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Toshiba RAS-13YAH-E - User Manual

Toshiba RAS-13YAH-E
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-13YAH-E Specifications

General IconGeneral
BrandToshiba
ModelRAS-13YAH-E
CategoryAir Conditioner
LanguageEnglish

Summary

SPECIFICATIONS

Indoor Unit Specifications

Technical specifications for the indoor unit components, dimensions, and performance.

Outdoor Unit Specifications

Technical specifications for the outdoor unit components, dimensions, and performance.

CONSTRUCTION VIEWS

2-1. Indoor Unit Construction

Detailed diagrams of the indoor unit, showing dimensions and component placement.

2-2. Outdoor Unit Construction

Detailed diagrams of the outdoor unit, showing dimensions and component placement.

WIRING DIAGRAM

Electrical Wiring Schematics

Electrical schematic illustrating connections within the air conditioner system.

SPECIFICATIONS OF ELECTRICAL PARTS

4-1. Indoor Unit Electrical Parts

List and specifications of electrical parts used in the indoor unit.

4-2. Outdoor Unit Electrical Parts

List and specifications of electrical parts used in the outdoor unit.

REFRIGERANT CYCLE DIAGRAM

Refrigerant Flow Diagram

Diagram illustrating the flow and states of refrigerant during operation.

CONTROL BLOCK DIAGRAM

Control System Block Diagram

Diagram showing the functional blocks and signal flow within the control system.

OPERATION DESCRIPTIONS

7-1. FAN ONLY Operation

Details on how the unit operates in fan-only mode, including fan speed settings.

7-2. COOL Operation

Details on how the unit operates in cooling mode, including compressor and fan control.

7-2-1, 7-3, 7-4 Operations

Descriptions of Louver control, DRY operation, and HEAT operation modes.

7-4-1, 7-4-2, 7-5, 7-5-1 Operations

Details on Louver control, airflow, AUTO, and Temporary AUTO operations.

7-6, 7-7 Operations

Explanations of ECONO. Mode and Current Limit Control functions.

7-8, 7-9, 7-10 Operations

Descriptions of High/Low Temp Limit and Cool Airflow Prevention Controls.

7-11. Defrost Operation

How the unit melts ice on the outdoor heat exchanger during heating.

7-12. Auto Restart Function

How the unit automatically restarts after a power interruption.

7-12-2. How to Cancel the Auto Restart

Procedure to cancel the automatic restart function.

INSTALLATION PROCEDURE

8-1. Safety Cautions

Critical safety warnings and precautions to be followed during installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Diagrams showing the placement and connection of indoor and outdoor units.

8-3. Installation Overview and Parts

General installation guidelines, optional parts, and included installation parts.

8-4. Indoor Unit Installation

Guidelines and procedures for installing the indoor unit.

8-4-1. Cutting a Hole and Mounting Installation Plate

Steps for cutting wall openings and mounting the indoor unit installation plate.

8-4-2. Electrical Work

Procedures for safely connecting the unit to the electrical power supply.

8-4-3. Wiring Connection

Step-by-step guide for connecting indoor and outdoor unit wiring.

8-4-4. Piping and Drain Hose Installation

Procedures for installing refrigerant piping and the drain hose.

8-4-5. Indoor Unit Mounting

Steps for physically mounting the indoor unit onto the installation plate.

8-4-6. Drainage

Guidelines for setting up the drain hose and ensuring proper water drainage.

8-5. Outdoor Unit Installation

Guidelines and procedures for installing the outdoor unit.

8-5-1. Required Tools for Installation Work

List of essential tools required for the installation process.

8-5-2. Refrigerant Piping Connection

Instructions for flaring and connecting refrigerant pipes securely.

8-5-3. Vacuum Pumping

Procedure for vacuum pumping the refrigerant lines to remove air and moisture.

8-5-4. Wiring Connection

Instructions for connecting the wiring to the outdoor unit.

8-6. Other Installation Procedures

Additional checks and procedures related to installation.

8-6-1. Gas Leak Test

Method for checking refrigerant connections for leaks using a detector or soap water.

TROUBLESHOOTING CHART

9-1. What to be Prechecked First

Basic checks for power, connections, and operational status before diagnosing issues.

9-1-1. Power Supply Voltage

Verification of the correct AC voltage for the air conditioner.

9-1-2. Incorrect Cable Connection between Indoor and Outdoor Units

Ensuring proper wiring connections between the indoor and outdoor units.

9-1-3. Misleading but Good Operations (Program Controlled Operation)

Explaining normal operations that might be mistaken for faults.

9-2. Primary Judgement of Trouble Sources

Methods for identifying the source of air conditioner malfunctions.

9-2-1. Role of Indoor Unit Controller

Description of the indoor unit controller's functions in managing the system.

9-2-2. Display of Abnormalities and Judgement of the Abnormal Spots

How to interpret self-diagnosis codes displayed on the indoor unit.

Self-diagnosis with Remote Control

Procedure to activate and interpret self-diagnosis via the remote control.

9-3. Troubleshooting Flowcharts

Flowcharts to guide troubleshooting for specific operational failures.

9-3-1. Power Failure Troubleshooting

Steps to diagnose and resolve issues where the unit does not turn on.

9-3-2. Post-PC Board Replacement Power Issues

Checks for power issues after replacing the indoor P.C. board.

9-3-3. Outdoor Unit Operation Failure

Steps to diagnose why the outdoor unit is not operating.

9-3-4. Compressor Operation Failure

Steps to diagnose compressor-specific operational failures.

9-3-5. Outdoor Fan Operation Failure

Steps to diagnose outdoor fan motor failures.

9-3-6. 4-Way Valve Operation Failure

Diagnosing failures of the 4-way valve during heating operation.

9-3-7. Indoor Fan Operation Failure

Steps to diagnose failures of the indoor fan motor.

9-4. Remote Control and P.C. Board Checks

Procedures to test the remote control and the indoor P.C. board for functionality.

9-4-1. P.C. Board Inspection

Guidelines for inspecting the P.C. board for defects and understanding its components.

9-4-2. P.C. Board Layout

Diagram showing the component layout on the P.C. board.

9-4-3. Anti-Restart Timer Adjustment

Procedure to modify the anti-restart timer operation time.

PART REPLACEMENT

10-1. Indoor Unit Part Replacement

Step-by-step instructions for disassembling and replacing parts of the indoor unit.

10-2. Microcomputer Replacement

Procedure for replacing the microcomputer and related components.

10-3. Outdoor Unit Part Replacement

Step-by-step instructions for disassembling and replacing parts of the outdoor unit.

EXPLODED VIEWS AND PARTS LIST

11-1. Indoor Unit Exploded Views

Exploded diagrams showing indoor unit components with part numbers.

11-2. Outdoor Unit Exploded Views

Exploded diagrams showing outdoor unit components with part numbers.

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