on QUIET operation.

7-8. ECO Operation

Details on ECO operation.

7-9. COMFORT SLEEP Operation

Details on COMFORT SLEEP operation.

7-10. FILTER Check lamp

Information about the filter check indicator.

7-11. Auto Restart Function

Functionality and setup of auto restart.

7-12. Self-Cleaning Operation

Details on self-cleaning operation.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Important safety precautions for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Visual guide for installing indoor and outdoor units.

8-3. Installation

General installation steps and parts.

3-3-3. Installation/Servicing Tools

Tools required for installation and servicing.

8-4. Indoor Unit

Procedures for installing the indoor unit.

8-5. Outdoor Unit

Procedures for installing the outdoor unit.

8-6. Test Operation

Procedures for performing test operation after installation.

9. TROUBLESHOOTING CHART

9-1. Troubleshooting Procedure

General steps for troubleshooting.

9-2. Basic Check Items

Fundamental checks before troubleshooting.

9-3. Primary Judgement

Initial diagnosis based on symptoms.

9-4. Self-Diagnosis by Remote Controller (Check Code)

Using the remote control for self-diagnosis.

9-5. How To Diagnose Faulty Parts

Flowcharts for diagnosing faulty components.

9-6. Troubleshooting for Indoor unit

Specific troubleshooting steps for the indoor unit.

9-8. Troubleshooting for P.C. board

Steps to check and troubleshoot the P.C. board.

9-9. Troubleshooting for Remote Control

Steps to troubleshoot the remote control.

10. HOW TO REPLACE THE MAIN PARTS

10-1. Indoor Unit

Procedures for replacing parts in the indoor unit.

10-2. Outdoor Unit

Procedures for replacing parts in the outdoor unit.

11. EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit (E-Parts Assy)

Exploded view and parts list for indoor unit assembly.

11-2. Indoor Unit

Exploded view and parts list for indoor unit components.

11-3. Outdoor Unit (RAS-18SA-ES, RAS-24SA-ES)

Exploded view and parts list for outdoor unit.

11-4. Outdoor Unit (RAS-18S2AH-ES, RAS-24S2AH-ES)

Exploded view and parts list for outdoor unit.

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