Toshiba RAS-10YKH-E - User Manual

SERVICE MANUAL
FILE NO. DAS-SM-00-003
AIR-CONDITIONER
SUPPLEMENT
SPLIT WALL TYPE
RAS-10YKH-E / RAS-10YAH-E
RAS-13YKH-E / RAS-13YAH-E
RAS-10YKH-ES / RAS-10YAH-ES
RAS-13YKH-ES / RAS-13YAH-ES

Summary

1. SPECIFICATIONS

INDOOR UNIT

Details specifications for Indoor Units.

OUTDOOR UNIT

Details specifications for Outdoor Units.

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

Illustrates the construction and dimensions of the indoor unit.

2-2. Outdoor Unit

Illustrates the construction and dimensions of the outdoor unit.

4. SPECIFICATIONS OF ELECTRICAL PARTS

4-1. Indoor Unit

Lists electrical components and their specifications for the indoor unit.

4-2. Outdoor Unit

Lists electrical components and their specifications for the outdoor unit.

5. REFRIGERANT CYCLE DIAGRAM

6. CONTROL BLOCK DIAGRAM

7. OPERATION DESCRIPTIONS

7-1. FAN ONLY Operation

Describes the operation mode when only the fan is active.

7-2. COOL Operation

Details the control logic and operation for cooling mode.

7-3. DRY Operation

Explains the functionality and control during dry mode operation.

7-4. HEAT Operation

Describes the operational procedures and controls for heating mode.

7-5. AUTO Operation

Details how the unit automatically selects modes based on room temperature.

7-6. ECONO. Mode

Explains the energy-saving mode and its operation.

7-7. Current Limit Control

Describes how the unit manages current to prevent overload.

7-8. High-Temperature Limit Control

Explains controls to prevent overheating in heating operation.

7-9. Low-Temperature Limit Control

Explains controls to prevent freezing in cooling operation.

7-10. Cool Airflow Prevention Control

Describes airflow control during heating to prevent cool drafts.

7-11. Defrost Operation

Details the process and conditions for defrosting the unit.

7-12. Auto Restart Function

Explains the automatic restart feature after power interruptions.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Outlines critical safety warnings and precautions for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Provides visual guidance for the physical installation process.

8-3. Installation

Covers installation procedures and optional parts.

8-4. Indoor Unit

Details installation steps specific to the indoor unit.

8-5. Outdoor Unit

Details installation procedures specific to the outdoor unit.

8-6. Others

Covers miscellaneous installation-related tasks like leak tests and operation checks.

9. TROUBLESHOOTING CHART

9-1. What to be Prechecked First

Basic checks to perform before detailed troubleshooting.

9-2. Primary Judgement of Trouble Sources

Methods for initial diagnosis of unit malfunctions.

9-3. Troubleshooting Flowcharts

9-3-1. Power can not be Turned on (No Operation at All)

Flowchart for diagnosing power-on issues.

9-3-2. Power can not be Turned on after Replacing Indoor P.C. Board

Troubleshooting specific to post-PC board replacement power issues.

9-3-3. Outdoor Unit does not Operate

Flowchart for troubleshooting outdoor unit operation failure.

9-3-4. Only Compressor does not Operate

Flowchart for diagnosing compressor-specific issues.

9-3-5. Only Outdoor Fan does not Operate

Flowchart for troubleshooting outdoor fan failure.

9-3-6. Only 4-Way Valve does not Operate (During Heating Operation)

Flowchart for diagnosing 4-way valve issues.

9-3-7. Only the Indoor Fan does not Operate

Flowchart for troubleshooting indoor fan failure.

10. PART REPLACEMENT

10-1. Indoor Unit

Procedures for replacing parts of the indoor unit.

11. EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit

Exploded view and parts list for the indoor unit.

11-2. Outdoor Unit

Exploded view and parts list for the outdoor unit.

Toshiba RAS-10YKH-E Specifications

General

Brand	Toshiba
Model	RAS-10YKH-E
Category	Air Conditioner
Language	English