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Toshiba RAS-10YKH-ES User Manual

Toshiba RAS-10YKH-ES
67 pages
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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

Table of Contents

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Toshiba RAS-10YKH-ES Specifications

General IconGeneral
TypeSplit System
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Power Supply220-240V, 50Hz
RefrigerantR32
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Indoor Unit Dimensions (HxWxD)293x798x230 mm
Indoor Unit Weight9 kg

Summary

1. SPECIFICATIONS

Specifications

Detailed specifications for various models including capacity, power, and dimensions.

2. CONSTRUCTION VIEWS

Indoor Unit Construction Views

Diagrams and dimensions of the indoor unit for installation and reference.

Outdoor Unit Construction Views

Diagrams and dimensions of the outdoor unit for installation and reference.

3. WIRING DIAGRAM

Wiring Diagram

Electrical wiring schematics for the air conditioning unit.

4. SPECIFICATIONS OF ELECTRICAL PARTS

Indoor Unit Electrical Parts Specifications

Specifications for electrical components of the indoor unit.

Outdoor Unit Electrical Parts Specifications

Specifications for electrical components of the outdoor unit.

5. REFRIGERANT CYCLE DIAGRAM

Refrigerant Cycle Diagram (RAS-10YKH-E/RAS-10YAH-E)

Diagram illustrating the refrigerant flow for specific models.

Refrigerant Cycle Diagram (RAS-13YKH-E/RAS-13YAH-E)

Diagram illustrating the refrigerant flow for specific models.

Refrigerant Cycle Diagram (RAS-10YKH-ES/RAS-10YAH-ES)

Diagram illustrating the refrigerant flow for specific models.

Refrigerant Cycle Diagram (RAS-13YKH-ES/RAS-13YAH-ES)

Diagram illustrating the refrigerant flow for specific models.

6. CONTROL BLOCK DIAGRAM

Control Block Diagram

Block diagram showing system control logic and components.

7. OPERATION DESCRIPTIONS

FAN ONLY Operation

Description of the FAN ONLY operating mode.

COOL Operation

Description of the COOL operating mode.

Louver Control (COOL)

How to control the louver position during cooling.

DRY Operation

Description of the DRY operating mode.

HEAT Operation

Description of the HEAT operating mode.

Louver Control (HEAT)

How to control the louver position during heating.

Cool Airflow Control

Controls airflow to prevent cool air blow during heating.

AUTO Operation

Description of the AUTO operating mode.

Temporary Auto

How to use the Temporary Auto function.

ECONO. Mode

Description of the ECONO. mode.

Current Limit Control

Control to prevent overcurrent.

High-Temperature Limit Control (Heating)

Prevents overheating during heating operation.

Low-Temperature Limit Control (Cooling)

Prevents freezing during cooling operation.

Cool Airflow Prevention Control (Heating)

Controls airflow to prevent cool air blow during heating.

Defrost Operation

Operation to melt ice on outdoor unit during heating.

How to Set the Auto Restart

Procedure to enable the Auto Restart function.

How to Cancel the Auto Restart

Procedure to disable the Auto Restart function.

In Case of Power Failure during the Timer Operation

Behavior during timer operations with power failure.

8. INSTALLATION PROCEDURE

Safety Cautions

Safety precautions for installation.

Installation Diagram of Indoor and Outdoor Units

Diagrams illustrating indoor and outdoor unit installation.

Installation Parts

List of optional and included parts for installation.

Cutting a Hole and Mounting Installation Plate

Procedures for cutting wall holes and mounting the installation plate.

Electrical Work

Procedures for electrical connections and power supply.

Wiring Connection

Detailed steps for connecting wiring.

Piping and Drain Hose Installation

Instructions for installing refrigerant pipes and drain hoses.

Indoor Unit Installation

Detailed steps for physically mounting the indoor unit.

Drainage

Instructions for proper drainage setup.

Outdoor Unit Installation Place

Guidelines for selecting an outdoor unit installation location.

Required Tools for Installation Work

List of necessary tools for installation.

Refrigerant Piping Connection

Procedures for connecting refrigerant pipes.

Vacuum Pumping

Procedure for vacuum pumping the refrigerant system.

Wiring Connection

Connecting the outdoor unit wiring.

Gas Leak Test

How to perform a gas leak test.

Test Operation

Procedure for performing a test operation.

Auto Restart Setting

Information on setting the Auto Restart function.

9. TROUBLESHOOTING CHART

What to be Prechecked First

Initial checks before troubleshooting.

Power Supply Voltage

Checking the power supply voltage.

Incorrect Cable Connection between Indoor and Outdoor Units

Checking indoor/outdoor unit cable connections.

Misleading but Good Operations (Program Controlled Operation)

Understanding normal operation as per programming.

Primary Judgement of Trouble Sources

Initial diagnosis of potential issues.

Self-diagnosis with remote control

Performing self-diagnosis using the remote control.

Troubleshooting Flowcharts

Flowcharts for diagnosing problems.

Power can not be Turned on (No Operation at All)

Troubleshooting flowchart for no power.

Power can not be Turned on after Replacing Indoor P.C. Board

Troubleshooting after P.C. board replacement.

Outdoor Unit does not Operate

Troubleshooting flowchart for outdoor unit not operating.

Only Compressor does not Operate

Troubleshooting flowchart for compressor not operating.

Only Outdoor Fan does not Operate

Troubleshooting flowchart for outdoor fan not operating.

Only the Indoor Fan does not Operate

Troubleshooting flowchart for indoor fan not operating.

How to Check the Remote Control (Including the Indoor P.C. Board)

Procedure to check remote control and indoor P.C. board.

How to Check the P.C. Board

Precautions and procedures for checking the P.C. board.

P.C. Board Layout

Layout diagrams of the P.C. board.

How to Reduce the Operation Time of the Anti-Restart Timer

Adjusting the anti-restart timer operation time.

10. PART REPLACEMENT

Indoor Unit Part Replacement

Procedures for replacing indoor unit parts.

Microcomputer Part Replacement

Replacement of the microcomputer and thermal fuse.

Outdoor Unit Part Replacement

Procedures for replacing outdoor unit parts.

11. EXPLODED VIEWS AND PARTS LIST

Indoor Unit (1) Exploded View and Parts List

Exploded view and parts list for indoor unit components.

Indoor Unit (2) Exploded View and Parts List

Exploded view and parts list for indoor unit components.

Outdoor Unit Exploded View and Parts List

Exploded view and parts list for outdoor unit components.

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