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Toshiba RAS-24SA-ES User Manual

Toshiba RAS-24SA-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-24SA-ES Specifications

General IconGeneral
BrandToshiba
ModelRAS-24SA-ES
CategoryAir Conditioner
LanguageEnglish

Summary

7. OPERATION DESCRIPTION

7-1. Remote control

Explains functions, display, and button operations of the remote control unit.

7-2. Outline of Air Conditioner Control

Describes the roles of indoor and outdoor unit controllers in managing operations.

7-3. Description of Operation Circuit

Details circuit operations for Cooling, Dry, and Heating modes based on sensor inputs.

7-4. Description of Safety and Reliability Prevention Function

Covers low-temperature limit, high-temperature limit, and defrost operations for safety.

7-5. One-Touch Operation

Explains the fully automated operation that adjusts settings based on region preferences.

7-6. Hi POWER Operation

Describes the high-power mode for rapid cooling or heating by adjusting set temperature and fan speed.

7-7. QUIET Operation

Details the quiet mode, reducing indoor fan speed for low noise operation.

7-8. ECO Operation

Explains energy-saving mode that automatically adjusts temperature settings over time.

7-9. COMFORT SLEEP Operation

Describes a mode for comfortable sleep with automatic temperature adjustments and auto shut-down.

7-10. FILTER Check lamp

Explains the indicator for filter cleaning status and how to reset it.

7-11. Auto Restart Function

Details how the unit restarts with previous settings after a power outage.

7-12. Self-Cleaning Operation

Explains the operation to prevent mold and bacteria growth inside the unit by drying.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Provides critical safety warnings and precautions for installation personnel and users.

8-2. Installation Diagram of Indoor and Outdoor Units

Visual guide showing placement, clearances, and piping routes for unit installation.

8-3. Installation

Details optional installation parts, accessories, and outdoor unit fixing bolt arrangement.

8-4. Indoor Unit

Covers optimal placement, drilling, and mounting procedures for the indoor unit.

8-5. Outdoor Unit

Covers ideal installation locations and refrigerant piping connection procedures for the outdoor unit.

8-6. Test Operation

Covers gas leak testing, system test execution, and remote control settings post-installation.

9. TROUBLESHOOTING CHART

9-1. Troubleshooting Procedure

General steps for diagnosing and resolving operational issues.

9-2. Basic Check Items

Lists fundamental checks like power supply, cable connections, and normal program control.

9-3. Primary Judgement

Guides on initial diagnosis based on symptoms, self-diagnosis lamps, and detective operations.

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

Procedures for accessing and interpreting error codes via the remote control in service mode.

9-5. How To Diagnose Faulty Parts

Flowcharts for diagnosing specific faults like serial signal errors or 4-way valve issues.

9-6. Troubleshooting for Indoor unit

Guides for diagnosing specific issues with the indoor unit, such as power or fan motor problems.

9-7. Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)

Guides for diagnosing wiring issues between indoor and outdoor units.

9-8. Troubleshooting for P.C. Board

Guides for diagnosing issues related to the indoor unit's printed circuit board.

9-9. Troubleshooting for Remote Control

Guides for diagnosing issues with the remote control unit's functionality.

10. HOW TO REPLACE THE MAIN PARTS

10-1. Indoor Unit

Procedures for disassembling and replacing parts of the indoor unit, like the front panel and fan motor.

10-2. Outdoor Unit

Procedures for disassembling and replacing electrical components of the outdoor unit.

11. EXPLODED VIEWS AND PARTS LIST

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

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

11-2. Indoor Unit

Exploded view and parts list for the indoor unit's main body and components.

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

Exploded view and parts list for specific outdoor unit models.

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

Exploded view and parts list for specific outdoor unit models.

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